石墨烯
钙钛矿(结构)
电子迁移率
量子点
材料科学
石墨烯量子点
光电子学
激子
溶解度
纳米技术
化学
物理化学
凝聚态物理
物理
结晶学
作者
Anjan Kumar,M.I. Sayyed,Diego Punina,Eugenia Naranjo,Edwin Jácome,Maha Khalid Abdulameer,Hamza Jasim Albazoni,Zahra Shariatinia
出处
期刊:RSC Advances
[The Royal Society of Chemistry]
日期:2023-01-01
卷期号:13 (42): 29163-29173
摘要
This study investigated the potential suitability of graphene quantum dots (GQD) and certain edge-functionalized GQDs (GQD-3Xs) as hole transport materials (HTMs) in perovskite solar cells (PSCs). The criteria for appropriate HTMs were evaluated, including solubility, hole mobility, light harvesting efficiency (LHE), exciton binding energy (Eb), hole reorganization energy (λh), hole mobility, and HTM performance. It was found that several of the compounds had higher hole mobility than Spiro-OMeTAD, a commonly used HTM in PSCs. The open circuit voltage and fill factor of the suitable GQD and GQD-3Xs were found to be within appropriate ranges for HTM performance in MAPbI3 PSCs. GQD-COOH and GQD-COOCH3 were identified as the most suitable HTMs due to their high solubility, small λh, and appropriate performance.
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