Aggregation-induced emission of 1-methyl-1,2,3,4,5-pentaphenylsilole

Luo, Jingdong; Xie, Zhiliang; Lam, Jacky W. Y.; Cheng, Lin; Chen, Haiying; Qiu, Chengfeng; Kwok, Hoi Sing; Zhan, Xiaowei; Liu, Yunqi; Zhu, Daoben; Tang, Ben Zhong

doi:10.1039/b105159h

Cited by 6,631 publications

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“…A more fundamental solution was pioneered in 2001, when Ben Zhong Tang at the Hong Kong University of Science and Technology in Clear Water Bay found that a class of small organic molecules would fluoresce only when they aggregate together 4 . These molecules are shaped like propellers or pinwheels, and they fluoresce when packed because they can no longer move and waste their energy.…”

Section: Together We Shinementioning

confidence: 99%

The nanolight revolution is coming

Lim¹

2016

Nature

110

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Section: Together We Shinementioning

confidence: 99%

The nanolight revolution is coming

Lim¹

2016

Nature

110

View full text Add to dashboard Cite

“…Instead, each complex was found to exhibit infinite π-π stacking in a columnar formation which can, in fact be a deleterious arrangement from the standpoint of emission. 6 Photophysical properties of the solvatomorphs of complexes [1][2][3][4][5][6][7][8] Following the analysis of the "as-synthesized" crystalline powder samples (1)(2)(3)(4)(5)(6)(7)(8), interest was generated in a solvatomorphic study. In our previous study, different recrystallization solvents had been employed in order to grow a series of solvatomorphs.…”

Section: Dalton Transactions Papermentioning

confidence: 99%

Photophysical tuning of the aggregation-induced emission of a series of para-substituted aryl bis(imino)acenaphthene zinc complexes

et al. 2015

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Bis(imino)acenaphthene (BIAN) zinc complexes with para-substituted aryl groups have been synthesized and investigated from the standpoint of their photophysical properties. Each complex was found to be nonemissive in solution. However, complexes 1-6 turned out to be emissive in the solid state, while complexes 7 and 8 remained nonemissive. The emissions for complexes 1-8 displayed color tunability ranging from red-yellow. A detailed crystallographic study of the "as-synthesized" structures revealed a distinct difference in the crystal packing environments of the emissive and nonemissive complexes. Furthermore, a solvatomorphic study provided further emission tunability via changes in the crystal packing environments of each solvatomorph. Lastly, TD-DFT calculations were performed in order to investigate the effect of different para-substituents on the flanking aryl rings of the BIAN ligand.

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“…This unique photophysical phenomenon was first reported by Tang's group [8] in 2001. "Aggregation-induced emission (AIE)" [8][9][10], as he called it, is exactly opposite to the aggregation-caused quenching (ACQ) effect.…”

mentioning

confidence: 92%

Effect of bilayer number on the photoluminescent property of TPE-based self-assembled film

Chen

Feng

et al. 2013

Chin. Sci. Bull.

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Tetraphenylethylene (TPE) derivatives have been proved to be typical aggregation-induced emission (AIE) luminogens when they were aggregated in the free three-dimensional space. In order to reveal the effect of the dimensional degree on AIE property of TPEs, we utilized tetra(4-hydroxyphenyl)ethylene (TPE-4OH) and 1,4-benzenediamine diazonium salt (BD) to fabricate the ultrathin films (TPE-4OH/BD LBL SA film) through layer-by-layer self-assembled technique. The interaction between TPE-4OH and BD in the films was converted from electrostatic force and hydrogen-bond to covalent bonds through photodecomposition of diazonium groups under UV irradiation. Fluorescence emission spectroscopy, UV-Vis absorption spectroscopy and atomic force microscope were carried out to evaluate the relationship between bilayer number and photoluminescence of the TPE-based self-assembled films. The experimental results showed that the TPE-based film with three bilayers only displayed AIE character, whereas the fluorescence of the film became randomly changed if the bilayer number was above three. It is supposed that the fluorescence property of the TPE-4OH/BD LBL SA film with limited molecular length in z-axis and infinite aggregation space in x-and y-axis is dominated by two competitive effects, one is the partial restriction of intramolecular rotation through short intermolecular interactions in cross-linked structure of TPE-4OH/BD, and the other is deactivation of its excited state through unrestricted intramolecular rotations or π-π interactions.tetraphenylethylene, aggregation-induced emission, layer-by-layer self-assembled film, 1,4-benzenediamine diazonium salt Citation:Chen D D, Feng X, Gu S Z, et al. Effect of bilayer number on the photoluminescent property of TPE-based self-assembled film.

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Aggregation-induced emission of 1-methyl-1,2,3,4,5-pentaphenylsilole

Abstract: Aggregation greatly boosts emission efficiency of the silole, turning it from a weak luminophor into a strong emitter.

Cited by 6,631 publications

References 14 publications

The nanolight revolution is coming

The nanolight revolution is coming

Photophysical tuning of the aggregation-induced emission of a series of para-substituted aryl bis(imino)acenaphthene zinc complexes

Effect of bilayer number on the photoluminescent property of TPE-based self-assembled film

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