Infrared-harvesting colloidal quantum dot inks for efficient photovoltaics: Impact of surface chemistry and device engineering  

作　　者：Younghoon Kim Min-Jae Choi Jongmin Choi 

机构地区：[1]Department of Chemistry,Kookmin University,Seoul,02707,Republic of Korea [2]Department of Chemical and Biochemical Engineering,Dongguk University,Seoul,04620,Republic of Korea [3]Department of Energy Science and Engineering,Daegu Gyeongbuk Institute of Science and Technology(DGIST),Daegu,42988,Republic of Korea

出　　处：《Journal of Materials Science & Technology》2023年第16期224-240,共17页材料科学技术（英文版）

基　　金：supported by the National Research Foundation of Korea(NRF)grant funded by the Korea government(MSIT)of the Republic of Korea(Nos.2020R1C1C1003214,2021M3H_(4)A3A01063605,2021R1A4A3024237,and 2020R1C1C1012256).

摘　　要：Colloidal quantum dots(CQDs)are promising semiconducting materials,which can be used as a photoactive layer in various optoelectronic applications,because of their size-tunable bandgap energy,solution processability,and excellent optical and optoelectronic properties.In particular,these features have generated great interest in the development of CQD solar cells and led to a rapid increase in their power conversion efficiency.These improvements were enabled by many innovative approaches in terms of CQD’s surface chemistry and device architecture optimizations.In this review,a critical overview of the research progress in CQD solar cells is presented with a focus on the strategies adopted for achieving record efficiency in CQD solar cells.These strategies include the use of organic/inorganic surface ligands,pre-and post-treatment of CQDs,and solid-state/solution-phase ligand exchange.Additionally,we provide an understanding of the research history to inspire the rational design of next-generation CQD optoelectronic devices,such as solar cells,light-emitting diodes,and photodetectors.Recent research on the development of infrared CQD solar cells as complementary platforms to other solar cell technologies is also critically discussed to provide another perspective on CQD technologies.

关 键 词：Quantum dot Lead sulfide Ligand exchange Colloidal ink Infrared light Solar cell 

分 类 号：TB383.1[一般工业技术—材料科学与工程] O657.3[理学—分析化学]