One-step electrodeposited nickel cobalt sulfide electrocatalyst for quantum dot-sensitized solar cells

Vu Hong Vinh Quy; Bong Ki Min; Jae Hong Kim; Hyunsoo Kim; John Anthuvan Rajesh; Kwang Soon Ahna

doi:10.1149/2.0901605jes

One-step electrodeposited nickel cobalt sulfide electrocatalyst for quantum dot-sensitized solar cells

Vu Hong Vinh Quy
, Bong Ki Min
, Jae Hong Kim
, Hyunsoo Kim^*
, John Anthuvan Rajesh
, Kwang Soon Ahna

^*Corresponding author for this work

Department of Semiconductor Science and Technology

Yeungnam University

Research output: Contribution to journal › Journal article › peer-review

13 Scopus citations

Abstract

This paper reports a new facile one-step cyclic voltammetry electrochemical co-depositing method to prepare a novel nickel cobalt sulfide (NiCo₂S₄) counter electrode (CE) on a FTO glass substrate as well as its promising application as an efficient CE in CdSe quantum dot-sensitized solar cells (QD-SSCs). The QD-SSCs fabricated using NiCo₂S₄ as a CE exhibited a significantly enhanced short circuit current and fill factor, resulting in a significantly improved overall energy conversion efficiency (3.67%) compared to those with the Pt (2.26%), CoS (2.70%) and NiS (2.56%) CEs under 1 sun illumination. This can be attributed to the significantly enhanced electrocatalytic activity and superior electrical conductivity of the NiCo₂S₄ and the excellent electrical contact at the electrodeposited NiCo₂S₄/FTO interface.

Original language	English
Pages (from-to)	D175-D178
Journal	Journal of the Electrochemical Society
Volume	163
Issue number	5
DOIs	https://doi.org/10.1149/2.0901605jes
State	Published - 2016

UN SDGs

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

SDG 7 Affordable and Clean Energy

Quacquarelli Symonds(QS) Subject Topics

Materials Science
Engineering - Electrical & Electronic
Chemistry
Physics & Astronomy

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10.1149/2.0901605jes

Cite this

@article{1c6a0015b16a4235b9d6b11aac7ab43c,

title = "One-step electrodeposited nickel cobalt sulfide electrocatalyst for quantum dot-sensitized solar cells",

abstract = "This paper reports a new facile one-step cyclic voltammetry electrochemical co-depositing method to prepare a novel nickel cobalt sulfide (NiCo2S4) counter electrode (CE) on a FTO glass substrate as well as its promising application as an efficient CE in CdSe quantum dot-sensitized solar cells (QD-SSCs). The QD-SSCs fabricated using NiCo2S4 as a CE exhibited a significantly enhanced short circuit current and fill factor, resulting in a significantly improved overall energy conversion efficiency (3.67\%) compared to those with the Pt (2.26\%), CoS (2.70\%) and NiS (2.56\%) CEs under 1 sun illumination. This can be attributed to the significantly enhanced electrocatalytic activity and superior electrical conductivity of the NiCo2S4 and the excellent electrical contact at the electrodeposited NiCo2S4/FTO interface.",

author = "Quy, \{Vu Hong Vinh\} and Min, \{Bong Ki\} and Kim, \{Jae Hong\} and Hyunsoo Kim and Rajesh, \{John Anthuvan\} and Ahna, \{Kwang Soon\}",

note = "Publisher Copyright: {\textcopyright} 2016 The Electrochemical Society.",

year = "2016",

doi = "10.1149/2.0901605jes",

language = "English",

volume = "163",

pages = "D175--D178",

journal = "Journal of the Electrochemical Society",

issn = "0013-4651",

number = "5",

}

TY - JOUR

T1 - One-step electrodeposited nickel cobalt sulfide electrocatalyst for quantum dot-sensitized solar cells

AU - Quy, Vu Hong Vinh

AU - Min, Bong Ki

AU - Kim, Jae Hong

AU - Kim, Hyunsoo

AU - Rajesh, John Anthuvan

AU - Ahna, Kwang Soon

PY - 2016

Y1 - 2016

N2 - This paper reports a new facile one-step cyclic voltammetry electrochemical co-depositing method to prepare a novel nickel cobalt sulfide (NiCo2S4) counter electrode (CE) on a FTO glass substrate as well as its promising application as an efficient CE in CdSe quantum dot-sensitized solar cells (QD-SSCs). The QD-SSCs fabricated using NiCo2S4 as a CE exhibited a significantly enhanced short circuit current and fill factor, resulting in a significantly improved overall energy conversion efficiency (3.67%) compared to those with the Pt (2.26%), CoS (2.70%) and NiS (2.56%) CEs under 1 sun illumination. This can be attributed to the significantly enhanced electrocatalytic activity and superior electrical conductivity of the NiCo2S4 and the excellent electrical contact at the electrodeposited NiCo2S4/FTO interface.

AB - This paper reports a new facile one-step cyclic voltammetry electrochemical co-depositing method to prepare a novel nickel cobalt sulfide (NiCo2S4) counter electrode (CE) on a FTO glass substrate as well as its promising application as an efficient CE in CdSe quantum dot-sensitized solar cells (QD-SSCs). The QD-SSCs fabricated using NiCo2S4 as a CE exhibited a significantly enhanced short circuit current and fill factor, resulting in a significantly improved overall energy conversion efficiency (3.67%) compared to those with the Pt (2.26%), CoS (2.70%) and NiS (2.56%) CEs under 1 sun illumination. This can be attributed to the significantly enhanced electrocatalytic activity and superior electrical conductivity of the NiCo2S4 and the excellent electrical contact at the electrodeposited NiCo2S4/FTO interface.

UR - https://www.scopus.com/pages/publications/85020798640

U2 - 10.1149/2.0901605jes

DO - 10.1149/2.0901605jes

M3 - Journal article

AN - SCOPUS:85020798640

SN - 0013-4651

VL - 163

SP - D175-D178

JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

IS - 5

ER -

One-step electrodeposited nickel cobalt sulfide electrocatalyst for quantum dot-sensitized solar cells

Abstract

UN SDGs

Quacquarelli Symonds(QS) Subject Topics

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