2. Member
  3. COJOCARU, Ludmila

Profile

COJOCARU, Ludmila

ludmila.cojocaru(at)es.hokudai.ac.jp

Room: (N20W10, Sapporo) Research Institute for Electronic Science, 3rd Floor, Room 03-108-1
TEL : +81-11-706-9430
keywords: Solar cells
orcid0000-0002-3618-4142

Biography

ORIGINAL PAPERS

  1. Cojocaru L.,* Jena A. K., Yamamiya M., Numata Y., Ikegami M., Miyasaka T.* Surface cleaning and trap passivation of solution-crystallized AgBiS2 thin film for improved solar cell performance. ACS Applied Energy Materials, 2026 (accepted)
  2. Richards C.,* Ervens B., Parmesan C., Amato P., …..Cojocaru L., et al., Multidisciplinary science funding is more than ever a planetary priority: reflections from the Make Our Planet Great Again (MOPGA) program. PLOS Climate, 5(3), e0000849, 2026.
  3. Kamali A. K.,* Glogic E., Keppetipola N. M., Sonnemann G., Toupance T., Cojocaru L. Correction to “Prospective life cycle assessment of two supercapacitor architectures.” ACS Sustainable Chemistry and Engineering, 13, 21890-21891, 2025.
  4. Zhang W.,* Cojocaru, L., Tamegai, H., Uchida, S., Nakazaki, J., Bessho T., Liu, X. Segawa H.* NiOx nanoparticles as p-dopants for instant oxidation of spiro-OMeTAD enabling high-performance and stable FAPbI3 based perovskite solar cells. ACS Nano, 146, 111499, 2025.
  5. Almosni S.,* Awai F., Jena A. K., Cojocaru L., Kan R., Tuy L. V., Tada K., Nonomura K., Nakazaki J., Uchida S., Segawa H.* Perovskite solar cells made by self-quenching method using a volatile perovskite ink with safer alternatives to 2-methoxyethanol. ACS Energy Letter, 7, 24, 11678, 2024.
  6. Zhang W.,* Bessho T., Cojocaru L., Nakazaki, J. Uchida, S. Wang, H. Liu, X. Furue, M. Segawa H.* FAPbI3-nanoparticles with ligands act synergistically in absorbent layers for high-performance and stable FAPbI3 based perovskite solar cells. ACS Nano, 133, 110476, 2025.
  7. Lee D.,* Keppetipola N., Kim D. H., Roh J. W., Cojocaru L., Toupance T., Kim J.,* Design of high-performance binary carbonate/hydroxide transition Ni-based supercapacitors for photo-storage system. Energy, 313, 133593, 2024.
  8. Dissanayake S. M. B., Wimalasena I. G. K. J, Karunarathne B., Medagedara A. D. T., Keppetipola N. M., Cojocaru L., Uchida S., Rajapakse R. M. G., Tennakone K., Yoshimura M., Kumara G. R. A.* Effect of Triton X-100 surfactant concentration on the wettability of polyethylene-based separators used in supercapacitors.  Journal of Science: Advanced Materials and Devices, 100801, 2024.
  9. Cojocaru L.,* Jena A. K., Yamamiya M., Numata Y., Ikegami M., Miyasaka T.* Solution-crystalized AgBiS2 films for solar cells generating a photo-current density over 31 mA cm-2. Advanced Science, 2406998,  2024. https://doi.org/10.1002/advs.202406998
  10. Kamali K.,* Keppetipola N. M., Yoshihara Y., Jena A. K., Uchida S., Segawa H., Sonnemann G., Toupance T., Cojocaru L.* Validating the “Greenness” of Chemicals via Life Cycle Assessment: The Case of Anisole as an Anti-solvent in Perovskite Solar Cells, RSC Sustainability, 2, 3036-3046, 2024.
  11. Lee D.,* Kim D. H., Roh J. W., Keppetipola N., Toupance T., Cojocaru L.,* Kim J.,* Core-shell carbon@Ni2(CO3)(OH)2 particles as advanced cathode materials for hybrid supercapacitor: The key role of carbon for enhanced electrochemical properties. Journal of Energy Storage, 97, B, 112944, 2024.
  12. Lee D.,* Keppetipola N., H., Roh J. W., Kim D. Cojocaru L., Kim J.,* Toupance T.,* Electrochemical characteristics of flexible open-cell supercapacitors employing different electrolyte types: KOH and Ionic liquid. Electrochemical Acta, 497, 2024, 144513.
  13. Kamali A. K.,* Glogic E., Keppetipola N. M., Sonnemann G., Toupance T., Cojocaru L.* Prospective life cycle assessment of two supercapacitor architectures. ACS Sustainable Chemistry and Engineering, 11,15898-15909, 2023.
  14. Glogic E.,* Kamali K., Keppetipola N. M., Alonge B., Kumara G. R. Asoka, Sonnemann G., Toupance T., Cojocaru L.* Life cycle assessment of supercapacitor electrodes based on activated carbon from coconut shells. ACS Sustainable Chemistry and Engineering, 10(46), 15025-15034,  2022.
  15. Keppetipola N. M.,* Tada K., Olivier C., Hirsch L., Bessho T., Uchida S., Segawa H., Toupance T., Cojocaru L.* Comparative performance analysis of photo-supercapacitors based on silicon, dye-sensitized and perovskite solar cells: Towards indoor applications. Solar Energy and Solar Cells, 247, 2022, 111966.
  16. Keppetipola N. M., Dissanayake M., Dissanayake P., Karunarathne B., Dourge M., Talaga D., Servant L., Olivier C., Toupance T., Uchida S., Tennakone K., Kumara G. R. A., Cojocaru L.* Graphite-type Activated Carbon from Coconut Shell: a Natural Source for Eco-friendly Non-volatile Storage Devices. RSC Advances, 11(5), 2854-2865, 2021.
  17. Schulze P. S. C.,* Wienands K., Bett A. J., Rafizadeh S., Mundt L. E., Cojocaru L., Hermle M., Glunz S. W., Hillebrecht H., Goldschmidt J. C.* Perovskite Hybrid Evaporation/Spin coating Method: From Band Gap Tunning to Thin Film Deposition on Textures. Thin Solid Films, 704, 137970, 2020.
  18. Iwashita M., Yamanaka S., Tsuruta R., Tomani K., Youshida K., Hayakawa K., Cojocaru L., Uchida S., Mase K., Nakayama Y.* Electronic Structure of the Clean Interface between Single Crystal CH3NH3PbI3 and an Organic Hole Transport Material Spiro-OMeTAD. Applied Physics Letters, 116, 223902, 2020.
  19. Bett A. J.,* Winkler K. M., Bivour M., Cojocaru L., Kabakli Ö., Schulze P. S. C., Tutsch L., Hermle M., Glunz S. W., Goldschmidt J. C.* Semi-Transparent Perovskite Solar Cells with ITO Directly Sputtered on Spiro-OMeTAD for Tandem Applications. ACS Applied Materials and Interfaces, 11 (49), 45796-45804, 2019.
  20. Suwa K.,* Cojocaru L.,* Wienands K., Hofmann C., Schulze P. S. C., Bett A. J., Winkler K., Goldschmidt J. C., Glunz S. W., Nishide H.* Vapor-Phase Formation of a Hole-Transporting Thiophene Polymer Layer for Evaporated Perovskite Solar Cells. ACS Applied Materials and Interfaces, 12, 6496-6502, 2020.
  21. Geffroy C.,* Grana E., Mumtaz M., Cojocaru L., Cloutet E., Olivier C., Uchida S., Toupance T., Segawa H., Hadziioannou G.* Post-functionalization of Polyvinylcarbazoles: an Open Route Towards Hole Transporting Materials for Perovskite Solar Cells. Solar Energy, 193, 878-884,
  22. Bett A. J., Schulze P. S. C., Winkler K. M., Kabakli Ö., Ketterer I., Mundt L. E., Kasimir Reichmuth , Siefer G., Cojocaru L., Tutsch L., Bivour M., Hermle M., Glunz S. W., Goldschmidt J. C. Two-Terminal Perovskite Silicon Tandem Solar Cells with a High-Bandgap Perovskite Absorber Enabling Voltages over 1.8 V. Progress in Photovoltaics: Research and Applications, 28, 99-110, 2020.
  23. Cojocaru L.,* Wienands K., Erdil U., Schulze S. C., Mundt L. E., Bett A. J., Breitwieser M., Lombeck F., Prescher M., Kirste L., Vierrath S., Goldschmidt J. C, Glunz S. W. Hybrid Evaporation/Spray-coating Process for a Simplified and Controllable Production of Perovskite Solar Cells. IEEE Photovoltaic Journal, 1-11, 2019.
  24. Cojocaru L., Kim T-W., Uchida S., Segawa H. Robust PbI6 Framework of Organometal Halide CH3NH3PbI3 Perovskite Observed by High-Resolution Transmission Electron Microscopy. Chemistry Letters, 48, 26-27, 2019.
  25. Kim T-W., Kim, M., Cojocaru L., Uchida S., Segawa H. Direct Observation of the Tunneling Phenomenon in Organometal Halide Perovskite Solar Cells and its Influence on Hysteresis. ACS Energy Letter, 3, 2743-2749, 2018.
  26. Cojocaru L.,* Wienands K., Kim T-W., Uchida S., Bett A. J., Rafizadeh S., Goldschmidt J. C., Glunz S. W. Detailed Investigation of Evaporated perovskite Absorbers with High Crystal Quality on Different Substrates. ACS Applied Materials and Interfaces, 10, 26293-26302, 2018.
  27. Kim T-W.,* Kim, M., Shibayama N., Cojocaru L., Uchida S., Kondo T., Segawa H. Real-Time In Situ Observation of Microstructural Change in Organometal Halide Perovskite Induced by Thermal Degradation. Advanced Functional Materials, 28, 1804039, 2018.
  28. Yamanaka S.,* Hayakawa K., Cojocaru L., Tsuruta R., Sato T., Mase K., Uchida S., Nakayama Y. Electronic Structures and Chemical States of Methylammonium Lead Triiodide Thin Films and Impacts of Annealing and Moisture Exposure. Journal of Applied Physics, 123, 165501, 2018.
  29. Kim T-W.,* Uchida S., Matsushita T., Cojocaru L., Jono R., Matsubara D., Shirai M., Ito K., Matsumoto H., Kondo T., Segawa H. Self-Organized Superlattice and Phase Coexistence inside Thin Film Organometal Halide Perovskite. Advanced Materials, 30, 1705230, 2018.
  30. Murakami T. N.,* Miyadera T., Funaki T., Cojocaru L., Kazaoui S., Chikamatsu M., Segawa H. Adjustment of Conduction Band Edge of Compact TiO2 Layer in Perovskite Solar Cells Through TiCl4 ACS Applied Materials and Interfaces, 9, 36708-36714, 2017.
  31. Cojocaru L.,* Uchida S., Tamaki K., Piyankarage V. V. J., Kaneko S., Nakazaki J., Kubo T., Segawa H. Determination of Unique Power Conversion Efficiency of Solar Cells Showing Hysteresis in the I-V Curves Under Various Light Intensity. Scientific Reports, 7, 11790, 2017.
  32. Almosni S.,* Cojocaru L., Li D., Uchida S., Kubo T., Segawa H.* Tunneling-assisted Trapping as one of the Possible Mechanisms for Origin of Hysteresis in Perovskite Solar Cells; A Study with the Simulation Software Silvaco Atlas. Energy Technology, 5, 1767-1774, 2017.
  33. Cojocaru L.,* Uchida S., Piyankarage V. V. J., Kaneko , Wang H., Nakazaki J., Kubo T., Segawa H. Effect of TiO2 Surface Treatment on the I-V Hysteresis of Planar Structure Perovskite Solar Cells Prepared on Rough and Flat FTO substrates. Energy Technology, 5, 1762-1766, 2017.
  34. Peiris T. A. N.,* Baranwal A. K., Kanda H., Fukumato S., Kanaya S., Cojocaru L., Bessho T., Miyasaka T., Segawa H., Ito S. Enhancement of the Hole Conducting NiO Effect by N2 Blow Drying Method in Printable Perovskite Solar Cells with Low-Temperature Carbon as the Counter Electrode. Nanoscale, 9, 5475-5482, 2017.
  35. Cojocaru L.,* Uchida S., Piyankarage V. V. J., Kaneko S., Nakazaki J., Kubo T., Segawa H. Replay to Comment Simulation of I-V Curves for Inverted Planar Structure Perovskite Solar Cells using Equivalent Circuit Model with Inductance. Applied Physics Express, 10, 059102, 2017.
  36. Peiris T. A. N.,* Baranwal A. K., Kanda H., Fukumato S., Kanaya S., Bessho T., Cojocaru L., Miyasaka T., Segawa H., Ito S. Effect of Electrochemically Deposited MgO Coating on Printable Perovskite Solar Cell Performance. Coatings, 7, 36, 1-8, 2017.
  37. Cojocaru L.,* Uchida S., Piyankarage V. V. J., Kaneko S., Nakazaki J., Kubo T., Segawa H. Simulation of I-V Curves for Inverted Planar Structure Perovskite Solar Cells using Equivalent Circuit Model with Inductance. Applied Physics Express, 10, 025701, 2017.
  38. Cojocaru L.,* Uchida S., Matsubara D., Matsumoto H., Katsuji I., Otsu Y., Chapon P., Nakazaki J., Kubo T., Segawa H. Direct Confirmation of Distribution for Cl– in CH3NH3PbI3-xClx Layer of Perovskite Solar Cells. Chemistry Letters, 45, 844-886, 2016.
  39. Cojocaru L.,* Uchida S., Piyankarage V. V. J., Kaneko S., Nakazaki J., Kubo T., Segawa H. Origin of the Hysteresis in I-V Curves for Planar Structure Perovskite Solar Cells Rationalized with a Surface Boundary Induced Capacitance Model. Chemistry Letters, 44, 1750-1752, 2015.
  40. Cojocaru L.,* Uchida S., Sanehira Y., Gonzales-Pedro V., Bisquert J., Nakazaki J., Kubo T., Segawa H. Temperature Effects on the Photovoltaic Performance of Planar Structure Perovskite Solar Cells. Chemistry Letters, 44, 1557-1559, 2015.
  41. Cojocaru L.,* Uchida S., Jena A. K., Miyasaka T., Nakazaki J., Kubo T., Segawa H. Determination of Chloride Content in Planar CH3NH3PbI3-xClx Solar Cells by Chemical Analysis. Chemistry Letters, 44, 1089-1091, 2015.
  42. Cojocaru L.,* Uchida S., Sanehira Y., K., Nakazaki J., Kubo T., Segawa H. Surface Treatment of the Compact TiO2 Layer for Efficient Planar Heterojunction Perovskite Solar Cells. Chemistry Letters, 44, 674-676, 2015.
  43. Danine A., Cojocaru L., Faure C., Olivier C., Toupance T., Campet G., Rougier A.* Room Temperature UV Treated WO3 Thin Films for Electrochromic Devices on Paper Substrate. Electrochemical Acta, 129, 113-119, 2014.
  44. Cojocaru L.,* Olivier C., Sellier E., Toupance T., Hirsch L. Size and Shape Fine-Tuning of SnO2 Nanoparticles for Highly Efficient and Stable Dye-sensitized Solar Cells. Mater. Chem. A, 1, 13789-13799, 2013.
  45. Gutsanu V.,* Cojocaru L., Lisa G., Volodina G. F. Some Metal Compounds in the Phase of Cross-linked Ionic Polymer-Precursor for New Sorbents and Catalysts. App. Poly. Sci., 124, 2582-2593, 2012.
  46. Gutsanu V.,* Cojocaru L., Lisa G., Volodina G. F. Ultrafine Particles of Bi(III) Compounds in the Phase of Cross-Linked Polymers – Precursors for New Sorbents, and Catalysts. App. Poly. Sci., 118, 2674-2681, 2010.

REVIEWS

[1] Keppetipola N. M.,* Olivier C., Toupance T., Cojocaru L.* Biomass-derived carbon electrodes for supercapacitors and hybrid solar cells: towards sustainable photo-supercapacitors. Sustainable Energy and Fuels, 5, 4784-4806, 2021.

[2] Almosni S., Delamarre A. Jehl Z., Suchet D., Cojocaru L., Giteau M., Behaghel B., Julian A., Ibrahim C., Tatry L., Wang H., Kubo T., Uchida S., Segawa H., Miyashita N., Tamaki R., Shoji Y., Yoshida K., Ahsan N., Watanabe K., Inoue T, Sugiyama M., Nakano Y., Hamamura T., Toupance T., Olivier C., Chambon S., Vignau L., Geffroy C., Cloutet E., Hadziioannou G., Cavassilas N., Rale P., Cattoni A., Collin S., Gibelli F., Paire M., Lombez L., Aureau D., Bouttemy M., Etcheberry A., Okada Y., Guillemoles J-G.* Material Challenges for Solar Cells in the Twenty-first Century: Directions in Emerging Technologies. Science and Technology of Advanced Materials, 19, 336-369, 2018

[3] Uchida S., Cojocaru L.,* Nakazaki J., Segawa H. The Present and Future of Organometal Halide Perovskite Solar Cells. Oyo Butsuri, 85, 676-683, 2016.

PROCEEDINGS

[1] Goldschmidt J. C.,* Schulze P. S., Bett A. J., Kabakli O., Winkler K., Cojocaru L., Bivour M., Blasi B., Hauser H., Hofmann C., Richter A., Tucher N., Tutsch L., Zhang Q., Hermle M., Glunz S. W. Optimizing Perovskite Silicon Tandem Solar Cells for Highest Efficiency and Energy Yield. Photonics for Solar Energy Systems VIII, 11366, 1136603, 2020.

[2] Cojocaru L.* Perovskite-based solar cells, material, methods, and future prospects for power-conversion storage application. The International Workshop on Next Generation Solar Cells Toward Practical Applications for Celebrating the 15th Anniversary of SPD Laboratory, Shizuoka, Japan, 42-50, December 15th, 2019.

[3] Cojocaru L.,* Wienands K., Goldschmidt J. C., Glunz S. W. Evaporation Method for High-Quality Perovskite Thin Film on Different Textured Substrates for Tandem Solar Cells Application. Solar Asia Book of Proceedings, Kandy, Sri Lanka, 177-178, January 4th-6th, 2018.

[4] Piyankarage V. V. J.,* Kaneko S., Cojocaru L., Uchida S., Segawa H. Novel PV Power Analyzing System with Maximum Power Point Tracking Technique: Towards The Solution for Evaluation Challenges of Perovskite Solar Cells due to Hysteresis in I-V Measurements. Solar Asia Book of Proceedings, Kandy, Sri Lanka, 186, January 4th-6th,

[5] Uchida S.,* Cojocaru L., Segawa H. Crystal Phase Analysis in Organometal Halide Perovskite Solar Cell. The 6th Sungkyun International Solar Forum (SISF), Seoul, Korea, 352-369, 2017.

[6] Uchida S.,* Cojocaru L., Nakazaki J., Kubo T., Segawa H. Perovskite Solar Cells-Crystal Structure and Interface Architecture-.12th Workshop on the Future Direction of Photovoltaics, Tokyo, Japan, 72-82, 2016.

[7] Uchida S.,* Cojocaru L., Segawa H. Surface Engineering of Perovskite Solar Cell. Photo Functionalized Materials Society (PFMS), 49, 78-83, 2016.

[8] Uchida S., Cojocaru L.,* Nakazaki J., Segawa H. The present and future of organometal halide perovskite solar cells. Oyo Butsuri, 85, 676-683, 2016.

[9] Uchida S.,* Cojocaru L., Nakazaki J., Kubo T., Segawa H. Perovskite Solar Cells-crystal Structure and Interface Architecture. Organic/dye-sensitized/perovskite solar cell workshop, Xi’an, China, 12-13, 2015.

[10] Cojocaru L.,* Uchida S., Sanehira Y., Jena A. K., Miyasaka T., Nonomura K., Nakazaki J., Kubo T., Segawa H. Chloride Assisted Perovskite Solar Cells with High Efficiency. The 6th World Conference on Photovoltaic Energy Conversion (WCPEC), 879-880, 2014. *Young researcher award.

[11] Cojocaru L., Olivier C., Toupance T.,* Hirsch L. Fine-Tuning of Both Size and Shape of Tin Dioxide Nanoparticles for Efficient Dye-sensitized Solar Cells. Chem. Soc., Div. Fuel Chem., 57, 672-673, 2012.

INVITED TALKS

  1. Cojocaru L.* Segawa H.
    Developing eco-friendly, solution-processed AgBiS2 thin film solar cells Asia-Pacific International conference on perovskite, organic photovoltaics (IPEROP26), January 13th -15th, 2026, Nagoya University, Nagoya, Japan
  2. Cojocaru L.* Segawa H., One-step deposition of solution-crystallized AgBiS2 thin film for solar cells and photodetector applications, Chemical Society of Japan (106 Annual Meeting of CSJ), March 17th -20th, 2026, Nihon University, Tokyo, Japan
  3. Cojocaru L.* Segawa H., Developing eco-friendly, solution-processed AgBiS2 thin film solar cells, Asia-Pacific International conference on perovskite, organic photovoltaics (IPEROP26) January 13th -15th, 2026, Nagoya University, Nagoya, Japan
  4. Cojocaru L.* (Plenary lecture), Potential of solution-crystallized AgBiS2 thin film solar cells, 17th International Conference on Physics and Advanced Materials (ICPAM-17) November 16th -23rd, 2025, Shizuoka University, Hamamatsu, Japan
  5. Cojocaru L.*, Potential of perovskite solar cells, a game changer in photovoltaics, and its recent progress in Japan, Internal scientific discussion , October 9th, 2025, Agency for the Development and Modernization of Agriculture (ADMA) supported by the Government of Moldova, Chisinau, Moldova
  6. Cojocaru L.*, Screening the toxicity and environmental impacts of perovskite solar cells fabrication using LCA method, Symposium “Perovskite Solar Cell Technologies for Realizing a Sustainable Society” General Conference on Human Intellectual Exchange Shapes Technology, March 24th -28th, 2025, Tokyo City University Setagaya Campus, Tokyo, Japan.
  7.  Cojocaru L.* , Simple-crystallized approach of AgBiS2 material for PV application. , International Mini-symposium on Chemistry for Perovskite Materials and Devices, November 5th, 2024, Waseda University, Japan.
  8. Cojocaru L.* Segawa H. , Emerging perovskite solar cells the next level of technology development, 15th International Conference on Physics and Advances Materials (ICPAM-15) September 7th -15th, 2024, Akdeniz University, Antalya, Turkey.
  9. [43] Cojocaru L.* , Exploring the Future of Emerging Perovskite Solar Cell Technology, 7th Autumn School on Physics of Advanced Materials (PAMS-7), September 7th -15th, 2024, Akdeniz University, Antalya, Turkey.
  10. Cojocaru L.*, Yoshihara　Y., Keppetipola　N., Kamali　K., Sonnemann　G., Toupance T., Jena A. K., Uchida S., Segawa H. , Assessing Sustainable Approaches for Perovskite Solar Cells Fabrication, 24th International Conference on Photochemical Conversion and Storage of Solar Energy (IPS-24), July 28th-August 2nd, 2024, Hiroshima, Japan.
  11. Cojocaru L.*, Jena A. K., Segawa H. , Exploring the potential of AgBiS2 in Perovskite/AgBiS2 tandem solar cells, International Symposium on Solar Energy 2024 (ISSE 2024), WPI-I2CNER, July 22nd-23rd, 2024, Kyushu University, Japan.
  12. Cojocaru L.*, Nature as a source of inspiration for scientists: Photosynthesis, Solar Energy Conversion into Electricity, Virtual Guest Lecture, Sreenivasa Institute of Technology and Management Studies, 28th February 2024, Chittoor, Andhra Pradesh, India.
  13. Cojocaru L.*, Emerging perovskite solar cells technology, a look into the future., RATO Special Seminar in Solar Cells, ENEOS hall, Research Center for Advanced Science and Technology, the University of Tokyo, January 29th, 2024, Tokyo, Japan.
  14. Cojocaru L.*, Processing perovskite solar cells for tandem and integrated eco-friendly photo-storage systems, International Summit on Organic and Hybrid Photovoltaics Stability (ISOS14) and Women Leaders in Solar Energy. November 8th-10th, 2023, Yokohama, Japan. https://isos14.jp/ – Speaker
  15. Cojocaru L.*, Pasion on PV and the future of perovskite solar cells, The 20th “Next-Generation Photovoltaic Power Generation System” Symposium, June 29th-30th, 2023, Kyoto, Japan.
  16. Cojocaru L.*, Sustainable and rechargeable solar cells. Special Lecture at Waseda University, May 12th, 2023, Tokyo, Japan. https://www.tgu-enm.sci.waseda.ac.jp/special-lecture-by-dr-ludmila-cojocaru-photo-supercapacitors-based-on-perovskite-solar-cells/
  17. Cojocaru L.*, Energy conversion-storage devices using perovskite solar cells and supercapacitors, Make our Planet Great Again (MOPGA) Final Conference, December 6th-7th, 2022, Berlin, Germany.
  18. Cojocaru L.*, Evaluating the response of perovskite solar cells in photo-supercapacitors systems, Seminar Lecture at Waseda University, October 20th, 2022, Tokyo, Japan.
  19. Cojocaru L.*, Promises, Opportunities and Challenges of Perovskite Solar Cells, Presentation at Nagoya University, October 19th, 2022, Nagoya, Japan.
  20. Cojocaru L.*, Promises, Opportunities and Challenges of Perovskite Solar Cells, Seminar Lecture at Tokyo University of Science, October 18th, 2022, Tokyo, Japan.
  21. Cojocaru L.*, Academic interactions between Moldova-Japan researchers. Efficient SunLight harvesting using solar cells technology, Seminar at Embassy of Republic of Moldova in Japan, October 11th, 2022, Tokyo, Japan.
  22. Cojocaru L.*, Self Introduction, academic interactions between Moldova-France. Efficient SunLight harvesting using solar cells technology, Seminar at University of Bordeaux during the visit of H. E. Mrs Corina Calugaru, Ambassador of Republic of Moldova in France, July 11th, 2022, Bordeaux, France
  23. Cojocaru L.*, Intermittency of Sunlight, sustainable photo-supercapacitors for energy conversion-storage in a single device, Make our Planet Great Again (MOPGA) seminar series, November 29th, 2021. YouTube: https://www.youtube.com/watch?v=WzYFn9DNB-w.
  24. Cojocaru L.*, Energy conversion-storage devices using perovskite solar cells and supercapacitors, Make our Planet Great Again (MOPGA) Mid-Term Conference, November 23rd-24th, 2021, Strasbourg, France. YouTube: https://www.youtube.com/watch?v=Rg7NUA-saxU
  25. Cojocaru L.* Keppetipola N., Olivier C., Toupance T., Perovskite solar cells and future prospects for energy conversion and storage devices, 13th International Conference on Physics and Advances Materials (ICPAM-13), September 24th -30th, 2021, Sant Feliu de Guixols, Spain.
  26. Toupance T., Keppetipola N., Cojocaru L.*, Video Presentation on the Global Warming solutions. Photo-storage devices, Summer School on Advanced Materials for Energy Storage and Conversion, University of Bordeaux, July 5th-9th, 2021, Bordeaux, France, https://bss-energy.u-bordeaux.fr/en/Program/Previous-editions/2021/Timetable-learni ng-outcomes/r1510.html.
  27. Uchida S.,* Tamaki K., Tada K., Furue M., Cojocaru L., Segawa H., Evaluation of solid-state dye-sensitized solar cells under the low-light intensity condition, The 30th International Photovoltaic Science and Engineering Conference (PVSEC-30), November 8th-13th, 2020, Jeju, Korea.
  28. Cojocaru L.*, Hybrid systems combining perovskite solar cells and supercapacitors based on coconut activated carbon for energy conversion-storage devices, Make our Planet Great Again, Kick-off Conference, October 1st, 2019, Paris, France.
  29. Cojocaru L.*, Polythiophene hole transport layer for fully evaporated perovskite solar cells and tandem application, Waseda University, Student lecture, December 2nd, 2019, Tokyo, Japan.
  30. Cojocaru L.*, Future Prospects of Photovoltaics and Power Storage, The International Workshop on Next Generation Solar Cells Towards Practical Applications for Celebrating the 15th Anniversary of SPD Laboratory, November 13th, 2019, Hamamatsu, Japan.
  31. Cojocaru L.*, From dye-sensitized to perovskite solar cells, Exeger colloquium, March 18th, 2019, Stockholm, Sweden.
  32. Uchida S.,* Kim T-W., Cojocaru L.,* Matsushita T., Kondo T., Segawa H., A new discovery of superlattice inside perovskite solar cells, The 9th International Conference on Materials Science and Condensed Matter Physics, (MSCMP-2018), September 25th -28th, 2018, Chisinau, Moldova.
  33. Cojocaru L.,* Wienands K., Rafizadeh S., Bett A.J., Goldschmidt J. C., Glunz S.W., Evaporated perovskite based on CH3NH3PbI3 for high-performance solar cells, The 9th International Conference on Materials Science and Condensed Matter Physics (MSCMP-2018), September 25th -28th, 2018, Chisinau, Moldova.
  34. Cojocaru L.* Wienands K., Rafizadeh S., Goldschmidt J. C., Glunz S., Evaporation method for high-quality perovskite thin film on different textured substrates for tandem solar cells application. Solar Asia 2018, January 2nd – 4th, 2018, Kandy, Sri Lanka.
  35. Cojocaru L.*, From dye-sensitized to perovskite solar cells., Perovskite solar cells; hysteresis, layer interconnections, and future prospects for tandem solar cells, Talk at University of Freiburg, May 10th, 2017, Freiburg, Germany
  36. Cojocaru L.*, Recent progress of organic-inorganic hybrid perovskites (CH3NH3PbI3), material structures, properties, and applications. SONY colloquium, November 10th, 2017 Stuttgart, Germany.
  37. Cojocaru L.*, Perovskite solar cells young technology discovered in Japan, Lecture for young researchers from Moldova, February 5th, 2018, Chisinau, Moldova. https://diez.md/2018/02/02/oportunitate-pentru-tinerii-cercetatori-cum-puteti-obtine-o-mobilitate-academica-japonia/
  38. Cojocaru L., Uchida S.,* Tamaki K., Piyankarage V. V. J., Kaneko S., Nakazaki J., Kubo T., Segawa H., Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curves under various light intensities. Stability of Emerging Photovoltaics: from Fundamentals to Applications (SEPV18), February 20th-23rd, 2018, Barcelona, Spain.
  39. Uchida S.,* Cojocaru L., Kubo T., Segawa H., Perovskite solar cells crystal structure and interfaces. Invited lecture Laboratoire de Chimie des Polymers Organiques, LIA-NEXTPV, University of Bordeaux, March 10th, 2017, Bordeaux, France.
  40. Uchida S.,* Cojocaru L., Piyankarage V. V. J., Kaneko S., Nakazaki J., Kubo T., Segawa, Comparison of power conversion efficiency of solar cell showing hysteresis by I-V measurement and MPPT method under various light intensities, StableNextSol COST Action no. MP1307, April 6th, 2017, Lisbon Portugal.
  41. Cojocaru L., Wienands K.,* Rafizadeh S.,* Goldschmidt J-C., Glunz S. W., Evaporated perovskite for high-performance tandem solar cells, IMTEK/INATECH, University of Freiburg Research Day, December 8th, 2017, Freiburg, Germany.
  42. Uchida S.,* Cojocaru L., Kubo T., Segawa H., Thin film electronics pioneered by high-performance perovskite solar cells, International Photovoltaic Power Generation Expo (PV Expo), March 2nd-4th, 2016, Tokyo Big Sight, Japan.
  43. Uchida S.,* Cojocaru L., Kubo T., Segawa H., Perovskite solar cells with crystal structure and interface architecture, The First International Conference on the New Photocatalytic Materials for Environment, Energy and Sustainability (NPM-1), June 8th -10th, 2016, Gottingen, Germany.
  44. Uchida S.,* Cojocaru L., Kubo T., Segawa H., Perovskite solar cells, crystal structure and interfaces architecture, 26th International Photovoltaic Science and Engineering Conference (PVSEC-26), October 24th-28th, 2016, Singapore.
  45. Uchida S.,* Cojocaru L., Jayaweera P. V. V., Kaneko S., Kubo T., Segawa H., High Capacitance Perovskite Solar Cells Rationalized with Surface Boundary, International Symposium on Next-Generation Solar Cells and Solar Energy Conversion (NGSC2016), November 21st-24th, 2016, National Chiao Tung University (NCTU), Hsinchu, Taiwan.
  46. Uchida S.,* Cojocaru L., Segawa H., Perovskite solar cells – crystal structure and interfaces, Workshop for Emerging Photovoltaic Technology (NCKU), November 25th, 2016, National Chiao Tung University (NCTU), Hsinchu, Taiwan.
  47. Uchida S.,* Cojocaru L., Kubo T., Segawa H., Performance of planar structure perovskite solar cells, 1st International Conference on Perovskite Solar Cells and Optoelectronics, September 27th -29th, 2015, Lausanne, Switzerland.
  48. Cojocaru L.*, Lecture “JSPS Science Dialog Program” Dye-sensitized solar cells, Junior High and Senior High School at Komaba, June 28th, 2014, Setagaya, Tokyo, Japan. https://www.jsps.go.jp/file/storage/general/j-outline/data/brochure_2014-2015_j.pdf
  49. Cojocaru L.*, First International Symposium for Young Students: Challenge of Chemistry toward Solar Energy Utilization, University of Tokyo, February 8th, 2014, Tokyo, Japan. https://www.rcast.u-tokyo.ac.jp/ja/news/events/page_00102.html
  50. Cojocaru L.* Uchida S., Kubo T., Segawa H., Cloutet E., Hadziioannou G., Dye-sensitized solar cells, Conference Journée Scientifique de la Recherche, French Embassy in Japan, November 29th, 2013, Tokyo, Japan. *Best oral presentation
  51. Cojocaru L.*, Lecture “JSPS Science Dialog Program” Third-generation solar cells: Dye-sensitized solar cells, Saitama Prefectural Kumagaya Girls’High School, July 17th, 2013, Tokyo, Japan. https://www.jsps.go.jp/file/storage/general/j-outline/data/brochure_2013-2014_j.pdf

AWARDS

[1] 29.06.2022 First step qualification European Research Council (ERC_Consolidator grant)

[2] 02.06.2022 Poster Prize from Journal of Materials Chemistry A and Nature Energy at Women in Renewable Energy (E-MRS), Virtual Conference

[3] 04.11.2019 Laureate of the French President’s Emmanuel Macron Initiative “Make our Planet Great Again” (top 42 selected scientists in France and Germany)

[4] 31.05.2018 Co-author of Best poster presentation, HOPV18, Benidorm, Spain

[5] 27.11.2014 Young Researcher Award, the 6th World Conference on Photovoltaic Energy Conversion, Kyoto, Japan

[6] 28.06.2014 Certificate of Appreciation, JSPS Science Dialog Program, for the excellent lecture at Junior High and Senior High School at Komaba, Setagaya, Tokyo, Japan

[7] 29.11.2013 Best Oral Presentation Awards, Journée Francophone de la Recherche, Tokyo, Japan

[8] 17.07.2013 Certificate of Appreciation, JSPS Science Dialog Program, for the excellent lecture at Saitama Prefectural Kumagaya Girls’High School, Japan

[9] 28.11.2012 Japan Society for the Promotion of Science for Postdoctoral Research in Japan.

[10] 03.07.2012 Best Poster Awards, Journée scientifique de l’ISM, Bordeaux, France

PATENTS

[1] Gutsanu V., Cojocaru L. Process for obtaining selective sorbent containing Bi(III) compounds. Patent 3295 MD// BOPI, 2007, nr.3, 42.

[2] Gutsanu V., Cojocaru L. Process for modification with Bi(III) compounds of the cross-linked ionic polymers containing highly basic groups. Patent 2706 MD//BOPI, 2005, nr. 2, 322.

BOOK CHAPTERS

[1] Cojocaru L., Uchida S. (contribution writing), Boundary engineering of counter electrodes for dye-sensitized and perovskite solar cells. Counter Electrodes for Dye-sensitized and Perovskite Solar Cells (Wiley –VCH Verlag GmbH&Co.KGaA.,), 511-519, 2018.

[2] Cojocaru L., Uchida S. (contribution writing), The performance evaluation of perovskite solar cells. Cutting Edge Technologies of Perovskite Solar Cells (CMC Publishing Co., Ltd.​), 127-137, 2019. ISBN 978-4-7813-1427-3.

[3] Toupance T., Cojocaru L., Boucle (contribution writing), Chapter 3 : Cellules solaires hybrides à colorant, ISTE Group, Consignes générales Sciences, 2025.

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