Journal of Photopolymer Science and Technology
Online ISSN : 1349-6336
Print ISSN : 0914-9244
ISSN-L : 0914-9244
Development of Environmentally Controlled Desktop Spray Coater and Optimization of Deposition Conditions for Organic Thin-film Photovoltaic Cells
Tatsuo MoriYoshinori KobayashiHiroki AkenagaYoshiyuki SeikeKeiji MiyachiTakao Nishikawa
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2018 Volume 31 Issue 3 Pages 335-341

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Abstract

Organic thin-film photovoltaic cells (OPV) consisting of poly(3-hexylthiophene-2,5-diyl) (P3HT) and phenyl-C61-butyric-acid-methyl ester (PCBM) were deposited with our developed desktop spray coater, rCoater. Organic thin films were deposited using two different spray nozzles: a two-fluid spray nozzle and a rotary-atomizing spray nozzle. The deposition conditions were optimized and the photovoltaic (PV) characteristics were measured. OPVs deposited using the two-fluid spray nozzle under optimized conditions exhibited better PV performance than those deposited using a spin coat method. The organic thin films fabricated using the two-fluid spray had a stacked structure by many small disk-like grains.

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© 2018 The Society of Photopolymer Science and Technology (SPST)
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