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.

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.

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...

Structural diversity of new solid-state luminophores based on quinoxaline-β-ketoiminate boron difluoride complexes with remarkable fluorescence switching properties

2015 ◽  
Vol 51 (13) ◽  
pp. 2656-2659 ◽  
Author(s):  
Chia-Wei Liao ◽  
Rajeswara Rao M. ◽  
Shih-Sheng Sun
Keyword(s):  
Solid State ◽  
Structural Diversity ◽  
Acid Base ◽  
Fluorescence Switching ◽  
Solid State Fluorescence ◽  
Boron Difluoride

Highly tunable organoboron luminophores with intense solid-state fluorescence showed outstanding photoswitching properties modulated by acid/base vapors.

Halogen Atom and Position Dependent Strong Enhancement of Solid‐State Fluorescence and Stimuli Responsive Reversible Fluorescence Switching

2019 ◽  
Vol 4 (13) ◽  
pp. 3884-3890 ◽  
Author(s):  
Parthasarathy Gayathri ◽  
Subramanian Karthikeyan ◽  
Dohyun Moon ◽  
Savarimuthu Philip Anthony
Keyword(s):  
Solid State ◽  
Halogen Atom ◽  
Stimuli Responsive ◽  
Strong Enhancement ◽  
Fluorescence Switching ◽  
Solid State Fluorescence

Aggregation-enhanced emissive mechanofluorochromic carbazole-halogen positional isomers: tunable fluorescence via conformational polymorphism and crystallization-induced fluorescence switching

CrystEngComm ◽  
2019 ◽  
Vol 21 (43) ◽  
pp. 6604-6612 ◽  
Author(s):  
Parthasarathy Gayathri ◽  
Subramanian Karthikeyan ◽  
Mehboobali Pannipara ◽  
Abdullah G. Al-Sehemi ◽  
Dohyun Moon ◽  
...  
Keyword(s):  
Solid State ◽  
Positional Isomers ◽  
Conformational Polymorphism ◽  
Fluorescence Switching ◽  
Solid State Fluorescence

The conformational twist of the carbazole-halogen positional isomers produced blue and green polymorphs with tunable solid-state fluorescence and demonstrated mechanofluorochromism.

Unusual fluorescent photoswitching of imidazole derivatives: the role of molecular conformation and twist angle controlled organic solid state fluorescence

2018 ◽  
Vol 20 (43) ◽  
pp. 27385-27393 ◽  
Author(s):  
Anu Kundu ◽  
Subramanian Karthikeyan ◽  
Yoshimitsu Sagara ◽  
Dohyun Moon ◽  
Savarimuthu Philip Anthony
Keyword(s):  
Solid State ◽  
Conformational Change ◽  
Molecular Conformation ◽  
Twist Angle ◽  
Imidazole Derivatives ◽  
Organic Solid ◽  
Fluorescence Switching ◽  
Solid State Fluorescence ◽  
Organic Solid State

Triphenylamine-imidazole molecules exhibited unprecedented light induced fluorescence switching via conformational change.

Tuning Solid-State Fluorescence to the Near-Infrared: A Combinatorial Approach to Discovering Molecular Nanoprobes for Biomedical Imaging

2013 ◽  
Vol 5 (18) ◽  
pp. 8881-8888 ◽  
Author(s):  
Ajay Singh ◽  
Chang-Keun Lim ◽  
Yong-Deok Lee ◽  
Joon-ho Maeng ◽  
Sangyoup Lee ◽  
...  
Keyword(s):  
Solid State ◽  
Biomedical Imaging ◽  
Near Infrared ◽  
Combinatorial Approach ◽  
Solid State Fluorescence

scholarly journals Near infrared-emitting tris-bidentate Os(ii) phosphors: control of excited state characteristics and fabrication of OLEDs

2015 ◽  
Vol 3 (19) ◽  
pp. 4910-4920 ◽  
Author(s):  
Jia-Ling Liao ◽  
Yun Chi ◽  
Chia-Chi Yeh ◽  
Hao-Che Kao ◽  
Chih-Hao Chang ◽  
...  
Keyword(s):  
Excited State ◽  
Solid State ◽  
Near Infrared ◽  
Nir Emission

Os(ii) complexes bearing chromophoric 1,10-phenanthroline, diphosphine and bipyrazolate ancillaries display efficient NIR emission ranging from 717 nm to 779 nm in the solid state at RT.

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