Dyes and Pigments, volume 144, pages 80-93

Benzo[1,2,5]thiadiazole dyes: Spectral and electrochemical properties and their relation to the photovoltaic characteristics of the dye-sensitized solar cells

Grishina Maria

Potemkin Andrey V.

Potemkin Vladimir

Publication type: Journal Article

Publication date: 2017-09-01

Elsevier

Journal: Dyes and Pigments

Quartile SCImago

Quartile WOS

Impact factor: 4.5

ISSN: 01437208, 18733743

DOI: 10.1016/j.dyepig.2017.05.020

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General Chemical Engineering

Process Chemistry and Technology

Abstract

Abstract Important aspects of dye-sensitized solar cells (DSSCs) fabrication based on dyes including benzothiadiazole unit were investigated. Two absorption peaks of the dyes covering the 330–551 nm region and possessing moderate band energy gap (1.83–2.16 eV) were found to be important to demonstrate high photovoltaic efficiency ( η > 8) in metal free iodide/iodine electrolyte composed DSSCs. Furthermore, the dye energy band gap determined from optical spectra decreases with the increase of DSSCs short circuit photocurrent density, which in turn linearly increases the photovoltaic efficiency of DSSCs. While the RedOx potentials of dyes are less functionally related to the photovoltaic properties of the DSSCs, their appropriate values (0.67 ≤ E ox ≤ 1.1 V and −1.75 ≤ E red ≤ −0.91 V) can be important for efficient DSSCs. Fabrication details increasing photovoltaic efficiency of the devices based on dyes with benzothiadiazole unit were found. The relationships obtained in the work can be used for preliminary prognosis whether a newly synthesized dye is a promising metal-free sensitizer for DSSCs or not.

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RSC Advances	RSC Advances, 1, 20% RSC Advances 1 publication, 20%
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IEEE	IEEE, 1, 20% IEEE 1 publication, 20%
Pleiades Publishing	Pleiades Publishing, 1, 20% Pleiades Publishing 1 publication, 20%
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Grishina M., Potemkin A. V., Potemkin V. Benzo[1,2,5]thiadiazole dyes: Spectral and electrochemical properties and their relation to the photovoltaic characteristics of the dye-sensitized solar cells // Dyes and Pigments. 2017. Vol. 144. pp. 80-93.

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TY - JOUR

DO - 10.1016/j.dyepig.2017.05.020

UR - https://doi.org/10.1016%2Fj.dyepig.2017.05.020

TI - Benzo[1,2,5]thiadiazole dyes: Spectral and electrochemical properties and their relation to the photovoltaic characteristics of the dye-sensitized solar cells

T2 - Dyes and Pigments

AU - Potemkin, Andrey V.

AU - Potemkin, Vladimir

AU - Grishina, Maria

PY - 2017

DA - 2017/09/01 00:00:00

PB - Elsevier

SP - 80-93

VL - 144

SN - 0143-7208

SN - 1873-3743

ER -

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@article{2017_Grishina,

author = {Andrey V. Potemkin and Vladimir Potemkin and Maria Grishina},

title = {Benzo[1,2,5]thiadiazole dyes: Spectral and electrochemical properties and their relation to the photovoltaic characteristics of the dye-sensitized solar cells},

journal = {Dyes and Pigments},

year = {2017},

volume = {144},

publisher = {Elsevier},

month = {sep},

url = {https://doi.org/10.1016%2Fj.dyepig.2017.05.020},

pages = {80--93},

doi = {10.1016/j.dyepig.2017.05.020}

}

Found error?

Publisher

Elsevier

Journal

Dyes and Pigments

Quartile SCImago

Quartile WOS

Impact factor

4.5

ISSN

01437208 (Print)
18733743 (Electronic)

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