Effect of π-Spacer Length in Novel Xanthene-Linked l -(D-π-A)2-Type Dianchoring Dyes for Dye-Sensitized Solar Cells

Bakhytzhan Baptayev; Se Mi Kim; Bexultan Bolatbek; Sang Hee Lee; Mannix P. Balanay

doi:10.1021/acsaem.2c00384

Effect of π-Spacer Length in Novel Xanthene-Linked l -(D-π-A)₂-Type Dianchoring Dyes for Dye-Sensitized Solar Cells

Bakhytzhan Baptayev
, Se Mi Kim
, Bexultan Bolatbek
, Sang Hee Lee
, Mannix P. Balanay

Kunsan National University
Nazarbayev University

Результат исследований › рецензирование

9 Цитирования (Scopus)

Аннотация

The effect of thiophene π-spacer length was studied in xanthene-linked l-(D-π-A)₂-type dianchoring dye performance in dye-sensitized solar cells. The photophysical, electrochemical, and photovoltaic performances of KS-19 with single thiophene and KS-21 with dithiophene units as π-spacers were compared. The overall result showed that the presence of an extra thiophene unit in KS-21 led to the extension of conjugation, causing broadening and a red-shift of light absorption which in turn resulted in increased J_SCand power conversion efficiency (PCE).

Язык оригинала	English
Страницы (с-по)	6764-6771
Число страниц	8
Журнал	ACS Applied Energy Materials
Том	5
Номер выпуска	6
DOI	https://doi.org/10.1021/acsaem.2c00384
Состояние	Published - июн. 27 2022

ЦУР ООН

Работа этого автора способствует достижению следующих Целей устойчивого развития

Affordable and clean energy

ASJC Scopus subject areas

Chemical Engineering (miscellaneous)
Energy Engineering and Power Technology
Electrochemistry
Materials Chemistry
Electrical and Electronic Engineering

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10.1021/acsaem.2c00384

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title = "Effect of π-Spacer Length in Novel Xanthene-Linked l -(D-π-A)2-Type Dianchoring Dyes for Dye-Sensitized Solar Cells",

abstract = "The effect of thiophene π-spacer length was studied in xanthene-linked l-(D-π-A)2-type dianchoring dye performance in dye-sensitized solar cells. The photophysical, electrochemical, and photovoltaic performances of KS-19 with single thiophene and KS-21 with dithiophene units as π-spacers were compared. The overall result showed that the presence of an extra thiophene unit in KS-21 led to the extension of conjugation, causing broadening and a red-shift of light absorption which in turn resulted in increased JSCand power conversion efficiency (PCE).",

keywords = "density functional theory, linker, recombination, self-consistent charge density functional tight binding, thiophene",

author = "Bakhytzhan Baptayev and Kim, \{Se Mi\} and Bexultan Bolatbek and Lee, \{Sang Hee\} and Balanay, \{Mannix P.\}",

note = "Funding Information: This work was supported in part by the Faculty Development Competitive Research Grant of Nazarbayev University (Project ref. no. 240919FD3938) and the Ministry of Education and Science of the Republic of Kazakhstan (Grant Funding No. AP09259604). Publisher Copyright: {\textcopyright} 2022 American Chemical Society. All rights reserved.",

year = "2022",

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doi = "10.1021/acsaem.2c00384",

language = "English",

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journal = "ACS Applied Energy Materials",

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publisher = "American Chemical Society",

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TY - JOUR

T1 - Effect of π-Spacer Length in Novel Xanthene-Linked l -(D-π-A)2-Type Dianchoring Dyes for Dye-Sensitized Solar Cells

AU - Baptayev, Bakhytzhan

AU - Kim, Se Mi

AU - Bolatbek, Bexultan

AU - Lee, Sang Hee

AU - Balanay, Mannix P.

N1 - Funding Information: This work was supported in part by the Faculty Development Competitive Research Grant of Nazarbayev University (Project ref. no. 240919FD3938) and the Ministry of Education and Science of the Republic of Kazakhstan (Grant Funding No. AP09259604). Publisher Copyright: © 2022 American Chemical Society. All rights reserved.

PY - 2022/6/27

Y1 - 2022/6/27

N2 - The effect of thiophene π-spacer length was studied in xanthene-linked l-(D-π-A)2-type dianchoring dye performance in dye-sensitized solar cells. The photophysical, electrochemical, and photovoltaic performances of KS-19 with single thiophene and KS-21 with dithiophene units as π-spacers were compared. The overall result showed that the presence of an extra thiophene unit in KS-21 led to the extension of conjugation, causing broadening and a red-shift of light absorption which in turn resulted in increased JSCand power conversion efficiency (PCE).

AB - The effect of thiophene π-spacer length was studied in xanthene-linked l-(D-π-A)2-type dianchoring dye performance in dye-sensitized solar cells. The photophysical, electrochemical, and photovoltaic performances of KS-19 with single thiophene and KS-21 with dithiophene units as π-spacers were compared. The overall result showed that the presence of an extra thiophene unit in KS-21 led to the extension of conjugation, causing broadening and a red-shift of light absorption which in turn resulted in increased JSCand power conversion efficiency (PCE).

KW - density functional theory

KW - linker

KW - recombination

KW - self-consistent charge density functional tight binding

KW - thiophene

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