Colloidal Synthesis, Optical Properties, and Hole Transport Layer Applications of Cu2BaSnS4 (CBTS) Nanocrystals

被引：41
作者：
Chakraborty, Rayan [1 ]
Sim, Kyu Min [3 ]
Shrivastava, Megha [4 ]
Adarsh, K. V. [4 ]
Chung, Dae Sung [3 ]
Nag, Angshuman [1 ,2 ]
机构：
[1] IISER, Dept Chem, Pune 411008, Maharashtra, India
[2] IISER, Ctr Energy Sci, Pune 411008, Maharashtra, India
[3] DGIST, Dept Energy Sci & Engn, Daegu 42988, South Korea
[4] Indian Inst Sci Educ & Res, Dept Phys, Bhopal 462066, India
来源：
ACS APPLIED ENERGY MATERIALS | 2019年 / 2卷 / 05期
关键词：
metal sulfides; Cu2BaSnS4; nanocrystals; colloidal semiconductor nanocrystals; ultrafast carrier dynamics; hole transport layer; photodiode; SOLAR-CELLS; THIN-FILMS; DISSOLUTION; EFFICIENT; CU2ZNSNS4; PHOTODIODES;
D O I：
10.1021/acsaem.9b00473
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cu2BaSnS4 (CBTS) is an emerging earth-abundant and environmentally benign semiconductor. However, there has been no prior report of colloidal CBTS nanocrystals. Here we developed a colloidal synthesis of CBTS nanocrystals by rational design. Photophysical properties of these nanocrystals are elucidated using photoluminescence and ultrafast transient absorption spectroscopy. Finally, thin films of CBTS nanocrystals grown at room temperature are used as the hole transport layer (HTL) in an organic photodiode yielding a high peak specific detectivity (>3.2 x 10(12) Jones) with low noise equivalent power (9.20 x 10(-14) W Hz(0.5)). These results suggest that our colloidal CBTS nanocrystals have potential for optoelectronic applications.
引用
收藏
页码：3049 / 3055
页数：13
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