Fully‐Inorganic Trihalide Perovskite Nanocrystals: A New Research Frontier of Optoelectronic Materials

• Published in: Advanced materials (Weinheim) Vol. 29; no. 32
• Main Authors: He, Xianghong, Qiu, Yongcai, Yang, Shihe
• Format: Journal Article
• Language: English
• Published: Germany Wiley Subscription Services, Inc 01-08-2017
• Subjects: Control stability; Lasing; LEDs; Materials science; morphology control; Nanocrystals; Optoelectronics; Phase transitions; Photoluminescence; Photovoltaic cells; Properties (attributes); Solar cells; Structural stability; LEDs; solar cells; optoelectronics; nanocrystals; morphology control
• ISSN: 0935-9648; 1521-4095
• DOI: 10.1002/adma.201700775

All‐inorganic trihalide perovskite nanocrystals (NCs) are emerging as a new class of superstar semiconductors with excellent optoelectronic properties and great potential for a broad range of applications in lighting, lasing, photon detection, and photovoltaics. This article provides an up‐to‐date review on the developments of fully‐inorganic trihalide perovskite NCs by emphasizing their controllable solution fabrication strategies, structural phase transformation, tunable optoelectronic properties, stability, as well as their photovoltaic and optoelectronic applications. Among the properties to be surveyed, particular focus is on the size‐, shape‐, and composition‐dependent photoluminescence properties. Finally, by identifying new challenges, suggestions are provided for further research and potential development of this area.
The fundamental aspects of fully‐inorganic trihalide perovskite nanocrystals as a new class of superstar semiconductors are briefly reviewed. In addition to excellent optoelectronic properties and broad range of applications, the controllable fabrication strategies, structure transformation and stability are comprehensively discussed. Some sugestions for improving the nanomaterials and device performance and potential development of this area in the near future are also proposed.