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Solution-Processed, Ultrathin Solar Cells from CdCl3--Capped CdTe Nanocrystals: The Multiple Roles of CdCl3- Ligands

Title
Solution-Processed, Ultrathin Solar Cells from CdCl3--Capped CdTe Nanocrystals: The Multiple Roles of CdCl3- Ligands
Author
장재영
Keywords
MATCHED MOLECULAR SOLDERS;; QUANTUM-DOT SOLIDS; COLLOIDAL NANOCRYSTALS; GRAIN-GROWTH; SURFACE LIGANDS; TRANSISTORS; INTERFACES; TRANSPORT; DESIGN; HALIDE
Issue Date
2016-06
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v. 138, NO 24, Page. 7464-7467
Abstract
Solution-processed CdTe solar cells using CdTe nanocrystal (NC) ink may offer an economically viable route for large-scale manufacturing. Here we design a new CdCl3--capped CdTe NC ink by taking advantage of novel surface chemistry. In this ink, CdCl3- ligands act as surface ligands, sintering promoters, and dopants. Our solution chemistry allows obtaining very thin continuous layers of high-quality CdTe which is challenging for traditional vapor transport methods. Using benign solvents, in air, and without additional CdCl2 treatment, we obtain a well-sintered CdTe absorber layer from the new ink and demonstrate thin-film solar cells with power conversion efficiency over 10%, a record efficiency for sub 400 nm thick CdTe absorber layer.
URI
https://pubs.acs.org/doi/10.1021/jacs.6b03240http://repository.hanyang.ac.kr/handle/20.500.11754/72037
ISSN
0002-7863
DOI
10.1021/jacs.6b03240
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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