纳米晶
卤化物
钙钛矿(结构)
材料科学
量子点
纳米技术
面(心理学)
化学
结晶学
无机化学
五大性格特征
心理学
社会心理学
人格
出处
期刊:ACS energy letters
[American Chemical Society]
日期:2020-12-08
卷期号:6 (1): 92-99
被引量:48
标识
DOI:10.1021/acsenergylett.0c02099
摘要
Lead halide perovskite nanocrystals have recently emerged as the workhorse in quantum dot research for their unprecedented high brightness and tunable colors in the most in-demand red–green–blue windows. In most cases, it was revealed that these nanocrystals typically retain the hexahedron cubic or platelet shape. This has been observed for all lead halide perovskites, including mixed halides and hybrid perovskites. Hence, the big question remains whether multifaceted nanocrystals other than nanocubes remained synthetically challenging or the material preferred to retain the stable cube structure with particular lead halide octahedra arrangements. Multifaceted nanocrystals have several advantages because these might trigger anisotropic growth, self-assembly, and oriented attachment and also generate more efficient adsorption sites for catalysis. Keeping all these issues in mind, this Perspective discusses several successes and challenges in facet tuning of these nanocrystals and provides several concepts in generating new facets during their synthesis.
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