journal article·2023-11

Post‐Treatment of Metal Halide Perovskites: From Morphology Control, Defect Passivation to Band Alignment and Construction of Heterostructures

Min Hu, Yanqing Zhu, Zhongmin Zhou, Mingwei Hao, Chinnatip Harnmanasvate, Jutharat Waiyawat, Yulong Wang, Jianfeng Lu, Qinyou An, Xiong Li, Tian Zhang, Yuanyuan Zhou, Rongrong Cheacharoen, Yaoguang Rong

Advanced Energy Materials· Volume 13· Issue 41
Publisher page

Abstract

Abstract Metal halide perovskite solar cells (PSCs) have witnessed a swift increase in power conversion efficiency in the past decade, emerging as one of the most promising next‐generation photovoltaic technologies for commercialization and low‐carbon energy generation. Through significant efforts in optimizing the processing techniques, high‐quality perovskite thin films can now be prepared with polycrystalline morphologies consisting of monolayer grains. Nevertheless, defects and microstructural disorders still form at the surface/heterointerface and in the bulk of the films. Post‐treatment of the as‐crystallized films has been intensively investigated for passivating these defects, being proved effective for improving the device performance. In this review, the versatile strategies for post‐treating the surface of perovskite thin films toward morphology control, defect passivation, and band alignment are discussed. The tailored surface properties are correlated to charge dynamics at interfaces and photovoltaic performance of PSCs. Since the perovskite heterostructures prepared by simple post‐treatments may suffer from degradation at high temperatures, the recent advances in preparing phase‐pure and stable perovskite heterostructures are also discussed. Finally, a perspective elaborating future opportunities for further enhancing the efficiency and stability of PSCs is provided.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films

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

Affiliations

School of Electronic and Electrical Engineering Hubei Province Engineering Research Centre for Intelligent Micro‐Nano Medical Equipment and Key Technologies Wuhan Textile University Wuhan Hubei 430200 P. R. China

State Key Laboratory of Silicate Materials for Architectures Wuhan University of Technology Wuhan 430070 P. R. China

Department of Physics Hong Kong Baptist University Kowloon Hong Kong SAR 99077 China

International Graduate Program of Nanoscience & Technology Chulalongkorn University Bangkok 10330 Thailand

Metallurgy and Materials Science Research Institute Chulalongkorn University Bangkok 10330 Thailand

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan 430070 P. R. China

Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan Hubei 430074 P. R. China

School of Chemistry Chemical Engineering and Life Sciences Wuhan University of Technology Wuhan Hubei 430070 P. R. China

Department of Chemical and Biological Engineering The Hong Kong University of Science and Technology Clear Water Bay Hong Kong SAR P. R. China

Funding

Chulalongkorn University · National Key Research and Development Program of China · National Natural Science Foundation of China · Natural Science Foundation of Hubei Province · State Key Laboratory of Advanced Technology for Materials Synthesis and Processing

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