DataVXAdvanced Energy MaterialsPaper
journal article·2024-02Open access

Multi‐Facet Passivation of Ternary Colloidal Quantum Dot Enabled by Quadruple‐Ligand Ensemble toward Efficient Lead‐Free Optoelectronics (Adv. Energy Mater. 7/2024)

Dongeon Kim, Gaeun Cho, Yun Hoo Kim, Ji Hyun Kwon, Yeonwoo Oh, Minjung Yang, Seungin Jee, In Suh Lee, Min‐Jae Si, Yujin Jung, Ho Yeon Yang, Yongnam Ahn, Beom‐Kwan Kim, Changjo Kim, Han Seul Kim, Se‐Woong Baek

Advanced Energy Materials· Volume 14· Issue 7
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Source abstract

Abstract

Optoelectronics In article number 2302579, Han Seul Kim, Se-Woong Baek, and co-workers proposed a multi-faceted passivation strategy for nontoxic ternary compound AgBiS2 colloidal quantum dots (CQDs). The quadruple-ligand ensemble enabled stableCQDink formation and reduced the trap density of theCQDsolids. Finally, high performance lead-free optoelectronics were demonstrated, and the optimal device achieved a power conversion efficiency of 8.1% and a fast response time of 400 ns.
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Research context

Electronic materials

OpenAlex topics: Quantum Dots Synthesis And Properties · Molecular Junctions and Nanostructures · Gold and Silver Nanoparticles Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical and Biological Engineering Korea University Seoul 02841 Republic of Korea

Division of National Supercomputing R&D Korea Institute of Science and Technology Information (KISTI) Daejeon 34141 Republic of Korea

Institute for Energy Technology Korea University Seoul 02841 Republic of Korea

Nanotechnology and Advanced Spectroscopy Team, C‐PCS, Chemistry Division Los Alamos National Laboratory Los Alamos NM USA

Department of Advanced Materials Engineering Chungbuk National University Cheongju Chungbuk 28644 Republic of Korea

Department of Urban Energy Environmental Engineering Chungbuk National University Cheongju Chungbuk 28644 Republic of Korea

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