Indepth Studies on Working Mechanism of Plasmon-Enhanced Inverted Perovskite Solar Cells Incorporated with Ag@SiO2 Core-Shell Nanocubes

Xiaoqian Ma; Ben Ma; Tianyan Yu; Xin Xu; Liuquan Zhang; Wei Wang; Kun Cao; Lingling Deng; Shufen Chen; Wei Huang

doi:10.1021/acsaem.9b00346

Indepth Studies on Working Mechanism of Plasmon-Enhanced Inverted Perovskite Solar Cells Incorporated with Ag@SiO₂ Core-Shell Nanocubes

Xiaoqian Ma, Ben Ma, Tianyan Yu, Xin Xu, Liuquan Zhang, Wei Wang, Kun Cao, Lingling Deng, Shufen Chen, Wei Huang

Institute of Flexible Electronics

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

22 Scopus citations

Abstract

Noble metal nanoparticles-induced localized surface plasmon resonance as a useful approach has been widely used in solar cells including perovskite solar cells (PSCs) to improve their light-harvesting. Herein, we synthesize Ag SiO₂ core-shell nanocubes and investigate their application in CH₃NH₃PbI₃-based PSCs due to both the large local EM field induced by the nanocube with sharp corners and the effective avoidance of exciton/carrier recombination at the surfaces of Ag nanocubes via covering a 5 nm ultrathin SiO₂ shell. Incorporating an appropriate concentration of Ag SiO₂ nanocubes into the CH₃NH₃PbI₃ PSCs realizes a best-performing efficiency of 17.22% with an enhancement factor of 18.1%. Indepth studies on the plasmon-enhanced working mechanism of AgSiO₂ nanocubes with UV-vis absorption spectra, steady-state and time-resolved transient photoluminescence, and electrochemical impedance spectroscopy characterizations eventually demonstrate both the increasing light harvesting and the improving charge transportation and extraction contribute to better performances of PSCs.

Original language	English
Pages (from-to)	3605-3613
Number of pages	9
Journal	ACS Applied Energy Materials
Volume	2
Issue number	5
DOIs	https://doi.org/10.1021/acsaem.9b00346
State	Published - 28 May 2019

Keywords

Ag nanocube
carrier transfer
local field
perovskite solar cell
surface plasmon resonance

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10.1021/acsaem.9b00346

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title = "Indepth Studies on Working Mechanism of Plasmon-Enhanced Inverted Perovskite Solar Cells Incorporated with Ag@SiO2 Core-Shell Nanocubes",

abstract = "Noble metal nanoparticles-induced localized surface plasmon resonance as a useful approach has been widely used in solar cells including perovskite solar cells (PSCs) to improve their light-harvesting. Herein, we synthesize Ag SiO2 core-shell nanocubes and investigate their application in CH3NH3PbI3-based PSCs due to both the large local EM field induced by the nanocube with sharp corners and the effective avoidance of exciton/carrier recombination at the surfaces of Ag nanocubes via covering a 5 nm ultrathin SiO2 shell. Incorporating an appropriate concentration of Ag SiO2 nanocubes into the CH3NH3PbI3 PSCs realizes a best-performing efficiency of 17.22% with an enhancement factor of 18.1%. Indepth studies on the plasmon-enhanced working mechanism of AgSiO2 nanocubes with UV-vis absorption spectra, steady-state and time-resolved transient photoluminescence, and electrochemical impedance spectroscopy characterizations eventually demonstrate both the increasing light harvesting and the improving charge transportation and extraction contribute to better performances of PSCs.",

keywords = "Ag nanocube, carrier transfer, local field, perovskite solar cell, surface plasmon resonance",

author = "Xiaoqian Ma and Ben Ma and Tianyan Yu and Xin Xu and Liuquan Zhang and Wei Wang and Kun Cao and Lingling Deng and Shufen Chen and Wei Huang",

note = "Publisher Copyright: {\textcopyright} 2019 American Chemical Society.",

year = "2019",

month = may,

day = "28",

doi = "10.1021/acsaem.9b00346",

language = "英语",

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T1 - Indepth Studies on Working Mechanism of Plasmon-Enhanced Inverted Perovskite Solar Cells Incorporated with Ag@SiO2 Core-Shell Nanocubes

AU - Ma, Xiaoqian

AU - Ma, Ben

AU - Yu, Tianyan

AU - Xu, Xin

AU - Zhang, Liuquan

AU - Wang, Wei

AU - Cao, Kun

AU - Deng, Lingling

AU - Chen, Shufen

AU - Huang, Wei

PY - 2019/5/28

Y1 - 2019/5/28

N2 - Noble metal nanoparticles-induced localized surface plasmon resonance as a useful approach has been widely used in solar cells including perovskite solar cells (PSCs) to improve their light-harvesting. Herein, we synthesize Ag SiO2 core-shell nanocubes and investigate their application in CH3NH3PbI3-based PSCs due to both the large local EM field induced by the nanocube with sharp corners and the effective avoidance of exciton/carrier recombination at the surfaces of Ag nanocubes via covering a 5 nm ultrathin SiO2 shell. Incorporating an appropriate concentration of Ag SiO2 nanocubes into the CH3NH3PbI3 PSCs realizes a best-performing efficiency of 17.22% with an enhancement factor of 18.1%. Indepth studies on the plasmon-enhanced working mechanism of AgSiO2 nanocubes with UV-vis absorption spectra, steady-state and time-resolved transient photoluminescence, and electrochemical impedance spectroscopy characterizations eventually demonstrate both the increasing light harvesting and the improving charge transportation and extraction contribute to better performances of PSCs.

AB - Noble metal nanoparticles-induced localized surface plasmon resonance as a useful approach has been widely used in solar cells including perovskite solar cells (PSCs) to improve their light-harvesting. Herein, we synthesize Ag SiO2 core-shell nanocubes and investigate their application in CH3NH3PbI3-based PSCs due to both the large local EM field induced by the nanocube with sharp corners and the effective avoidance of exciton/carrier recombination at the surfaces of Ag nanocubes via covering a 5 nm ultrathin SiO2 shell. Incorporating an appropriate concentration of Ag SiO2 nanocubes into the CH3NH3PbI3 PSCs realizes a best-performing efficiency of 17.22% with an enhancement factor of 18.1%. Indepth studies on the plasmon-enhanced working mechanism of AgSiO2 nanocubes with UV-vis absorption spectra, steady-state and time-resolved transient photoluminescence, and electrochemical impedance spectroscopy characterizations eventually demonstrate both the increasing light harvesting and the improving charge transportation and extraction contribute to better performances of PSCs.

KW - Ag nanocube

KW - carrier transfer

KW - local field

KW - perovskite solar cell

KW - surface plasmon resonance

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SN - 2574-0962

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Indepth Studies on Working Mechanism of Plasmon-Enhanced Inverted Perovskite Solar Cells Incorporated with Ag@SiO₂ Core-Shell Nanocubes

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