材料科学
石墨烯
传输层
钙钛矿太阳能电池
光电子学
能量转换效率
氧化物
纳米技术
钙钛矿(结构)
兴奋剂
图层(电子)
计算机科学
化学工程
工程类
冶金
作者
Akhilesh Kumar Chaudhary,Sudhanshu Verma,R. K. Chauhan
出处
期刊:Optik
[Elsevier]
日期:2023-12-01
卷期号:295: 171469-171469
标识
DOI:10.1016/j.ijleo.2023.171469
摘要
In this work, an innovative design for environmentally benign perovskite solar cells (PSCs) is introduced by incorporating graphene oxide (GO) as the hole transport layer (HTL) and utilizing carbon for the back contact. Eschewing the traditionally used CH3NH3PbI3, which raises environmental concerns due to lead content, the proposed design features the eco-friendly CH3NH3SnI3 as the absorber layer. The strategic inclusion of GO as the HTL amplifies the PSC's operational efficiency, owing to its superior exciton dissociation and charge transport properties, while simultaneously offering an economical fabrication strategy. Together with the carbon back contact, this configuration promises a sustainable and cost-efficient PSC solution. The proposed PSC architecture comprises FTO (window layer)/TiO2 (electron transport layer)/CH3NH3SnI3 (absorber layer)/GO (HTL)/C (back contact). Through rigorous optimization processes – encompassing parameters like layer thicknesses, interfacial defects, and doping levels – a commendable enhancement in PSC's performance metrics is achieved. The resultant design registered a power conversion efficiency (PCE) of 21.40% and a fill factor (FF) of 83.98%. Furthermore, thermal evaluation from 300 K to 400 K revealed the PSC's exceptional thermal resilience, underscoring its suitability for commercial deployment. All simulations and analyses are conducted using the SCAPS-1D software.
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