Abstract
Research in solar cells is needed to maximize Indonesia’s vast solar potential that can reach up to 207.898 MW with an average radiation of 4.8 kWh/m2/day. Organometallic perovskite solar cells (PSCs) have gained immense attention due to their rapid increase in efficiency and compatibility with low-cost fabrication methods. Understanding the role of hole transport layer is very important to obtain highly efficient PSCs. In this work, we studied the effect of Hole Transport Layer (HTL) to the performance of perovskite solar cell. The devices with HTL exhibit substantial increase in power conversion efficiency, open circuit voltage and short circuit current compared to the device without HTL. The best performing device is PSC with CuSCN as HTL layer, namely Voc of 0.24, Isc of 1.79 mA, 0.27 FF and efficiency of 0.09%.
Highlights
Indonesia is a tropical country with high solar potential that can reach up to 207,898 MW with an average radiation of 4.8 kWh/m2/day[1,2]
We present the detailed device fabrication methods for two different hole transporting materials, (CuSCN and PEDOT:PSS) and compare the different device performance of the cells with and without Hole Transport Layer (HTL) to analyse the role of HTL and explore the effect of using different materials to the performance of perovskite solar cell
The decrease of recombination is evident from an increased open circuit voltage in the devices with HTL, making them perform better than the device without HTL
Summary
Indonesia is a tropical country with high solar potential that can reach up to 207,898 MW with an average radiation of 4.8 kWh/m2/day[1,2]. Organometallic perovskite solar cells have gained immense attention due to their compatibility with lowcost fabrication methods and high power conversion efficiency, certified up to 22.7% by the National Renewable Energy Laboratory[3]. Organometallic perovskite, such as CH3NH3PbX3 (X = I, Br, Cl), has the characteristics of low cost fabrication technique with roll-to-roll or solution processing, high absorption coefficient and long diffusion length, making them one of the most promising photovoltaic material for cost effective solar cell[4,5,6]. These two reasons make processing of PEDOT:PSS directly on top of the perovskite film
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