Ultrathin, Core–Shell Structured SiO2 Coated Mn2+‐Doped Perovskite Quantum Dots for Bright White Light‐Emitting Diodes

• Published in: Small (Weinheim an der Bergstrasse, Germany) Vol. 15; no. 19; pp. e1900484 - n/a
• Main Authors: Tang, Xiaosheng, Chen, Weiwei, Liu, Zhengzheng, Du, Juan, Yao, Zhiqiang, Huang, Yi, Chen, Cheng, Yang, Zhaoqi, Shi, Tongchao, Hu, Wei, Zang, Zhigang, Chen, Yu, Leng, Yuxin
• Format: Journal Article
• Language: English
• Published: Weinheim Wiley Subscription Services, Inc 01.05.2019
• Subjects: Anion exchanging; Breakage; Core-shell structure; core–shells; Diodes; Emission spectra; Ion exchange; Light emission; Luminous efficacy; Mn2+‐doping; Nanotechnology; Nanotechnology devices; Optoelectronics; Organic light emitting diodes; Perovskites; Quantum dots; Shell stability; Silicon dioxide; SiO2‐coating; Thermal stability; Toxicity; Trioctylphosphine oxide; Water resistance; White light; white light‐emitting diodes

All‐inorganic semiconductor perovskite quantum dots (QDs) with outstanding optoelectronic properties have already been extensively investigated and implemented in various applications. However, great challenges exist for the fabrication of nanodevices including toxicity, fast anion‐exchange reaction...