Electrodeposited Heterogeneous Nickel-Based Catalysts on Silicon for Efficient Sunlight-Assisted Water Splitting

Sol A. Lee; Ik Jae Park; Jin Wook Yang; Jaemin Park; Tae Hyung Lee; Changyeon Kim; Jooho Moon; Jin Young Kim; Ho Won Jang

doi:10.1016/j.xcrp.2020.100219

Electrodeposited Heterogeneous Nickel-Based Catalysts on Silicon for Efficient Sunlight-Assisted Water Splitting

Sol A. Lee, Ik Jae Park, Jin Wook Yang, Jaemin Park, Tae Hyung Lee, Changyeon Kim, Jooho Moon, Jin Young Kim, Ho Won Jang

Department of Materials Science and Engineering

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

17 Citations (Scopus)

Abstract

Selecting moderate semiconducting materials for photoelectrochemical (PEC) cells is essential to achieve high solar-energy conversion. Despite the advantageous features of silicon, such as earth abundance and narrow band gap, silicon suffers from severe photocorrosion. Here, heterogeneous nickel-based catalysts produced via electrodeposition are investigated to expedite water oxidation and protect the silicon from corrosion. The morphology of the catalysts and their PEC performances are demonstrated in detail. Synergistic Ni nanoparticles (NPs)/Ni(OH)₂/n-Si photoanode shows a high photocurrent density of 29.6 mA cm⁻² at 1.23 V versus RHE and operates over 140 h. Owing to the insufficient photovoltage generated by a single photoanode, we introduce a perovskite/Si tandem solar cell as a voltage supplier. The fabricated wired tandem device shows a photocurrent density of 9.8 mA cm⁻², corresponding to a solar-to-hydrogen (STH) conversion efficiency of 12% without external bias. Our work may present a promising pathway toward a design of spontaneous energy conversion devices.

Original language	English
Article number	100219
Journal	Cell Reports Physical Science
Volume	1
Issue number	10
DOIs	https://doi.org/10.1016/j.xcrp.2020.100219
Publication status	Published - 2020 Oct 21

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea ( NRF ) grant funded by the Korean Ministry of Science and ICT (MSIT) ( 2019M3E6A1103818 ), the Korean Ministry of Science, ICT and Future Planning ( MSIP ) ( 2012R1A3A2026417 ), the Basic Science Research Program through an NRF grant funded by MSIP ( 2017R1A2B3009135 ), the Creative Material Discovery Program through an NRF grant funded by the MSIT ( 2018M3D1A1058793 ), the Basic Research Laboratory of the NRF funded by the MSIT ( 2018R1A4A1022647 ), and Korea Hydro & Nuclear Power Co., Ltd. (no. 2018-Tech-21 ). S.A.L. acknowledges the Global Ph.D. Fellowship Program through the National Research Foundation of Korea funded by the Ministry of Education ( 2017H1A2A1044293 ).

Publisher Copyright:
© 2020 The Author(s)

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Materials Science(all)
Chemistry(all)
Energy(all)
Engineering(all)

UN SDGs

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

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10.1016/j.xcrp.2020.100219

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title = "Electrodeposited Heterogeneous Nickel-Based Catalysts on Silicon for Efficient Sunlight-Assisted Water Splitting",

abstract = "Selecting moderate semiconducting materials for photoelectrochemical (PEC) cells is essential to achieve high solar-energy conversion. Despite the advantageous features of silicon, such as earth abundance and narrow band gap, silicon suffers from severe photocorrosion. Here, heterogeneous nickel-based catalysts produced via electrodeposition are investigated to expedite water oxidation and protect the silicon from corrosion. The morphology of the catalysts and their PEC performances are demonstrated in detail. Synergistic Ni nanoparticles (NPs)/Ni(OH)2/n-Si photoanode shows a high photocurrent density of 29.6 mA cm−2 at 1.23 V versus RHE and operates over 140 h. Owing to the insufficient photovoltage generated by a single photoanode, we introduce a perovskite/Si tandem solar cell as a voltage supplier. The fabricated wired tandem device shows a photocurrent density of 9.8 mA cm−2, corresponding to a solar-to-hydrogen (STH) conversion efficiency of 12% without external bias. Our work may present a promising pathway toward a design of spontaneous energy conversion devices.",

author = "Lee, {Sol A.} and Park, {Ik Jae} and Yang, {Jin Wook} and Jaemin Park and Lee, {Tae Hyung} and Changyeon Kim and Jooho Moon and Kim, {Jin Young} and Jang, {Ho Won}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea ( NRF ) grant funded by the Korean Ministry of Science and ICT (MSIT) ( 2019M3E6A1103818 ), the Korean Ministry of Science, ICT and Future Planning ( MSIP ) ( 2012R1A3A2026417 ), the Basic Science Research Program through an NRF grant funded by MSIP ( 2017R1A2B3009135 ), the Creative Material Discovery Program through an NRF grant funded by the MSIT ( 2018M3D1A1058793 ), the Basic Research Laboratory of the NRF funded by the MSIT ( 2018R1A4A1022647 ), and Korea Hydro & Nuclear Power Co., Ltd. (no. 2018-Tech-21 ). S.A.L. acknowledges the Global Ph.D. Fellowship Program through the National Research Foundation of Korea funded by the Ministry of Education ( 2017H1A2A1044293 ). Publisher Copyright: {\textcopyright} 2020 The Author(s)",

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AU - Park, Jaemin

AU - Lee, Tae Hyung

AU - Kim, Changyeon

AU - Moon, Jooho

AU - Kim, Jin Young

AU - Jang, Ho Won

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PY - 2020/10/21

Y1 - 2020/10/21

N2 - Selecting moderate semiconducting materials for photoelectrochemical (PEC) cells is essential to achieve high solar-energy conversion. Despite the advantageous features of silicon, such as earth abundance and narrow band gap, silicon suffers from severe photocorrosion. Here, heterogeneous nickel-based catalysts produced via electrodeposition are investigated to expedite water oxidation and protect the silicon from corrosion. The morphology of the catalysts and their PEC performances are demonstrated in detail. Synergistic Ni nanoparticles (NPs)/Ni(OH)2/n-Si photoanode shows a high photocurrent density of 29.6 mA cm−2 at 1.23 V versus RHE and operates over 140 h. Owing to the insufficient photovoltage generated by a single photoanode, we introduce a perovskite/Si tandem solar cell as a voltage supplier. The fabricated wired tandem device shows a photocurrent density of 9.8 mA cm−2, corresponding to a solar-to-hydrogen (STH) conversion efficiency of 12% without external bias. Our work may present a promising pathway toward a design of spontaneous energy conversion devices.

AB - Selecting moderate semiconducting materials for photoelectrochemical (PEC) cells is essential to achieve high solar-energy conversion. Despite the advantageous features of silicon, such as earth abundance and narrow band gap, silicon suffers from severe photocorrosion. Here, heterogeneous nickel-based catalysts produced via electrodeposition are investigated to expedite water oxidation and protect the silicon from corrosion. The morphology of the catalysts and their PEC performances are demonstrated in detail. Synergistic Ni nanoparticles (NPs)/Ni(OH)2/n-Si photoanode shows a high photocurrent density of 29.6 mA cm−2 at 1.23 V versus RHE and operates over 140 h. Owing to the insufficient photovoltage generated by a single photoanode, we introduce a perovskite/Si tandem solar cell as a voltage supplier. The fabricated wired tandem device shows a photocurrent density of 9.8 mA cm−2, corresponding to a solar-to-hydrogen (STH) conversion efficiency of 12% without external bias. Our work may present a promising pathway toward a design of spontaneous energy conversion devices.

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ER -

Electrodeposited Heterogeneous Nickel-Based Catalysts on Silicon for Efficient Sunlight-Assisted Water Splitting

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

UN SDGs

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