Reversible Luminescence Switching of an Organic Solid: Controllable On–Off Persistent Room Temperature Phosphorescence and Stimulated Multiple Fluorescence Conversion

Reversible Luminescence Switching of an Organic Solid: Controllable On–Off Persistent Room Temperature Phosphorescence and Stimulated Multiple Fluorescence Conversion

On–off‐switchable, persistent, room‐temperature phosphorescence (373 ms) is realized in organic solids based on bis(4‐(9H‐carbazol‐9‐yl)phenyl)methanone. The reversible on–off RTP switching can be controlled by repeatedly chloroform fuming and heating (or grinding). Multi­ple‐color fluorescence is a...

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Veröffentlicht in:Advanced optical materials 2015-09, Vol.3 (9), p.1184-1190
Hauptverfasser: Li, Chenyu, Tang, Xi, Zhang, Liuqing, Li, Cuihong, Liu, Zhengping, Bo, Zhishan, Dong, Yong Qiang, Tian, Yong‐Hui, Dong, Yuping, Tang, Ben Zhong
Format: Artikel
Sprache:eng
Schlagworte:
Conversion
Fluorescence
fluorescence switching
Heating
Luminescence
mechanochromic phosphorescence
Optics
Organic solids
Phosphorescence
Solvents
Stimuli
Switching
thermochromic
vapochromic
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Beschreibung
Zusammenfassung:On–off‐switchable, persistent, room‐temperature phosphorescence (373 ms) is realized in organic solids based on bis(4‐(9H‐carbazol‐9‐yl)phenyl)methanone. The reversible on–off RTP switching can be controlled by repeatedly chloroform fuming and heating (or grinding). Multi­ple‐color fluorescence is also feasible, and they reversibly convert to each other under the stimuli of heating, shearing, and fuming with varied solvents.
ISSN:2195-1071
2195-1071
DOI:10.1002/adom.201500115