Cool white, persistent room-temperature phosphorescence in carbon dots embedded in a silica gel matrix

2017 ◽  
Vol 19 (23) ◽  
pp. 15137-15144 ◽  
Author(s):  
Julin Joseph ◽  
Aji A. Anappara
Keyword(s):  
Silica Gel ◽  
Carbon Dots ◽  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Phosphorescence Emission

Cool white room temperature phosphorescence emission of carbon dots embedded in a silica gel matrix.

Pure room temperature phosphorescence emission of organic host-guest doped system with quantum efficiency of 64%

2021 ◽  
Author(s):  
Xiaoqing Liu ◽  
Wenbo Dai ◽  
Qian Junjie ◽  
Yunxiang Lei ◽  
Miaochang Liu ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Halogen Atoms ◽  
System P ◽  
Phosphorescence Emission

A new doped system with pure phosphorescent emission is constructed using four 1-(4-(diphenylamino)phenyl)-2-phenylethan-1-one derivatives containing halogen atoms as the guests and benzophenone as the host. That is, the doped system...

scholarly journals A Facile Co-crystallization Approach to Fabricate Two-component Carbon Dots Composites Showing Time-Dependent Evolutive Room Temperature Phosphorescence Colors

2021 ◽  
Author(s):  
Jian Qu ◽  
Xin Zhang ◽  
Zhong-Jie Wang ◽  
Shuyan Zhang ◽  
Yejian Yu ◽  
...  
Keyword(s):  
Carbon Dots ◽  
Room Temperature ◽  
Data Encryption ◽  
Time Dependent ◽  
Security Level ◽  
Room Temperature Phosphorescence ◽  
Two Component ◽  
Carbon Based

Time-dependent evolutive afterglow materials can increase the security level by providing additional encryption modes in anti-counterfeiting and data encryption. The design of carbon-based materials with dynamic afterglow colors is attractive...

scholarly journals A room temperature phosphorescence encoding [2]rotaxane molecular shuttle

2016 ◽  
Vol 7 (7) ◽  
pp. 4582-4588 ◽  
Author(s):  
Xiang Ma ◽  
Jing Zhang ◽  
Jingjing Cao ◽  
Xuyang Yao ◽  
Tiantian Cao ◽  
...  
Keyword(s):  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Acid Base ◽  
Phosphorescence Emission ◽  
Molecular Shuttle

The shuttling of an acid–base switchable bistable [2]rotaxane is addressed by room temperature phosphorescence emission signals.

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