Dual-Ring-Locking Strategy Enables Persistent Blue Room Temperature Phosphorescence in Benzo[b]phospholiums DOI
Bo Yang,

Suqiong Yan,

Shirong Ban

и другие.

Inorganic Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Март 18, 2025

Commercial phosphines and phosphoniums were commonly reported to have unstable triplet dissipation because of the flexible C-P pyramidal geometry, resulting in extremely weak or no phosphorescence. To boost populations stability by restricting molecular motion rebuilding electronic structures, we that dual-ring-locking strategy could enable elevated intersystem crossing (ISC) radiation for rigid benzo[b]phospholium configuration, exhibiting intense persistent room temperature phosphorescence (RTP) poly(vinyl alcohol) (PVA). Among them, dual-ring-locked [P1]+[Cl]- showed near-ultraviolet fluorescence maximized at 400 nm dichloromethane blue RTP emission 453 (Φphos ≈ 12.4%, τphos > 1200 ms) PVA matrix. In contrast, [P2]+[Cl]- possessed a single ring-locked nucleus had red-shifted < 1.8%, = 74.2 ms). Time-dependent density functional theory (TD-DFT) disclosed improved spin-flipping benefited from integrated π-π*/n-π* transition, rational split energy, excited states. The impressive OU-RTP duration function as an afterglow pattern optical encryption emitting layer light-emitting diode (LED) applications.

Язык: Английский

Chiral cocrystals with circularly polarized persistent phosphorescence and large second harmonic generation DOI
Yongbo Peng,

Guoxing Zhou,

Rongyan Zhang

и другие.

Surfaces and Interfaces, Год журнала: 2025, Номер unknown, С. 106114 - 106114

Опубликована: Фев. 1, 2025

Язык: Английский

Процитировано

0
Dual-Ring-Locking Strategy Enables Persistent Blue Room Temperature Phosphorescence in Benzo[b]phospholiums DOI
Bo Yang,

Suqiong Yan,

Shirong Ban

и другие.

Inorganic Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Март 18, 2025

Commercial phosphines and phosphoniums were commonly reported to have unstable triplet dissipation because of the flexible C-P pyramidal geometry, resulting in extremely weak or no phosphorescence. To boost populations stability by restricting molecular motion rebuilding electronic structures, we that dual-ring-locking strategy could enable elevated intersystem crossing (ISC) radiation for rigid benzo[b]phospholium configuration, exhibiting intense persistent room temperature phosphorescence (RTP) poly(vinyl alcohol) (PVA). Among them, dual-ring-locked [P1]+[Cl]- showed near-ultraviolet fluorescence maximized at 400 nm dichloromethane blue RTP emission 453 (Φphos ≈ 12.4%, τphos > 1200 ms) PVA matrix. In contrast, [P2]+[Cl]- possessed a single ring-locked nucleus had red-shifted < 1.8%, = 74.2 ms). Time-dependent density functional theory (TD-DFT) disclosed improved spin-flipping benefited from integrated π-π*/n-π* transition, rational split energy, excited states. The impressive OU-RTP duration function as an afterglow pattern optical encryption emitting layer light-emitting diode (LED) applications.

Язык: Английский

Процитировано

0