Navigating the Site-Distinct Energy Conversion Properties of Perovskite Quantum Wells
Source abstract
Abstract
Two-dimensional (2D) halide perovskites (HPs) are self-assembled multi-quantum wells with excitonic peculiarities. They afford favorable moisture and photothermal stability compared to traditional 3D counterparts. However, the energy conversion properties of 2D HPs are highly site-distinct, and they are found to have complicated origins that are associated with diverse local exciton relaxation dynamics, hence causing researchers severe bewilderment when targeting customized applications. This Review intends to offer a thorough survey on this topic. We first introduce the crystallographic structures of 2D HPs and how they render a quantum-well electronic structure. Subsequently, we elaborate on the exciton transport mechanisms in 2D HPs to interpret how excitons arrive at various local sites. Then we concretely introduce the diversiform local/bulk exciton relaxation dynamics that give rise to the wealthy energy conversion attributes. Finally, challenges and opportunities for better understanding and manipulating the exciton dynamics of this promising class of materials are discussed.
Source: openalex_inverted_index · Quality: baseline
Research context
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
SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China
Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China
Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore
Institute for Functional Intelligent Materials, National University of Singapore, 117544, Singapore
Funding
Universidade de Macau · Ministry of Education of the People's Republic of China · China Postdoctoral Science Foundation · Science, Technology and Innovation Commission of Shenzhen Municipality · Fundo para o Desenvolvimento das Ci?ncias e da Tecnologia · National Natural Science Foundation of China · Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials · Shenzhen-Hong Kong-Macao Science and Technology Innovation Project
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