Nondestructive halide exchange via SN2-like mechanism for efficient blue perovskite light-emitting diodes

Kai Zhang, Yang Shen, Long-Xue Cao, Zhen-Huang Su, Xin-Mei Hu, Shi-Chi Feng, Bing-Feng Wang, Feng-Ming Xie, Hao-Ze Li, Xingyu Gao, Yan-Qing Li, Jian-Xin Tang · 2024

Read Nondestructive halide exchange via SN2-like mechanism for efficient blue perovskite light-emitting diodes by Kai Zhang, Yang Shen, Long-Xue Cao, Zhen-Huang Su, Xin-Mei Hu, Shi-Chi Feng, Bing-Feng Wang, Feng-Ming Xie, Hao-Ze Li, Xingyu Gao, Yan-Qing Li, Jian-Xin Tang (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11621679.txt.

Description

Kai Zhang and co-authors report a gentle way to tune blue light devices in a 2024 study. The devices use a crystal class called perovskite. Blue forms are hard to make well, since the usual way to shift their color can harm the crystal and add flaws that waste light.

Their post treatment swaps one part of the crystal for another in a smooth, step wise way. The swap shifts color across the blue range while keeping flaw counts low. Devices made this way reached high yields of light for sky blue, pure blue, and deep blue. The method could help make brighter, cleaner blue screens and lamps.

Catalog record

CREATORKai Zhang, Yang Shen, Long-Xue Cao, Zhen-Huang Su, Xin-Mei Hu, Shi-Chi Feng, Bing-Feng Wang, Feng-Ming Xie, Hao-Ze Li, Xingyu Gao, Yan-Qing Li, Jian-Xin Tang
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE42 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11621679

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