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The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials

This study probes the effect of intramolecular rotations on aggregation-induced emission (AIE) and leads to a kind of supramolecular mechanoluminescent material. Two hydrogen-bonded organic frameworks (HOFs), namely HOFTPE3N and HOFTPE4N, have been constructed from nitro-substituted tetraphenylethen...

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Autores principales: Yu, Tao, Ou, Depei, Yang, Zhiyong, Huang, Qiuyi, Mao, Zhu, Chen, Junru, Zhang, Yi, Liu, Siwei, Xu, Jiarui, Bryce, Martin R., Chi, Zhenguo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Royal Society of Chemistry 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5460603/
https://www.ncbi.nlm.nih.gov/pubmed/28616138
http://dx.doi.org/10.1039/c6sc03177c
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author Yu, Tao
Ou, Depei
Yang, Zhiyong
Huang, Qiuyi
Mao, Zhu
Chen, Junru
Zhang, Yi
Liu, Siwei
Xu, Jiarui
Bryce, Martin R.
Chi, Zhenguo
author_facet Yu, Tao
Ou, Depei
Yang, Zhiyong
Huang, Qiuyi
Mao, Zhu
Chen, Junru
Zhang, Yi
Liu, Siwei
Xu, Jiarui
Bryce, Martin R.
Chi, Zhenguo
author_sort Yu, Tao
collection PubMed
description This study probes the effect of intramolecular rotations on aggregation-induced emission (AIE) and leads to a kind of supramolecular mechanoluminescent material. Two hydrogen-bonded organic frameworks (HOFs), namely HOFTPE3N and HOFTPE4N, have been constructed from nitro-substituted tetraphenylethene (TPE) building blocks, namely tris(4-nitrophenyl)phenylethene (TPE3N) and tetrakis(4-nitrophenyl)ethene (TPE4N). Using single-crystal X-ray diffraction analysis, two types of pores are observed in the HOFTPE4N supramolecular structure. The pore sizes are 5.855 Å × 5.855 Å (α pores) and 7.218 Å × 7.218 Å (β pores). Powder X-ray diffraction and differential scanning calorimetry studies further reveal that the α pores, which contain nitrophenyl rings, quench the emission of HOFTPE4N. This emission can be turned on by breaking the α pores in the HOFs by grinding the sample. Temperature-dependent emission studies demonstrate that the emission quenching of HOFTPE4N is attributed to the intramolecular rotations of nitro-substituted phenyl units within the space of the α pores. These results clearly reveal AIE by controlling the intramolecular rotations, which can serve as a basis for developing mechanoluminescent materials.
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spelling pubmed-54606032017-06-14 The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials Yu, Tao Ou, Depei Yang, Zhiyong Huang, Qiuyi Mao, Zhu Chen, Junru Zhang, Yi Liu, Siwei Xu, Jiarui Bryce, Martin R. Chi, Zhenguo Chem Sci Chemistry This study probes the effect of intramolecular rotations on aggregation-induced emission (AIE) and leads to a kind of supramolecular mechanoluminescent material. Two hydrogen-bonded organic frameworks (HOFs), namely HOFTPE3N and HOFTPE4N, have been constructed from nitro-substituted tetraphenylethene (TPE) building blocks, namely tris(4-nitrophenyl)phenylethene (TPE3N) and tetrakis(4-nitrophenyl)ethene (TPE4N). Using single-crystal X-ray diffraction analysis, two types of pores are observed in the HOFTPE4N supramolecular structure. The pore sizes are 5.855 Å × 5.855 Å (α pores) and 7.218 Å × 7.218 Å (β pores). Powder X-ray diffraction and differential scanning calorimetry studies further reveal that the α pores, which contain nitrophenyl rings, quench the emission of HOFTPE4N. This emission can be turned on by breaking the α pores in the HOFs by grinding the sample. Temperature-dependent emission studies demonstrate that the emission quenching of HOFTPE4N is attributed to the intramolecular rotations of nitro-substituted phenyl units within the space of the α pores. These results clearly reveal AIE by controlling the intramolecular rotations, which can serve as a basis for developing mechanoluminescent materials. Royal Society of Chemistry 2017-02-01 2016-09-02 /pmc/articles/PMC5460603/ /pubmed/28616138 http://dx.doi.org/10.1039/c6sc03177c Text en This journal is © The Royal Society of Chemistry 2016 https://creativecommons.org/licenses/by/3.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution 3.0 Unported License (http://creativecommons.org/licenses/by/3.0/ (https://creativecommons.org/licenses/by/3.0/) ) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Chemistry
Yu, Tao
Ou, Depei
Yang, Zhiyong
Huang, Qiuyi
Mao, Zhu
Chen, Junru
Zhang, Yi
Liu, Siwei
Xu, Jiarui
Bryce, Martin R.
Chi, Zhenguo
The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
title The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
title_full The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
title_fullStr The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
title_full_unstemmed The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
title_short The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
title_sort hof structures of nitrotetraphenylethene derivatives provide new insights into the nature of aie and a way to design mechanoluminescent materials
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5460603/
https://www.ncbi.nlm.nih.gov/pubmed/28616138
http://dx.doi.org/10.1039/c6sc03177c
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