Remarkable solid-state fluorescence change from the visible to the near-infrared region based on the protonation/deprotonation of an AIEgen

2020 ◽  
Vol 4 (11) ◽  
pp. 3378-3383
Author(s):  
Yangyang Li ◽  
Xian Wang ◽  
Lei Zhang ◽  
Luqi Liu ◽  
Qiusheng Wang ◽  
...  
Keyword(s):  
Solid State ◽  
Near Infrared ◽  
Infrared Region ◽  
Acid Base ◽  
Fluorescence Switch ◽  
Fluorescence Change ◽  
Nir Emission ◽  
Solid State Fluorescence ◽  
Near Infrared Region

An AIEgen exhibits a fluorescence switch between the visible and the NIR region upon acid/base stimuli, and accessible solid-state NIR emission.

Ligand Influence Versus Electronic Configuration of d-metal Ion in Determining the Fate of NIR Emission from LnIII Ions: A Case Study with CuII, NiII and ZnII Complexes.

2021 ◽  
Author(s):  
Abhineet Verma ◽  
Sk Saddam Hossain ◽  
Sailaja S Sunkari ◽  
Joseph Reibenspies ◽  
Satyen Saha
Keyword(s):  
Metal Ion ◽  
Selection Rule ◽  
Near Infrared ◽  
Electronic Configuration ◽  
Infrared Region ◽  
Direct Excitation ◽  
Characteristic Emission ◽  
Nir Emission ◽  
Near Infrared Region

Lanthanides (LnIII) are well known for their characteristic emission in the Near-Infrared Region (NIR). However, direct excitation of lanthanides is not feasible as described by Laporte’s parity selection rule. Here,...

scholarly journals Solid-state emissive O-BODIPY dyes with bimodal emissions across red and near infrared region

RSC Advances ◽  
2019 ◽  
Vol 9 (28) ◽  
pp. 16246-16251 ◽  
Author(s):  
H. A. Abdulhadi El-Ali ◽  
Jing Jing ◽  
Xiaoling Zhang
Keyword(s):  
Solid State ◽  
Fluorescent Probes ◽  
Hela Cells ◽  
Near Infrared ◽  
Infrared Region ◽  
Near Infrared Region ◽  
Low Cytotoxicity

We develop O-BODIPY based fluorescent probes which exhibit strong bimodal solid-state emissions across red and NIR regions, tracking lysosomes in HeLa cells with low cytotoxicity.

CEE-active red/near-infrared fluorophores with triple-channel solid-state “ON/OFF” fluorescence switching

2014 ◽  
Vol 2 (35) ◽  
pp. 7385-7391 ◽  
Author(s):  
Xiao Cheng ◽  
Zhenyu Zhang ◽  
Houyu Zhang ◽  
Shenghua Han ◽  
Kaiqi Ye ◽  
...  
Keyword(s):  
Solid State ◽  
Near Infrared ◽  
Multiple Channel ◽  
Fluorescence Switching ◽  
Nir Emission ◽  
Solid State Fluorescence ◽  
Beryllium Complexes

Crystalline-enhanced red/NIR emission of beryllium complexes can be switched between dark and bright states by different stimuli, providing the first example of reversible multiple-channel solid-state fluorescence “ON/OFF” switching.

A smart two-photon fluorescent platform based on desulfurization–cyclization: a phthalimide–rhodamine chemodosimeter for Hg2+ NIR emission at 746 nm and through-bond energy transfer

2017 ◽  
Vol 41 (22) ◽  
pp. 13495-13503 ◽  
Author(s):  
Shan-kun Yao ◽  
Ying Qian ◽  
Zheng-qing Qi ◽  
Chang-gui Lu ◽  
Yi-ping Cui
Keyword(s):  
Energy Transfer ◽  
Bond Energy ◽  
Near Infrared ◽  
Infrared Region ◽  
Two Photon ◽  
Nir Emission ◽  
Near Infrared Region ◽  
Fluorescent Chemodosimeter

In this work, a smart two-photon fluorescent platform based on desulfurization–cyclization was developed, in the construction of TBET-based fluorescent chemodosimeter CyRSN towards Hg2+ in near-infrared region at 746 nm.

Regulating near-infrared region to visible-light emission by adjusting cuprophilic interactions for blue light-excited phosphors

2021 ◽  
Author(s):  
Guang-Ning Liu ◽  
Rang-Dong Xu ◽  
Jin-Shuang Guo ◽  
Jin-Ling Miao ◽  
Ming-Jian Zhang ◽  
...  
Keyword(s):  
Solid State ◽  
Structural Control ◽  
Near Infrared ◽  
Light Emission ◽  
Infrared Region ◽  
Solid State Lighting ◽  
Near Infrared Region ◽  
Visible Light Emission ◽  
Luminescence Performance ◽  
Cuprophilic Interactions

Luminescent copper(I)-based clusters have attracted intensive attention in solid-state lighting. However, rationally regulating the luminescence performance through accurate structural control remains a challenge. Herein, three structurally different hexanuclear copper(I) nanoclusters...

Highly thermally stable Cr3+ and Yb3+ codoped Gd2GaSbO7 phosphors for broadband near-infrared applications

2021 ◽  
Author(s):  
xiudi wu ◽  
shuang zhao ◽  
Liang Zhang ◽  
Langping Dong ◽  
Yonghui Xu ◽  
...  
Keyword(s):  
Solid State ◽  
Solid State Reaction ◽  
Emission Band ◽  
Near Infrared ◽  
Thermally Stable ◽  
Nir Emission

Abstract：Gd2GaSbO7:Cr3+,Yb3+ phosphors with efficient broadband NIR emission were prepared by solid-state reaction. Under the excitation of 448 nm, Gd2GaSbO7:Cr3+ (GGS:Cr3+) phosphor exhibits a broadband NIR emission band centered at approximately...

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