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Doojin Vak
Researcher at Commonwealth Scientific and Industrial Research Organisation
Publications - 81
Citations - 5662
Doojin Vak is an academic researcher from Commonwealth Scientific and Industrial Research Organisation. The author has contributed to research in topics: Perovskite (structure) & Roll-to-roll processing. The author has an hindex of 40, co-authored 75 publications receiving 4849 citations. Previous affiliations of Doojin Vak include Gwangju Institute of Science and Technology & University of California, Santa Barbara.
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Journal ArticleDOI
Toward Large Scale Roll‐to‐Roll Production of Fully Printed Perovskite Solar Cells
Kyeongil Hwang,Kyeongil Hwang,Yen-Sook Jung,Yen-Sook Jung,Youn-Jung Heo,Youn-Jung Heo,Fiona H. Scholes,Scott E. Watkins,Jegadesan Subbiah,David J. Jones,Dong-Yu Kim,Doojin Vak +11 more
TL;DR: A sequential slot-die coating process is developed to produce efficient perovskite solar cells and to be used in a large-scale roll-to-roll printing process, a scalable printing method.
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Fabrication of organic bulk heterojunction solar cells by a spray deposition method for low-cost power generation
TL;DR: In this paper, a spray deposition method was used for the fabrication of organic solar cells (OSCs), which showed 2.83% of power conversion efficiency and 52% of incident photon to current conversion efficiency even though the device was fabricated in air.
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One-step roll-to-roll air processed high efficiency perovskite solar cells
Chuantian Zuo,Chuantian Zuo,Chuantian Zuo,Doojin Vak,Dechan Angmo,Liming Ding,Liming Ding,Mei Gao +7 more
TL;DR: In this paper, the authors demonstrate a facile spin-coating-free and R2R compatible blowing-assisted drop-casting (BADC) method to prepare CH3NH3PbI3 films for perovskite solar cells.
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Three-Dimensional Bulk Heterojunction Morphology for Achieving High Internal Quantum Efficiency in Polymer Solar Cells
Jang Jo,Seok-In Na,Seok-Soon Kim,Tae-Woo Lee,Youngsu Chung,Seok-Ju Kang,Doojin Vak,Dong-Yu Kim +7 more
TL;DR: In this paper, an investigation of 3D morphologies for bulk heterojunction (BHJ) films based on regioregular poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) is reported.
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Water-Soluble Polyfluorenes as an Interfacial Layer Leading to Cathode-Independent High Performance of Organic Solar Cells
TL;DR: In this article, the use of polyfluorenes as an interfacial layer for low-cost poly(3hexylthiophene):phenyl-C 61 butyric acid methyl ester (P3HT:PCBM) organic solar cells was investigated.