Photophysical characteristics and photosensitizing abilities of thieno[3,2-b]thiophene-Based photosensitizers for photovoltaic and photocatalytic applications

Po Yu Ho; Yi Wang; Sze Chun Yiu; Yan Yi Kwok; Chi Ho Siu; Cheuk Lam Ho; Lawrence Tien Lin Lee; Tao Chen

doi:10.1016/j.jphotochem.2020.112979

Photophysical characteristics and photosensitizing abilities of thieno[3,2-b]thiophene-Based photosensitizers for photovoltaic and photocatalytic applications

Po Yu Ho
, Yi Wang
, Sze Chun Yiu
, Yan Yi Kwok
, Chi Ho Siu
, Cheuk Lam Ho (Corresponding Author)
, Lawrence Tien Lin Lee
, Tao Chen

Research output: Journal article publication › Journal article › Academic research › peer-review

14 Citations (Scopus)

Abstract

Six donor−π−acceptor (D–π–A) organic dyes based on thieno[3,2-b]thiophene π-linker comprising different alkyl side chains were synthesized and characterized. Their photophysical and electrochemical properties were studied and their corresponding performances as photosensitizers (PSs) in dye-sensitized solar cells (DSSCs) and photocatalytic hydrogen production systems were also investigated. A power conversion efficiency (PCE) of 5.25 % in DSSCs and a decent H₂ turnover number (TON) of 5170 (48 h) in platinized TiO₂ hydrogen production system were demonstrated. The results indicated that alkyl chain engineering is one of the crucial steps in designing a superior photosensitizer.

Original language	English
Article number	112979
Journal	Journal of Photochemistry and Photobiology A: Chemistry
Volume	406
DOIs	https://doi.org/10.1016/j.jphotochem.2020.112979
Publication status	Published - 1 Feb 2021

UN SDGs

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

SDG 7 Affordable and Clean Energy

Keywords

Alkyl chain effects
Dye-sensitized solar cells
Photocatalytic hydrogen production
Photosensitizers
Thieno[3,2-b]thiophene

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
General Physics and Astronomy

More information

10.1016/j.jphotochem.2020.112979

http://hdl.handle.net/10397/100101

Cite this

Ho, P. Y., Wang, Y., Yiu, S. C., Kwok, Y. Y., Siu, C. H., Ho, C. L., Lin Lee, L. T., & Chen, T. (2021). Photophysical characteristics and photosensitizing abilities of thieno[3,2-b]thiophene-Based photosensitizers for photovoltaic and photocatalytic applications. Journal of Photochemistry and Photobiology A: Chemistry, 406, Article 112979. https://doi.org/10.1016/j.jphotochem.2020.112979

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title = "Photophysical characteristics and photosensitizing abilities of thieno[3,2-b]thiophene-Based photosensitizers for photovoltaic and photocatalytic applications",

abstract = "Six donor−π−acceptor (D–π–A) organic dyes based on thieno[3,2-b]thiophene π-linker comprising different alkyl side chains were synthesized and characterized. Their photophysical and electrochemical properties were studied and their corresponding performances as photosensitizers (PSs) in dye-sensitized solar cells (DSSCs) and photocatalytic hydrogen production systems were also investigated. A power conversion efficiency (PCE) of 5.25 \% in DSSCs and a decent H2 turnover number (TON) of 5170 (48 h) in platinized TiO2 hydrogen production system were demonstrated. The results indicated that alkyl chain engineering is one of the crucial steps in designing a superior photosensitizer.",

keywords = "Alkyl chain effects, Dye-sensitized solar cells, Photocatalytic hydrogen production, Photosensitizers, Thieno[3,2-b]thiophene",

author = "Ho, \{Po Yu\} and Yi Wang and Yiu, \{Sze Chun\} and Kwok, \{Yan Yi\} and Siu, \{Chi Ho\} and Ho, \{Cheuk Lam\} and \{Lin Lee\}, \{Lawrence Tien\} and Tao Chen",

note = "Funding Information: C.-L. Ho thanks the Hong Kong Research Grants Council (PolyU 123021/17 P), the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20180306173720000) and the Hong Kong Polytechnic University (1-BE0Q and G-YBYZ) for their financial support. Funding Information: C.-L. Ho thanks the Hong Kong Research Grants Council ( PolyU 123021/17 P ), the Science, Technology and Innovation Committee of Shenzhen Municipality ( JCYJ20180306173720000 ) and the Hong Kong Polytechnic University ( 1-BE0Q and G-YBYZ ) for their financial support. Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

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doi = "10.1016/j.jphotochem.2020.112979",

language = "English",

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Photophysical characteristics and photosensitizing abilities of thieno[3,2-b]thiophene-Based photosensitizers for photovoltaic and photocatalytic applications. / Ho, Po Yu; Wang, Yi; Yiu, Sze Chun et al.
In: Journal of Photochemistry and Photobiology A: Chemistry, Vol. 406, 112979, 01.02.2021.

Research output: Journal article publication › Journal article › Academic research › peer-review

TY - JOUR

T1 - Photophysical characteristics and photosensitizing abilities of thieno[3,2-b]thiophene-Based photosensitizers for photovoltaic and photocatalytic applications

AU - Ho, Po Yu

AU - Wang, Yi

AU - Yiu, Sze Chun

AU - Kwok, Yan Yi

AU - Siu, Chi Ho

AU - Ho, Cheuk Lam

AU - Lin Lee, Lawrence Tien

AU - Chen, Tao

N1 - Funding Information: C.-L. Ho thanks the Hong Kong Research Grants Council (PolyU 123021/17 P), the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20180306173720000) and the Hong Kong Polytechnic University (1-BE0Q and G-YBYZ) for their financial support. Funding Information: C.-L. Ho thanks the Hong Kong Research Grants Council ( PolyU 123021/17 P ), the Science, Technology and Innovation Committee of Shenzhen Municipality ( JCYJ20180306173720000 ) and the Hong Kong Polytechnic University ( 1-BE0Q and G-YBYZ ) for their financial support. Publisher Copyright: © 2020 Elsevier B.V.

PY - 2021/2/1

Y1 - 2021/2/1

N2 - Six donor−π−acceptor (D–π–A) organic dyes based on thieno[3,2-b]thiophene π-linker comprising different alkyl side chains were synthesized and characterized. Their photophysical and electrochemical properties were studied and their corresponding performances as photosensitizers (PSs) in dye-sensitized solar cells (DSSCs) and photocatalytic hydrogen production systems were also investigated. A power conversion efficiency (PCE) of 5.25 % in DSSCs and a decent H2 turnover number (TON) of 5170 (48 h) in platinized TiO2 hydrogen production system were demonstrated. The results indicated that alkyl chain engineering is one of the crucial steps in designing a superior photosensitizer.

AB - Six donor−π−acceptor (D–π–A) organic dyes based on thieno[3,2-b]thiophene π-linker comprising different alkyl side chains were synthesized and characterized. Their photophysical and electrochemical properties were studied and their corresponding performances as photosensitizers (PSs) in dye-sensitized solar cells (DSSCs) and photocatalytic hydrogen production systems were also investigated. A power conversion efficiency (PCE) of 5.25 % in DSSCs and a decent H2 turnover number (TON) of 5170 (48 h) in platinized TiO2 hydrogen production system were demonstrated. The results indicated that alkyl chain engineering is one of the crucial steps in designing a superior photosensitizer.

KW - Alkyl chain effects

KW - Dye-sensitized solar cells

KW - Photocatalytic hydrogen production

KW - Photosensitizers

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AN - SCOPUS:85094212130

SN - 1010-6030

VL - 406

JO - Journal of Photochemistry and Photobiology A: Chemistry

JF - Journal of Photochemistry and Photobiology A: Chemistry

M1 - 112979

ER -

Photophysical characteristics and photosensitizing abilities of thieno[3,2-b]thiophene-Based photosensitizers for photovoltaic and photocatalytic applications

Abstract

UN SDGs

Keywords

ASJC Scopus subject areas

More information

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