Journal
RENEWABLE ENERGY
Volume 135, Issue -, Pages 589-596Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2018.12.031
Keywords
Inverted organic solar cell; Local spectral irradiance; J-V characteristic curve; Power conversion efficiency; Standard AM 1.5 G spectrum; P3HT:PC61BM
Funding
- ministry of highest education (MOHE), Malaysia under fundamental research grant scheme (FRGS) [FRGS/1/2016/TK07/UTAR/01/1, FRGS/1/2017/SG07/UKM/02/4]
- University Kebangsaaan Malaysia [DIP-2016-027]
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Inverted organic solar cell (IOSC) devices with different volume ratios of In2S3 nanoparticles have been studied under local spectral irradiances in Malaysia with respect to that of AM1.5G. The J-V curves of encapsulated IOSC devices were measured outdoor using an Ivium Potentiostat and local spectral irradiances were acquired using an AVANTES spectrometer concurrently. All of the IOSC devices experienced significant improvement in power conversion efficiency (PCE) under the both local sunny and cloudy conditions with respect to the AM 1.5G, by 22-35% and 31-65%, respectively. From spectral analysis, the area under the graph of spectral irradiance in UV visible region is significantly higher compared to infrared region for both local sunny and cloudy conditions, by 44.6% and 55.9%, respectively, while it is only recorded as 12.9% for AM 1.5G. Last but not the least, we have successfully verified the numerical analysis to predict device performance by comparing the simulated and measured PCE values for different irradiance intensities whereby the prediction of PCE is better under sunny condition with a deviation of 3.4-10.8% compared to cloudy conditions, with deviation of 28.9-30.5%. (C) 2018 Elsevier Ltd. All rights reserved.
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