Influence of the bridging atom on the electrochromic performance of a cyclopentadithiophene polymer

Er Chieh Cho; Cai Wan Chang-Jian; Yu Sheng Hsiao; Kuen Chan Lee; Jen Hsien Huang

doi:10.1016/j.solmat.2016.01.030

Influence of the bridging atom on the electrochromic performance of a cyclopentadithiophene polymer

Er Chieh Cho, Cai Wan Chang-Jian, Yu Sheng Hsiao, Kuen Chan Lee, Jen Hsien Huang

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

In this article, carbon- (PCPDTTBT) and silicon-bridged (PSiPDTTBT) cyclopentadithiophene (CPDT)-based polymers have been synthesized. We have systematically studied the effect of replacing a carbon atom with a silicon atom on the main chain of the conjugated polymer and the optoelectronic properties. With the simple substitution, the results indicate that the PSiPDTTBT reveals a higher crystallinity, improved thermal stability, charge transport properties, and lower resistance at the polymer-electrolyte interface. As a result, the PSiPDTTBT exhibits better electrochromic properties including higher contrast and coloration efficiency (CE) with respect to its carbon analogs. We attribute this better electrochromic performance to the presence of strong π-π stacking in the silicon-bridged CPDT-based polymer. The PSiPDTTBT shows a transmittance window of 55.5% at 560 nm and CE of 434 mC/cm².

Original language	English
Pages (from-to)	43-50
Number of pages	8
Journal	Solar Energy Materials and Solar Cells
Volume	150
DOIs	https://doi.org/10.1016/j.solmat.2016.01.030
Publication status	Published - Jun 2016

Keywords

Coloration efficiency
Conjugated polymer
Crystallinity
Cyclopentadithiophene
Electrochromic

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces, Coatings and Films
Renewable Energy, Sustainability and the Environment

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.solmat.2016.01.030

Cite this

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title = "Influence of the bridging atom on the electrochromic performance of a cyclopentadithiophene polymer",

abstract = "In this article, carbon- (PCPDTTBT) and silicon-bridged (PSiPDTTBT) cyclopentadithiophene (CPDT)-based polymers have been synthesized. We have systematically studied the effect of replacing a carbon atom with a silicon atom on the main chain of the conjugated polymer and the optoelectronic properties. With the simple substitution, the results indicate that the PSiPDTTBT reveals a higher crystallinity, improved thermal stability, charge transport properties, and lower resistance at the polymer-electrolyte interface. As a result, the PSiPDTTBT exhibits better electrochromic properties including higher contrast and coloration efficiency (CE) with respect to its carbon analogs. We attribute this better electrochromic performance to the presence of strong π-π stacking in the silicon-bridged CPDT-based polymer. The PSiPDTTBT shows a transmittance window of 55.5% at 560 nm and CE of 434 mC/cm2.",

keywords = "Coloration efficiency, Conjugated polymer, Crystallinity, Cyclopentadithiophene, Electrochromic",

author = "Cho, {Er Chieh} and Chang-Jian, {Cai Wan} and Hsiao, {Yu Sheng} and Lee, {Kuen Chan} and Huang, {Jen Hsien}",

year = "2016",

month = jun,

doi = "10.1016/j.solmat.2016.01.030",

language = "English",

volume = "150",

pages = "43--50",

journal = "Solar Energy Materials and Solar Cells",

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publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Influence of the bridging atom on the electrochromic performance of a cyclopentadithiophene polymer

AU - Cho, Er Chieh

AU - Chang-Jian, Cai Wan

AU - Hsiao, Yu Sheng

AU - Lee, Kuen Chan

AU - Huang, Jen Hsien

PY - 2016/6

Y1 - 2016/6

N2 - In this article, carbon- (PCPDTTBT) and silicon-bridged (PSiPDTTBT) cyclopentadithiophene (CPDT)-based polymers have been synthesized. We have systematically studied the effect of replacing a carbon atom with a silicon atom on the main chain of the conjugated polymer and the optoelectronic properties. With the simple substitution, the results indicate that the PSiPDTTBT reveals a higher crystallinity, improved thermal stability, charge transport properties, and lower resistance at the polymer-electrolyte interface. As a result, the PSiPDTTBT exhibits better electrochromic properties including higher contrast and coloration efficiency (CE) with respect to its carbon analogs. We attribute this better electrochromic performance to the presence of strong π-π stacking in the silicon-bridged CPDT-based polymer. The PSiPDTTBT shows a transmittance window of 55.5% at 560 nm and CE of 434 mC/cm2.

AB - In this article, carbon- (PCPDTTBT) and silicon-bridged (PSiPDTTBT) cyclopentadithiophene (CPDT)-based polymers have been synthesized. We have systematically studied the effect of replacing a carbon atom with a silicon atom on the main chain of the conjugated polymer and the optoelectronic properties. With the simple substitution, the results indicate that the PSiPDTTBT reveals a higher crystallinity, improved thermal stability, charge transport properties, and lower resistance at the polymer-electrolyte interface. As a result, the PSiPDTTBT exhibits better electrochromic properties including higher contrast and coloration efficiency (CE) with respect to its carbon analogs. We attribute this better electrochromic performance to the presence of strong π-π stacking in the silicon-bridged CPDT-based polymer. The PSiPDTTBT shows a transmittance window of 55.5% at 560 nm and CE of 434 mC/cm2.

KW - Coloration efficiency

KW - Conjugated polymer

KW - Crystallinity

KW - Cyclopentadithiophene

KW - Electrochromic

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SN - 0927-0248

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JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

ER -

Influence of the bridging atom on the electrochromic performance of a cyclopentadithiophene polymer

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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