Silver Nanowire Top Electrodes in Flexible Perovskite Solar Cells using Titanium Metal as Substrate

Title
Silver Nanowire Top Electrodes in Flexible Perovskite Solar Cells using Titanium Metal as Substrate
Authors
이민오고요한민병권전용석
Keywords
silver; nanowire; perovskite; solar cells
Issue Date
2016-01
Publisher
ChemSusChem
Citation
VOL 9, 31-35
Abstract
Flexible perovskite solar cells (FPSCs) have various applications such as wearable electronic textiles and portable devices. In this work, we demonstrate FPSCs on a titanium metal substrate employing solution-processed silver nanowires (Ag NWs) as the top electrode. The Ag NW electrodes were deposited on top of the spiro-MeOTAD hole transport layer by a carefully controlled spray-coating method at moderate temperatures. The power conversion efficiency (PCE) reached 7.45 % under AM 1.5 100 mW cm−2 illumination. Moreover, the efficiency for titanium-based FPSCs decreased only slightly (by 2.6 % of the initial value) after the devices were bent 100 times. With this and other advances, fully solution-based indium-free flexible photovoltaics, advantageous in terms of price and processing, have the potential to be scaled into commercial production.
URI
http://pubs.kist.re.kr/handle/201004/58429
ISSN
18645631
Appears in Collections:
KIST Publication > Article
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