scholarly journals Multilevel Data Encryption Using Thermal-Treatment Controlled Room Temperature Phosphorescence of Carbon Dot/Polyvinylalcohol Composites

2018 ◽  
Vol 5 (9) ◽  
pp. 1800795 ◽  
Author(s):  
Zhen Tian ◽  
Di Li ◽  
Elena V. Ushakova ◽  
Vladimir G. Maslov ◽  
Ding Zhou ◽  
...  
Keyword(s):  
Thermal Treatment ◽  
Room Temperature ◽  
Data Encryption ◽  
Multilevel Data ◽  
Room Temperature Phosphorescence ◽  
Carbon Dot

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...

Aggregation-Induced Room-Temperature Phosphorescence Obtained from Water-Dispersible Carbon Dot-Based Composite Materials

2020 ◽  
Vol 12 (9) ◽  
pp. 10791-10800 ◽  
Author(s):  
Chan Wang ◽  
Yueyue Chen ◽  
Yalan Xu ◽  
Guoxia Ran ◽  
Yimin He ◽  
...  
Keyword(s):  
Composite Materials ◽  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Carbon Dot ◽  
Water Dispersible

Lifetime-tunable room-temperature phosphorescence of polyaniline carbon dots in adjustable polymer matrices

Nanoscale ◽  
2019 ◽  
Vol 11 (39) ◽  
pp. 18311-18319 ◽  
Author(s):  
Huilin Gou ◽  
Yanfeng Liu ◽  
Guiyang Zhang ◽  
Qiaobo Liao ◽  
Xin Huang ◽  
...  
Keyword(s):  
Carbon Dots ◽  
Room Temperature ◽  
Data Encryption ◽  
Polymer Matrices ◽  
Room Temperature Phosphorescence ◽  
Time Resolved ◽  
Hydrogen Bonded

A series of room-temperature composites were synthesized by embedding polyaniline carbon dots in hydrogen-bonded polymer matrices. Adjustable RTP lifetime are realized, enabling time-resolved anti-counterfeit and data encryption patterns.

scholarly journals Ultralong room-temperature phosphorescence of a solid-state supramolecule between phenylmethylpyridinium and cucurbit[6]uril

2019 ◽  
Vol 10 (33) ◽  
pp. 7773-7778 ◽  
Author(s):  
Zhi-Yuan Zhang ◽  
Yu Liu
Keyword(s):  
Solid State ◽  
Room Temperature ◽  
Data Encryption ◽  
Intersystem Crossing ◽  
Nonradiative Relaxation ◽  
Room Temperature Phosphorescence

We report an ultralong room-temperature phosphorescence (2.62 s) based on cucurbit[6]uril host and phenyl-methyl-pyridinium guest for data encryption. Encapsulation of CB[6] boosts intersystem crossing and suppresses nonradiative relaxation of guest.

Efficient long lifetime room temperature phosphorescence of carbon dots in a potash alum matrix

2015 ◽  
Vol 3 (12) ◽  
pp. 2798-2801 ◽  
Author(s):  
Xinwei Dong ◽  
Liangming Wei ◽  
Yanjie Su ◽  
Zhongli Li ◽  
Huijuan Geng ◽  
...  
Keyword(s):  
Carbon Dots ◽  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Composite Powders ◽  
Carbon Dot ◽  
Long Lifetime

Carbon dot composite powders show long phosphorescence lifetimes when the carbon dots are dispersed into a potash alum matrix.

Ultralong-lived room temperature phosphorescence from N and P codoped self-protective carbonized polymer dots for confidential information encryption and decryption

2021 ◽  
Vol 9 (14) ◽  
pp. 4847-4853
Author(s):  
Zifei Wang ◽  
Jian Shen ◽  
Jiazhen Sun ◽  
Bin Xu ◽  
Zhenhua Gao ◽  
...  
Keyword(s):  
Information Security ◽  
Decay Time ◽  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Confidential Information ◽  
Carbon Dot ◽  
Polymer Dots ◽  
Encryption And Decryption

N and P codoped carbonized polymer dots (NP-CPDs) exhibit a relatively long RTP decay time over 23 s among most carbon dot-based RTP materials reported thus far. Such NP-CPDs are applied to illustrate applications in information security.

Highly Efficient Carbon Dots Based Room-Temperature Fluorescence–Phosphorescence Dual Emitter

2021 ◽  
Author(s):  
Biao Zhao ◽  
Runnan Yu ◽  
Kunxiang Xu ◽  
Chao Zou ◽  
Huanyu Ma ◽  
...  
Keyword(s):  
Carbon Dots ◽  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Carbon Dot ◽  
Highly Efficient ◽  
Huge Challenge

Carbon dot (CD)-based room temperature phosphorescence nanomaterials are currently drawing enormous attention. However, constructing fluorescence–phosphorescence dual emissive CDs (FP-CDs) is still a huge challenge due to the limited preparation strategies....

Room temperature phosphorescence from moisture-resistant and oxygen-barred carbon dot aggregates

2017 ◽  
Vol 5 (25) ◽  
pp. 6243-6250 ◽  
Author(s):  
Yonghao Chen ◽  
Jiangling He ◽  
Chaofan Hu ◽  
Haoran Zhang ◽  
Bingfu Lei ◽  
...  
Keyword(s):  
Carbon Dots ◽  
Room Temperature ◽  
Room Temperature Phosphorescence ◽  
Carbon Dot ◽  
Moisture Resistant

Aggregation-induced room temperature phosphorescence of carbon dots was first found and the relevant mechanism was investigated.

Proton‐Activated Amorphous Room‐Temperature Phosphorescence for Humidity Sensing and High‐Level Data Encryption

2020 ◽  
Vol 15 (7) ◽  
pp. 1088-1093
Author(s):  
Yuchen Deng ◽  
Peng Li ◽  
Shujuan Sun ◽  
Haiyan Jiang ◽  
Xu Ji ◽  
...  
Keyword(s):  
Room Temperature ◽  
Data Encryption ◽  
Room Temperature Phosphorescence ◽  
Humidity Sensing ◽  
Level Data ◽  
High Level
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