Lone Pairs-Mediated Multiple Through-Space Interactions for Efficient Room-Temperature Phosphorescence DOI
Fulong Ma, Bo Wu, Siwei Zhang

и другие.

Journal of the American Chemical Society, Год журнала: 2025, Номер unknown

Опубликована: Март 18, 2025

The simultaneous generation and stabilization of triplet excitons are the key to realizing efficient organic room temperature phosphorescence (RTP), which is challenging owing obscure mechanism structure-property relationships. Herein, a strategy lone-pair-mediated multiple through-space interactions (TSIs) proposed availably induce RTP. By incorporating heteroatoms facilitate n-n n-π interactions, lone pairs delocalized throughout structure, resulting in dense splitting excited-state energy levels. Thus, more matched levels with small gap between singlet states (ΔEST) emerge, intersystem crossing (ISC) transition channels that assist generation. strong TSIs also effectively rigidify molecular structures thus stabilize for radiation. Furthermore, manipulation TSI intensity allows efficiency enhancement, persistent time prolongation, tolerance high temperatures This work not only explores fundamental principle RTP from new view but provides universal ISC promotion triple stabilization.

Язык: Английский

Li, Na, and Cs-based metal-organic frameworks for room temperature phosphorescence applications DOI
Jiaqi Ma, Rui Feng,

Yanyuan Jia

и другие.

Science China Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Янв. 7, 2025

Язык: Английский

Процитировано

0
Lone Pairs-Mediated Multiple Through-Space Interactions for Efficient Room-Temperature Phosphorescence DOI
Fulong Ma, Bo Wu, Siwei Zhang

и другие.

Journal of the American Chemical Society, Год журнала: 2025, Номер unknown

Опубликована: Март 18, 2025

The simultaneous generation and stabilization of triplet excitons are the key to realizing efficient organic room temperature phosphorescence (RTP), which is challenging owing obscure mechanism structure-property relationships. Herein, a strategy lone-pair-mediated multiple through-space interactions (TSIs) proposed availably induce RTP. By incorporating heteroatoms facilitate n-n n-π interactions, lone pairs delocalized throughout structure, resulting in dense splitting excited-state energy levels. Thus, more matched levels with small gap between singlet states (ΔEST) emerge, intersystem crossing (ISC) transition channels that assist generation. strong TSIs also effectively rigidify molecular structures thus stabilize for radiation. Furthermore, manipulation TSI intensity allows efficiency enhancement, persistent time prolongation, tolerance high temperatures This work not only explores fundamental principle RTP from new view but provides universal ISC promotion triple stabilization.

Язык: Английский

Процитировано

0