Solution-Processable ZnO/Carbon Quantum Dots Electron Extraction Layer for Highly Efficient Polymer Solar Cells

Ruqin Zhang; Min Zhao; Zhongqiang Wang; Zongtao Wang; Bo Zhao; Yanqin Miao; Yingjuan Zhou; Hua Wang; Yuying Hao; Guo Chen; Fu Rong ZHU

doi:10.1021/acsami.7b17969

Solution-Processable ZnO/Carbon Quantum Dots Electron Extraction Layer for Highly Efficient Polymer Solar Cells

Ruqin Zhang
, Min Zhao^*
, Zhongqiang Wang^*
, Zongtao Wang
, Bo Zhao
, Yanqin Miao
, Yingjuan Zhou
, Hua Wang
, Yuying Hao
, Guo Chen
, Fu Rong ZHU^*

^*Corresponding author for this work

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

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Abstract

In this work, we report the effort to develop high-efficiency inverted polymer solar cells (PSCs) by applying a solution-processable bilayer ZnO/carbon quantum dots (C-QDs) electron extraction layer (EEL). It is shown that the use of the bilayer EEL helps to suppress the exciton quenching by passivating the ZnO surface defects in the EEL, leading to an enhanced exciton dissociation, reduced charge recombination and more efficient charge extraction probability, and thereby achieving high power conversion efficiency (PCE). The inverted PSCs, based on the blend of poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl-alt-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophene-4,6-diyl} and [6,6]-phenyl C71-butyric acid methyl ester, possess a significant improvement in PCE of ~9.64%, which is >27% higher than that of a control cell (~7.59%). The use of a bilayer ZnO/C-QD EEL offers a promising approach for attaining high-efficiency inverted PSCs.

Original language	English
Pages (from-to)	4895-4903
Number of pages	9
Journal	ACS Applied Materials and Interfaces
Volume	10
Issue number	5
Early online date	26 Jan 2018
DOIs	https://doi.org/10.1021/acsami.7b17969
Publication status	Published - 7 Feb 2018

UN SDGs

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

SDG 7 Affordable and Clean Energy

User-Defined Keywords

bilayer
C-QDs
EEL
polymer solar cells
ZnO

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10.1021/acsami.7b17969

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Cite this

@article{019c7ea2ed9b4a4e9f4e8d5dd3180de1,

title = "Solution-Processable ZnO/Carbon Quantum Dots Electron Extraction Layer for Highly Efficient Polymer Solar Cells",

abstract = "In this work, we report the effort to develop high-efficiency inverted polymer solar cells (PSCs) by applying a solution-processable bilayer ZnO/carbon quantum dots (C-QDs) electron extraction layer (EEL). It is shown that the use of the bilayer EEL helps to suppress the exciton quenching by passivating the ZnO surface defects in the EEL, leading to an enhanced exciton dissociation, reduced charge recombination and more efficient charge extraction probability, and thereby achieving high power conversion efficiency (PCE). The inverted PSCs, based on the blend of poly\{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl-alt-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophene-4,6-diyl\} and [6,6]-phenyl C71-butyric acid methyl ester, possess a significant improvement in PCE of \textasciitilde{}9.64\%, which is >27\% higher than that of a control cell (\textasciitilde{}7.59\%). The use of a bilayer ZnO/C-QD EEL offers a promising approach for attaining high-efficiency inverted PSCs.",

keywords = "bilayer, C-QDs, EEL, polymer solar cells, ZnO",

author = "Ruqin Zhang and Min Zhao and Zhongqiang Wang and Zongtao Wang and Bo Zhao and Yanqin Miao and Yingjuan Zhou and Hua Wang and Yuying Hao and Guo Chen and ZHU, \{Fu Rong\}",

note = "This study was supported by the National Natural Science Foundation of China (NSFC) (Grant Nos. 61704118, 51602212, and 61605137) and Shanxi Provincial Natural Science Foundation of China (Grant No. 201601D021050). This study was also supported by the Qualified Personal Foundation of Taiyuan University of Technology (800101-02030017). F.Z. acknowledges the support by the Research Grants Council of Hong Kong Special Administrative Region, China, General Research Fund (12303114, 12302817), Hong Kong Baptist University Inter-Institutional Collaborative Research Scheme (RC-ICRS/15-16/04), and Shenzhen Peacock Plan (KQTD20140630110339343).",

year = "2018",

month = feb,

day = "7",

doi = "10.1021/acsami.7b17969",

language = "English",

volume = "10",

pages = "4895--4903",

journal = "ACS Applied Materials and Interfaces",

issn = "1944-8244",

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TY - JOUR

T1 - Solution-Processable ZnO/Carbon Quantum Dots Electron Extraction Layer for Highly Efficient Polymer Solar Cells

AU - Zhang, Ruqin

AU - Zhao, Min

AU - Wang, Zhongqiang

AU - Wang, Zongtao

AU - Zhao, Bo

AU - Miao, Yanqin

AU - Zhou, Yingjuan

AU - Wang, Hua

AU - Hao, Yuying

AU - Chen, Guo

AU - ZHU, Fu Rong

N1 - This study was supported by the National Natural Science Foundation of China (NSFC) (Grant Nos. 61704118, 51602212, and 61605137) and Shanxi Provincial Natural Science Foundation of China (Grant No. 201601D021050). This study was also supported by the Qualified Personal Foundation of Taiyuan University of Technology (800101-02030017). F.Z. acknowledges the support by the Research Grants Council of Hong Kong Special Administrative Region, China, General Research Fund (12303114, 12302817), Hong Kong Baptist University Inter-Institutional Collaborative Research Scheme (RC-ICRS/15-16/04), and Shenzhen Peacock Plan (KQTD20140630110339343).

PY - 2018/2/7

Y1 - 2018/2/7

N2 - In this work, we report the effort to develop high-efficiency inverted polymer solar cells (PSCs) by applying a solution-processable bilayer ZnO/carbon quantum dots (C-QDs) electron extraction layer (EEL). It is shown that the use of the bilayer EEL helps to suppress the exciton quenching by passivating the ZnO surface defects in the EEL, leading to an enhanced exciton dissociation, reduced charge recombination and more efficient charge extraction probability, and thereby achieving high power conversion efficiency (PCE). The inverted PSCs, based on the blend of poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl-alt-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophene-4,6-diyl} and [6,6]-phenyl C71-butyric acid methyl ester, possess a significant improvement in PCE of ~9.64%, which is >27% higher than that of a control cell (~7.59%). The use of a bilayer ZnO/C-QD EEL offers a promising approach for attaining high-efficiency inverted PSCs.

AB - In this work, we report the effort to develop high-efficiency inverted polymer solar cells (PSCs) by applying a solution-processable bilayer ZnO/carbon quantum dots (C-QDs) electron extraction layer (EEL). It is shown that the use of the bilayer EEL helps to suppress the exciton quenching by passivating the ZnO surface defects in the EEL, leading to an enhanced exciton dissociation, reduced charge recombination and more efficient charge extraction probability, and thereby achieving high power conversion efficiency (PCE). The inverted PSCs, based on the blend of poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl-alt-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophene-4,6-diyl} and [6,6]-phenyl C71-butyric acid methyl ester, possess a significant improvement in PCE of ~9.64%, which is >27% higher than that of a control cell (~7.59%). The use of a bilayer ZnO/C-QD EEL offers a promising approach for attaining high-efficiency inverted PSCs.

KW - bilayer

KW - C-QDs

KW - EEL

KW - polymer solar cells

KW - ZnO

UR - https://www.scopus.com/pages/publications/85041920753

U2 - 10.1021/acsami.7b17969

DO - 10.1021/acsami.7b17969

M3 - Journal article

C2 - 29338174

AN - SCOPUS:85041920753

SN - 1944-8244

VL - 10

SP - 4895

EP - 4903

JO - ACS Applied Materials and Interfaces

JF - ACS Applied Materials and Interfaces

IS - 5

ER -

Solution-Processable ZnO/Carbon Quantum Dots Electron Extraction Layer for Highly Efficient Polymer Solar Cells

Abstract

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