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
View details...

■ Published papers
Paper Yes Colorless Windows That Transform Sunlight Into Electricity Varun Vohra, Takashi Sano Frontiers for Young Minds 9, 552439- 2021/08/06 10.3389/frym.2021.552439
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
View details...

■ Research presentations
Oral presentation for an academic conference Impact of acceptor unit copolymerization on the degradation of thiophene-based conjugated polymer donors for organic photovoltaic applications coatings for photovoltaic applications JSAP Autumn Meeting 2021 22p-P07-7 Yes Hiroki Saito, Newayemedhin Aberra Tegegne, Wendimagegn Mammo, Varun Vohra 2021/09/22
Oral presentation for an academic conference n型共役ポリマー半導体の配向性フローティングフィルムの作製第82回応用物理学会秋季学術講演会 22p-P04-1 Yes 杉田有哉, Pandey Manish, Syafutra Heriyanto, Cho Yongyoon, Vohra Varun, 辨天宏明, 中村雅一 2021/09/22
Oral presentation for an academic conference Moth eye structures with tunable dimensions fabricated from self-assembled templates as light manipulation coatings for photovoltaic applications JSAP Autumn Meeting 2021 21a-P01-3 Yes Takaaki Sato, Varun Vohra, Hideyuki Murata, Savanna Lloyd 2021/09/21
Oral presentation for an academic conference 低コスト・低環境影響のプッシュコート法による有機薄膜太陽電池作製第82回応用物理学会秋季学術講演会 12p-N322-7 Yes 清川歩夢, 稲葉柊生, 松永優実, Vohra Varun 2021/09/12
Oral presentation for an academic conference 低コスト・低環境影響のプッシュコート法による有機薄膜太陽電池作製第82回応用物理学会秋季学術講演会 12p-N322-7 Yes 清川歩夢, 稲葉柊生, 松永優実, Vohra Varun 2021/09/12
View details...

■ 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
View details...