Halide Perovskite Crystal Materials and Optoelectronic Devices
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Optical and Photonic Materials".
Deadline for manuscript submissions: 20 July 2025 | Viewed by 820
Special Issue Editor
Special Issue Information
Dear Colleagues,
Halide perovskite single crystals are an emerging material for a diverse range of optoelectronic devices due to their low trap density, superior properties, and low-cost growth. Since 2009, halide perovskite materials have attracted great attention in the optoelectronic field due to their superior properties, including their tunable bandgap, long carrier diffusion length, and high carrier mobility. However, perovskite optoelectronic devices usually suffer from severe stability issues, which correlate intimately with trap-mediated ion migration. Perovskite single crystals, without grain boundaries, exhibit ultra-low trap density and offer a chance for addressing ion migration and stability issues. The intrinsic optoelectronic properties of halide perovskite single crystals were first investigated in 2015 based on bulk single crystals. After that, perovskite single crystals with different morphologies have been prepared, including single-crystal films, nanowires, and nanocrystals, that satisfy the requirement of a diverse range of optoelectronic applications. For example, the efficiency of single-crystal perovskite solar cells has rocketed from 6.5% to 24.3% after only several years of development. The sensitivity and detection limit of single-crystal perovskite are much better than its commercial counterparts.
This Special Issue aims to collect recent investigations of halide perovskite single-crystal growth and device application and promote the future development of this emerging research field. This Special Issue will focus on the growth and optimization of halide perovskite single crystals as well as their optoelectronic applications, including X-ray detectors, light-emitting diodes, field-effect transistors, etc.
We encourage researchers to submit their latest original research articles, perspectives, or reviews on themes that include, but are not limited to, the following:
- Novel growth strategies to modulate the defects, quality, and carrier transport properties of halide perovskite single crystals;
- Explorations of novel properties and applications of halide perovskite crystals;
- Designs of halide perovskite single crystals with new compositions, in particular, with lead-free materials;
- Advanced device structures and performance based on perovskite single crystals;
- Degradation mechanisms of halide perovskite single-crystal materials and devices.
Prof. Dr. Zhaolai Chen
Guest Editor
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Keywords
- perovskite crystals
- growth strategy
- halide perovskite crystals
- perovskite crystals devices
- halide perovskite materials
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