Polymeric ladderphanes

Chih Ming Chou; Shern Long Lee; Chih Hsien Chen; Akkattu Thankappan Biju; Hsian Wen Wang; Yi Lin Wu; Guo Fu Zhang; Kuang Wei Yang; Tsong Shin Lim; Min Jie Huang; Po Yu Tsai; Kin Chuan Lin; Shou Ling Huang; Chun Hsien Chen; Tien Yau Luh

doi:10.1021/ja9035362

Polymeric ladderphanes

Chih Ming Chou, Shern Long Lee, Chih Hsien Chen, Akkattu Thankappan Biju, Hsian Wen Wang, Yi Lin Wu, Guo Fu Zhang, Kuang Wei Yang, Tsong Shin Lim, Min Jie Huang, Po Yu Tsai, Kin Chuan Lin, Shou Ling Huang, Chun Hsien Chen, Tien Yau Luh

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68 Scopus citations

Abstract

A new class of polymers, which have a double-stranded polybinorbornene skeleton with multilayer planar oligoaryl linkers, defined as polymeric ladderphanes, are synthesized. The structures of these ladderphanes are determined by spectroscopic means. Photophysical studies and time-resolved fluorescence spectroscopic investigations reveal that there is a strong interaction between the chromophore linkers. Thus, Soret band splitting in the absorption spectrum of the polymer with porphyrin linker (12e), significant fluorescence quenching with oligoaryl linkers (12b-d), and excimer emission with a terphenylene-diethynylene linker (12a) are characteristic photophysical properties of these polymers. Scanning tunneling microscopy shows that polymers 12b and d exhibit a ladder-like morphology and form a supramolecular assembly leading to a two-dimensional ordered array on a highly oriented pyrolytic graphite surface.

Original language	English (US)
Pages (from-to)	12579-12585
Number of pages	7
Journal	Journal of the American Chemical Society
Volume	131
Issue number	35
DOIs	https://doi.org/10.1021/ja9035362
State	Published - Sep 9 2009

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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title = "Polymeric ladderphanes",

abstract = "A new class of polymers, which have a double-stranded polybinorbornene skeleton with multilayer planar oligoaryl linkers, defined as polymeric ladderphanes, are synthesized. The structures of these ladderphanes are determined by spectroscopic means. Photophysical studies and time-resolved fluorescence spectroscopic investigations reveal that there is a strong interaction between the chromophore linkers. Thus, Soret band splitting in the absorption spectrum of the polymer with porphyrin linker (12e), significant fluorescence quenching with oligoaryl linkers (12b-d), and excimer emission with a terphenylene-diethynylene linker (12a) are characteristic photophysical properties of these polymers. Scanning tunneling microscopy shows that polymers 12b and d exhibit a ladder-like morphology and form a supramolecular assembly leading to a two-dimensional ordered array on a highly oriented pyrolytic graphite surface.",

author = "Chou, {Chih Ming} and Lee, {Shern Long} and Chen, {Chih Hsien} and Biju, {Akkattu Thankappan} and Wang, {Hsian Wen} and Wu, {Yi Lin} and Zhang, {Guo Fu} and Yang, {Kuang Wei} and Lim, {Tsong Shin} and Huang, {Min Jie} and Tsai, {Po Yu} and Lin, {Kin Chuan} and Huang, {Shou Ling} and Chen, {Chun Hsien} and Luh, {Tien Yau}",

year = "2009",

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doi = "10.1021/ja9035362",

language = "English (US)",

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AU - Chou, Chih Ming

AU - Lee, Shern Long

AU - Chen, Chih Hsien

AU - Biju, Akkattu Thankappan

AU - Wang, Hsian Wen

AU - Wu, Yi Lin

AU - Zhang, Guo Fu

AU - Yang, Kuang Wei

AU - Lim, Tsong Shin

AU - Huang, Min Jie

AU - Tsai, Po Yu

AU - Lin, Kin Chuan

AU - Huang, Shou Ling

AU - Chen, Chun Hsien

AU - Luh, Tien Yau

PY - 2009/9/9

Y1 - 2009/9/9

N2 - A new class of polymers, which have a double-stranded polybinorbornene skeleton with multilayer planar oligoaryl linkers, defined as polymeric ladderphanes, are synthesized. The structures of these ladderphanes are determined by spectroscopic means. Photophysical studies and time-resolved fluorescence spectroscopic investigations reveal that there is a strong interaction between the chromophore linkers. Thus, Soret band splitting in the absorption spectrum of the polymer with porphyrin linker (12e), significant fluorescence quenching with oligoaryl linkers (12b-d), and excimer emission with a terphenylene-diethynylene linker (12a) are characteristic photophysical properties of these polymers. Scanning tunneling microscopy shows that polymers 12b and d exhibit a ladder-like morphology and form a supramolecular assembly leading to a two-dimensional ordered array on a highly oriented pyrolytic graphite surface.

AB - A new class of polymers, which have a double-stranded polybinorbornene skeleton with multilayer planar oligoaryl linkers, defined as polymeric ladderphanes, are synthesized. The structures of these ladderphanes are determined by spectroscopic means. Photophysical studies and time-resolved fluorescence spectroscopic investigations reveal that there is a strong interaction between the chromophore linkers. Thus, Soret band splitting in the absorption spectrum of the polymer with porphyrin linker (12e), significant fluorescence quenching with oligoaryl linkers (12b-d), and excimer emission with a terphenylene-diethynylene linker (12a) are characteristic photophysical properties of these polymers. Scanning tunneling microscopy shows that polymers 12b and d exhibit a ladder-like morphology and form a supramolecular assembly leading to a two-dimensional ordered array on a highly oriented pyrolytic graphite surface.

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Polymeric ladderphanes

Abstract

ASJC Scopus subject areas

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