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Solution-Processable transparent conducting electrodes via the self assembly of silver nanowires for organic photovoltaic devices

Authors
Camic, B. TugbaShin, Hee JeongAslan, M. HasanBasarir, FevzihanChoi, Hyosung
Issue Date
Feb-2018
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Keywords
Silver nanowires; Transparent conducting electrode; Self-assembly deposition; Organic photovoltaics
Citation
JOURNAL OF COLLOID AND INTERFACE SCIENCE, v.512, pp.158 - 164
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume
512
Start Page
158
End Page
164
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/150629
DOI
10.1016/j.jcis.2017.09.112
ISSN
0021-9797
Abstract
Solution-processed transparent conducting electrodes (TCEs) were fabricated via the self-assembly deposition of silver nanowires (Ag NWs). Glass substrates modified with (3-aminopropyl)triethoxysilane (APTES) and (3-mercaptopropyl)trimethoxysilane (MPTES) were coated with Ag NWs for various deposition times, leading to three different Ag NWs samples (APTES-Ag NWs (PVP), MPTES-Ag NWs (PVP), and APTES-Ag NWs (COOH)). Controlling the deposition time produced Ag NWs monolayer thin films with different optical transmittance and sheet resistance. Post-annealing treatment improved their electrical conductivity. The Ag NWs films were successfully characterized using UV-Vis spectroscopy, field emission scanning electron microscopy, optical microscopy and four-point probe. Three Ag NWs films exhibited low sheet resistance of 4-19 Omega/sq and high optical transmittance of 65-81% (at 550 nm), which are comparable to those of commercial ITO electrode. We fabricated an organic photovoltaic device by using Ag NWs as the anode instead of ITO electrode, and optimized device with Ag NWs exhibited power conversion efficiency of 1.72%.
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