Silica shelled and block copolymer encapsulated red-emissive AIE nanoparticles with 50% quantum yield for two-photon excited vascular imaging

2015 ◽  
Vol 51 (69) ◽  
pp. 13416-13419 ◽  
Author(s):  
Junlong Geng ◽  
Chi Ching Goh ◽  
Wei Qin ◽  
Rongrong Liu ◽  
Nikodem Tomczak ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Block Copolymer ◽  
Quantum Yield ◽  
Vascular Imaging ◽  
Aggregation Induced Emission ◽  
Protection Strategy ◽  
Two Photon ◽  
Transfer Characteristics ◽  
Small Nanoparticles

A polymer and silica co-protection strategy has been developed to encapsulate organic fluorogens with aggregation-induced emission and charge transfer characteristics into small nanoparticles (NPs).

Organic nanoparticles with ultrahigh quantum yield and aggregation-induced emission characteristics for cellular imaging and real-time two-photon lung vasculature imaging

2018 ◽  
Vol 6 (17) ◽  
pp. 2630-2636 ◽  
Author(s):  
Jie Liu ◽  
Maximilien Evrard ◽  
Xiaolei Cai ◽  
Guangxue Feng ◽  
Nikodem Tomczak ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Real Time ◽  
Cellular Imaging ◽  
Emission Characteristics ◽  
High Quantum Yield ◽  
Organic Nanoparticles ◽  
Aggregation Induced Emission ◽  
Two Photon ◽  
High Quantum

Organic nanoparticles with a high quantum yield of 90% and aggregation-induced emission characteristics were prepared for cellular imaging and real-time two-photon vasculature imaging of the lungs.

scholarly journals Ultrasmall Organic Nanoparticles with Aggregation-Induced Emission and Enhanced Quantum Yield for Fluorescence Cell Imaging

2016 ◽  
Vol 88 (15) ◽  
pp. 7853-7857 ◽  
Author(s):  
Suying Xu ◽  
Xilin Bai ◽  
Jingwen Ma ◽  
Minmin Xu ◽  
Gaofei Hu ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Cell Imaging ◽  
Organic Nanoparticles ◽  
Aggregation Induced Emission

scholarly journals Modulation of charge transfer by N-alkylation to control photoluminescence energy and quantum yield

2020 ◽  
Vol 11 (27) ◽  
pp. 6990-6995 ◽  
Author(s):  
Andrew T. Turley ◽  
Andrew Danos ◽  
Antonio Prlj ◽  
Andrew P. Monkman ◽  
Basile F. E. Curchod ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Quantum Yield ◽  
Excited States

A versatile N-alkylation strategy controls the presence of charge-transfer excited states and the emission colour of N-heterocyclic chromophores.

Substituent effects on the aggregation-induced emission and two-photon absorption properties of triphenylamine–dibenzo[a,c]phenazine adducts

2017 ◽  
Vol 1 (7) ◽  
pp. 1396-1405 ◽  
Author(s):  
Ji Yang ◽  
Yuting Gao ◽  
Tao Jiang ◽  
Wen Liu ◽  
Chenchen Liu ◽  
...  
Keyword(s):  
Substituent Effects ◽  
Photon Absorption ◽  
Absorption Properties ◽  
Aggregation Induced Emission ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Combined Features

Non-substituted and alkyl-substituted triphenylamine–dibenzo[a,c]phenazine adducts (Q1–Q3) showed the combined features of ICT plus AEE, while the alkoxy-substituted Q4–Q5 exhibited obvious AIE effects.

Novel A–(π–D–π–A)1–3 branched fluorophores displaying high two-photon absorption

RSC Advances ◽  
2016 ◽  
Vol 6 (52) ◽  
pp. 46853-46863 ◽  
Author(s):  
Zhi-Bin Cai ◽  
Hai-Min Shen ◽  
Mao Zhou ◽  
Sheng-Li Li ◽  
Yu-Peng Tian
Keyword(s):  
Charge Transfer ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon ◽  
End Groups

Novel A–(π–D–π–A)3 compounds bearing pyridine end groups are apparently effective in achieving large two-photon responses owing to strong charge transfer.

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