DataVXACS Applied Energy MaterialsPaper
journal article·2023-05-22

Hexagonal Lead-Free Cs2AgBiI6 Perovskite Nanocrystals: A Promising Material for Solar Cell Application

Yueli Liu, Yifan Huang, Zifan Yang, Yipeng Li, Jie Xu, Huizhong Li, Wen Chen, Keqiang Chen

ACS Applied Energy Materials· Volume 6· Issue 10
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Source abstract

Abstract

Lead halide perovskite (LHP) nanocrystals (NCs) have extensive applications in optoelectronics. However, their high toxicity and low stability inhibit their commercialization. Herein, lead-free Cs 2 AgBiI 6 NCs with a hexagonal phase are synthesized using a hot-injection process, which exhibit a band gap of 2.29 eV, a high absorption coefficient (∼2.8 × 10 5 cm –1 ), and a symmetric and narrow photoluminescence peak (full width at half-maximum = 10 nm). In addition, the hexagonal Cs 2 AgBiI 6 NC films exhibit high resistance to heat, humidity, and illumination in air. Solar cells based on hexagonal Cs 2 AgBiI 6 NCs are fabricated for the first time, achieving a power conversion efficiency (PCE) of 0.076%, which confirms its promising potential for photovoltaic applications.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsElectronic materials

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · 2D Materials and Applications

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

Affiliations

State Key Laboratory of Silicate Materials for Architectures, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, P. R. China

Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P. R. China

Zhejiang Institute, China University of Geosciences, Hangzhou 311305, P. R. China

Funding

State Key Laboratory of Silicate Materials for Architectures · Natural Science Foundation of Shenzhen City · Central University Basic Research Fund of China · Natural Science Foundation of Hubei Province · State Key Laboratory of Advanced Technology for Materials Synthesis and Processing · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Natural Science Foundation of Zhejiang Province · Hainan Provincial Joint Project of Sanya Yazhou Bay Science and Technology City · Guangdong Basic and Applied Basic Research Foundation · Students Innovation and Entrepreneurship Training Program

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