Tunable Single‐Molecule White‐Light Emission in Stimuli‐Responsive Hydrogel

2020 ◽  
Vol 8 (6) ◽  
pp. 1901571 ◽  
Author(s):  
Jie Wang ◽  
Fu Tang ◽  
Yue Wang ◽  
Shuqi Liu ◽  
Lidong Li
Keyword(s):  
Single Molecule ◽  
White Light ◽  
Light Emission ◽  
White Light Emission ◽  
Stimuli Responsive

scholarly journals Secondary Through-Space Interactions: Achieving Single-Molecule White-Light Emission from Clusteroluminogens with Isolated Phenyl Rings

2022 ◽  
Author(s):  
Jianyu Zhang ◽  
Parvej Alam ◽  
Siwei Zhang ◽  
Hanchen Shen ◽  
Lianrui Hu ◽  
...  
Keyword(s):  
Single Molecule ◽  
White Light ◽  
Light Emission ◽  
Photophysical Properties ◽  
White Light Emission ◽  
Excitation Wavelength ◽  
Conjugated Molecules ◽  
Long Wavelength ◽  
Phenyl Rings ◽  
Donor Acceptor

Clusteroluminogens (CLgens) refer to some non-conjugated molecules that show visible light due to the formation of aggregates and unique electronic properties with through-space interactions (TSI). Although mature and systematic theories of molecular photophysics have been developed to study conventional conjugated chromophores, it is still challenging to endow CLgens with designed photophysical properties by manipulating TSI. Herein, three CLgens with non-conjugated donor-acceptor structures and different halide substituents with secondary TSI are designed and synthesized. These molecules show multiple emissions and even white-light emission in the crystalline state and the intensity ratio of these multiple emission peaks is easily manipulated by changing the halide atom and excitation wavelength. Experimental and theoretical results successfully disclose the electronic nature of these multiple emissions: through-space conjugation for short-wavelength fluorescence, through-space charge transfer based on secondary TSI for long-wavelength fluorescence, and room-temperature phosphorescence. The introduction of secondary TSI to CLgens not only enriches their varieties of photophysical properties but also inspires the establishment of novel aggregate photophysics for clusteroluminescence.

New heterometallic Ir(iii)2–Eu(iii) complexes: white light emission from a single molecule

2015 ◽  
Vol 44 (1) ◽  
pp. 37-40 ◽  
Author(s):  
Andrea Baschieri ◽  
Sara Muzzioli ◽  
Elia Matteucci ◽  
Stefano Stagni ◽  
Massimiliano Massi ◽  
...  
Keyword(s):  
Single Molecule ◽  
White Light ◽  
Light Emission ◽  
White Light Emission ◽  
Pure White

Pure white light emission from a single-molecule Ir2(iii)–Eu(iii) complex can be achieved with appropriate ligands.

Photoluminescent manipulation of phenoxazine-based molecules via regulating conformational isomerization, and the corresponding electroluminescent properties

2019 ◽  
Vol 7 (45) ◽  
pp. 14255-14263 ◽  
Author(s):  
Zong Cheng ◽  
Jixiong Liang ◽  
Zhiqiang Li ◽  
Tong Yang ◽  
Chunhui Lin ◽  
...  
Keyword(s):  
Single Molecule ◽  
White Light ◽  
Light Emission ◽  
White Light Emission ◽  
Conformational Isomerization ◽  
Isomerization Mechanism ◽  
Mechanochromic Luminescence

Systematic and detailed research on mechanochromic luminescence reveals the conformational isomerization mechanism behind single-molecule white-light emission.

All in One: Stimuli-Responsive, Efficient Mitotracking, and Single Source White Light Emission

2021 ◽  
Vol 12 (4) ◽  
pp. 1162-1168
Author(s):  
Bibhisan Roy ◽  
Mallu Chenna Reddy ◽  
Gregor P. Jose ◽  
Felix C. Niemeyer ◽  
Jens Voskuhl ◽  
...  
Keyword(s):  
White Light ◽  
Light Emission ◽  
White Light Emission ◽  
Single Source ◽  
Stimuli Responsive

Mechanically induced single-molecule white-light emission of excited-state intramolecular proton transfer (ESIPT) materials

2021 ◽  
Author(s):  
Quan Huang ◽  
Qiang Guo ◽  
Jingbo Lan ◽  
Rongchuan Su ◽  
You Ran ◽  
...  
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Single Molecule ◽  
White Light ◽  
Light Emission ◽  
Intramolecular Proton Transfer ◽  
White Light Emission ◽  
Mechanical Grinding ◽  
Emission Color ◽  
Color Switching

Disclosed herein is the first example of a mechanically induced single-molecule white-light emission of ESIPT materials. Mechanical grinding transforms intermolecular packing motifs, enabling emission color switching from yellowish green to white.

scholarly journals White-light emission from a single heavy atom-free molecule with room temperature phosphorescence, mechanochromism and thermochromism

2017 ◽  
Vol 8 (3) ◽  
pp. 1909-1914 ◽  
Author(s):  
Bingjia Xu ◽  
Haozhong Wu ◽  
Junru Chen ◽  
Zhan Yang ◽  
Zhiyong Yang ◽  
...  
Keyword(s):  
White Light ◽  
Room Temperature ◽  
Light Emission ◽  
Heavy Atom ◽  
White Light Emission ◽  
Free Molecule ◽  
Stimuli Responsive ◽  
Room Temperature Phosphorescence ◽  
Dual Emission ◽  
Light Emitting

Two heavy atom-free white-light emitting luminophores exhibit fluorescence–phosphorescence dual-emission and are multi-stimuli responsive at room temperature.

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