Increased power conversion efficiency of dye-sensitized solar cells with surface-modified photoelectrode

Ju Hee Oh; Giseop Kwak; Kang Bae; Myung Gyu Choi; Chang Hyun Lee; Hwa Min Kim; Yoon Soo Han

doi:10.1080/15421406.2015.1076319

Increased power conversion efficiency of dye-sensitized solar cells with surface-modified photoelectrode

Ju Hee Oh
, Giseop Kwak
, Kang Bae
, Myung Gyu Choi
, Chang Hyun Lee
, Hwa Min Kim
, Yoon Soo Han

Kyungpook National University
Catholic University of Daegu

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

Abstract

A nanoporous TiO₂ film was modified with an aqueous potassium chloride (KCl), and the resulting film was applied to the photoelectrode of dye-sensitizes solar cell (DSSC). The DSSC with KCl-modified photoelctrode showed an increase in short circuit current (Js_c) and open circuit voltage (Vo_c), resulting in a power conversion efficiency (PCE) of 7.04%, compared to that (6.36%) of reference device with bare TiO₂. The suppression of charge recombination between photo-injected electrons and triiodide (I₃^-) ions was found to increase both Js_c and Vo_c of the device with KCl-modified photoelctrode.

Original language	English
Pages (from-to)	171-178
Number of pages	8
Journal	Molecular Crystals and Liquid Crystals
Volume	617
Issue number	1
DOIs	https://doi.org/10.1080/15421406.2015.1076319
State	Published - 13 Aug 2015

Keywords

dye-sensitized solar cell
photoelectrode
potassium chloride
recombination

Access to Document

10.1080/15421406.2015.1076319

Cite this

@article{62f3a69f36db42ba9b314daa495e18bd,

title = "Increased power conversion efficiency of dye-sensitized solar cells with surface-modified photoelectrode",

abstract = "A nanoporous TiO2 film was modified with an aqueous potassium chloride (KCl), and the resulting film was applied to the photoelectrode of dye-sensitizes solar cell (DSSC). The DSSC with KCl-modified photoelctrode showed an increase in short circuit current (Jsc) and open circuit voltage (Voc), resulting in a power conversion efficiency (PCE) of 7.04\%, compared to that (6.36\%) of reference device with bare TiO2. The suppression of charge recombination between photo-injected electrons and triiodide (I3-) ions was found to increase both Jsc and Voc of the device with KCl-modified photoelctrode.",

keywords = "dye-sensitized solar cell, photoelectrode, potassium chloride, recombination",

author = "Oh, \{Ju Hee\} and Giseop Kwak and Kang Bae and Choi, \{Myung Gyu\} and Lee, \{Chang Hyun\} and Kim, \{Hwa Min\} and Han, \{Yoon Soo\}",

note = "Publisher Copyright: Copyright {\textcopyright} Taylor \& Francis Group, LLC.",

year = "2015",

month = aug,

day = "13",

doi = "10.1080/15421406.2015.1076319",

language = "English",

volume = "617",

pages = "171--178",

journal = "Molecular Crystals and Liquid Crystals",

issn = "1542-1406",

publisher = "Taylor and Francis Ltd.",

number = "1",

}

TY - JOUR

T1 - Increased power conversion efficiency of dye-sensitized solar cells with surface-modified photoelectrode

AU - Oh, Ju Hee

AU - Kwak, Giseop

AU - Bae, Kang

AU - Choi, Myung Gyu

AU - Lee, Chang Hyun

AU - Kim, Hwa Min

AU - Han, Yoon Soo

PY - 2015/8/13

Y1 - 2015/8/13

N2 - A nanoporous TiO2 film was modified with an aqueous potassium chloride (KCl), and the resulting film was applied to the photoelectrode of dye-sensitizes solar cell (DSSC). The DSSC with KCl-modified photoelctrode showed an increase in short circuit current (Jsc) and open circuit voltage (Voc), resulting in a power conversion efficiency (PCE) of 7.04%, compared to that (6.36%) of reference device with bare TiO2. The suppression of charge recombination between photo-injected electrons and triiodide (I3-) ions was found to increase both Jsc and Voc of the device with KCl-modified photoelctrode.

AB - A nanoporous TiO2 film was modified with an aqueous potassium chloride (KCl), and the resulting film was applied to the photoelectrode of dye-sensitizes solar cell (DSSC). The DSSC with KCl-modified photoelctrode showed an increase in short circuit current (Jsc) and open circuit voltage (Voc), resulting in a power conversion efficiency (PCE) of 7.04%, compared to that (6.36%) of reference device with bare TiO2. The suppression of charge recombination between photo-injected electrons and triiodide (I3-) ions was found to increase both Jsc and Voc of the device with KCl-modified photoelctrode.

KW - dye-sensitized solar cell

KW - photoelectrode

KW - potassium chloride

KW - recombination

UR - https://www.scopus.com/pages/publications/84943652184

U2 - 10.1080/15421406.2015.1076319

DO - 10.1080/15421406.2015.1076319

M3 - Article

AN - SCOPUS:84943652184

SN - 1542-1406

VL - 617

SP - 171

EP - 178

JO - Molecular Crystals and Liquid Crystals

JF - Molecular Crystals and Liquid Crystals

IS - 1

ER -

Increased power conversion efficiency of dye-sensitized solar cells with surface-modified photoelectrode

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this