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Colloidal Synthesis, Optical Properties, and Hole Transport Layer Applications of Cu 2 BaSnS 4 (CBTS) Nanocrystals

Title
Colloidal Synthesis, Optical Properties, and Hole Transport Layer Applications of Cu 2 BaSnS 4 (CBTS) Nanocrystals
Authors
Chakraborty, RayanSim, Kyu MinShrivastava, MeghaAdarsh, K.V.Chung, Dae SungNag, Angshuman
DGIST Authors
Chung, Dae Sung
Issue Date
2019-05
Citation
ACS Applied Energy Materials, 2(5), 3049-3055
Type
Article
Article Type
Article
Author Keywords
metal sulfidesCu2BaSnS4 nanocrystalscolloidal semiconductor nanocrystalsultrafast carrier dynamicshole transport layerphotodiode
Keywords
SOLAR-CELLSTHIN-FILMSDISSOLUTIONEFFICIENTCU2ZNSNS4PHOTODIODES
ISSN
2574-0962
Abstract
Cu 2 BaSnS 4 (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 × 10 12 Jones) with low noise equivalent power (9.20 × 10 -14 W Hz 0.5 ). These results suggest that our colloidal CBTS nanocrystals have potential for optoelectronic applications. © 2019 American Chemical Society.
URI
http://hdl.handle.net/20.500.11750/9887
DOI
10.1021/acsaem.9b00473
Publisher
American Chemical Society
Files:
There are no files associated with this item.
Collection:
Department of Energy Science and EngineeringPolymer Energy Materials Lab1. Journal Articles


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