The University of Electro-Communications Graduate School of Informatics and Engineering, School of Informatics and Engineering "Department of Engineering Science, Cluster III （Fundamental Science and Engineering）" Varun VOHRA

The University of Electro-Communications

Graduate School of Informatics and Engineering, School of Informatics and Engineering

"Department of Engineering Science, Cluster III （Fundamental Science and Engineering）"

Associate Professor
Varun VOHRA

Year of birth:1984
Tel.042-443-5359

■ Academic degrees
DEUG equivalent in Materials Science Possibility to pass the exam for prestigious engineering schools in France Chaptal (Classe Préparatoire aux Grandes Ecoles) 2003/06/27
Engineering Diploma in Materials Science (Polymer speciality) European School of Chemistry, Polymers and Materials 2006/09/15
Master's Degree in Materials Science Louis Pasteur University 2006/09/22
PhD in Materials Science Milano-Bicocca University 2009/12/17

■ Current research areas
Device related chemistry
Composite materials/Surface and interface engineering
Structural/Functional materials
Material processing/Microstructural control engineering

■ Current research subjects
Multi-level self-assembled systems 2006/11/01-2009/12/17 Zeolite L based organic/inorganic hybrid system to enhance the PL properties of organic dye molecules.
electro-spinning 2006/11/01-Present Process to produce various types of functional polymeric nanofibers. white-light emitting nanofibers, electro luminescent nanofibers.
Polymer-Polymer self-assembly 2006/11/01-Present Breath Figures Array (BFA) Electrospun self-assembled nanofibers Formation of nanostructures through polymer-polymer self-assembly (phase separation)
organic light emitting devices 2007/09/01-Present Development of new and innovative types of light-emitting devices based on conjugated polymer materials. Integration of conjugated polymer nanofibers into device architecture.
Organic Solar Cells 2010/05/15-Present Formation of donor-acceptor concentration gradients in active layers. New materials for OPV New Device architectures Molecular orientation and morphology of the active layer

■ Published books
Book Interface Engineering: A Key Aspect for the Potential Commercialization of Printable Organic Photovoltaic Cells Varun VOHRA, Nur Tahirah Razali, Hideyuki Murata Wiley-Scrivener 2017/05
Book Systematic study of organic solar cells cross-section by EDS to correlate donor-acceptor vertical concentration gradients and device performances Varun VOHRA Nur Tahirah Razali Hideyuki Murata One Central Press 2017/01 978-1-910086-19-3
Book Chemical Science of π-Electron Systems Varun Vohra, Koichi Higashimine, Keisuke Ohdaira, Shogo Tsuzaki, Hideyuki Murata Springer 2015 978-4-431-55356-4
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■ Published papers
Paper Yes Impact of the Electron Acceptor Nature on the Durability and Nanomorphological Stability of Bulk Heterojunction Active Layers for Organic Solar Cells Varun Vohra, Yumi Matsunaga, Tomoaki Takada, Ayumu Kiyokawa, Luisa Barba, William Porzio Small 2004168- 2020/12/16
Paper Yes Ultrafast spectroscopy on water-processable PCBM: rod–coil block copolymer nanoparticles Lucia Ganzer, Stefania Zappia, Mattia Russo,Anna Maria Ferretti, Varun Vohra, Marianna Diterlizzi, Maria Rosa Antognazza, Silvia Destri, Tersilla Virgili Physical Chemistry Chemical Physics 10.1039/D0CP05478J 2020/11/11 10.1039/D0CP05478J
Paper Yes Controlling the concentration gradient in sequentially deposited bilayer organic solar cells via rubbing and annealing Mohd Zaidan Abdul Aziz, Koichi Higashimine, Nobutaka Shioya, Takafumi Shimoaka, Takeshi Hasegawa, Heisuke Sakai, Varun Vohra, Hideyuki Murata RSC Advances 10/ 61, 37529-37237 2020/10/12
Paper Yes Metal oxides and noble metals application in organic solar cells Popoti J.Maake, Amogelang S.Bolokang, Christopher J.Arendse, VarunVohra, Emmanuel I.Iwuoha, David E.Motaung Solar Energy 207, 347-366 2020/09/01
Paper Yes Water-Processed Organic Solar Cells with Open-Circuit Voltages Exceeding 1.3V Varun Vohra Shunsuke Shimizu Yuko Takeoka Coatings 10, 421- 2020/04/24 10.3390/coatings10040421
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■ Research presentations
Oral presentation for an academic conference Strategies to Improve the Optical Properties and Sustainability of Solar Energy-Harvesting Photovoltaic Windows The 9th Global Conference on Materials Science and Engineering Oral Session 1 Yes Varun Vohra 2020/11/21
Oral presentation for an academic conference Recycling of costly and durable transparent conductive electrodes from degraded organic solar cells JSAP Autumn Meeting 2020 12.5. Organic solar cells/ 10a-Z11 Yes Varun Vohra, Tomoaki Takada 2020/09/10
Oral presentation for an academic conference Recycling of Costly Transparent Electrode Substrates from Degraded Organic Solar Cells Online Summit on Recycling and Waste Management Day 1/ Session 2 Yes Varun Vohra, Tomoaki Takada 2020/07/02
Oral presentation for an academic conference Green & Sustainable Fabrication of Organic Solar Cells Online Summit on Carbon Materials and Nanotechnology Session 2/ Invited 1 Yes Varun Vohra, Shusei Inaba, Yumi Matsunaga, Tomoaki Takada 2020/06/30
Oral presentation for an academic conference Simple strategies to produce efficient, green & sustainable organic photovoltaic devices Advanced Materials Lecture Series 2020 IAAM Fellow Lecture Yes 2020/06/10
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■ Awards
Best Presentation Award at the 9th Global Conference on Materials Science and Engineering (CMSE 2020) 2020/12/10
3rd G'L'owing Polymer Symposium in KANTO Presentation Award Green & Sustainable Fabrication of Conjugated Polymer-based Solar Cells 2020/11/28
THE 2ND ASEAN - UEC WORKSHOP ON ENERGY AND AI Young Researcher Encouragement Award Efficient ultra low-cost solar cells fabricated with green & sustainable push-coated organic active layers 2020/11/21
UEC学生表彰候補者 2019
エヌエフ基金　研究開発奨励賞　優秀賞低コスト光発電窓のグリーン＆サステナブル作製を実現した研究 2019/11/22
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