Black phosphorene as a hole extraction layer boosting solar water splitting of oxygen evolution catalysts

Kan Zhang; Bingjun Jin; Cheolwoo Park; Yoonjun Cho; Xiufeng Song; Xinjian Shi; Shengli Zhang; Wooyul Kim; Haibo Zeng; Jong Hyeok Park

doi:10.1038/s41467-019-10034-1

Black phosphorene as a hole extraction layer boosting solar water splitting of oxygen evolution catalysts

Kan Zhang, Bingjun Jin, Cheolwoo Park, Yoonjun Cho, Xiufeng Song, Xinjian Shi, Shengli Zhang, Wooyul Kim, Haibo Zeng, Jong Hyeok Park

Department of Chemical and Biomolecular Engineering

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

208 Citations (Scopus)

Abstract

As the development of oxygen evolution co-catalysts (OECs) is being actively undertaken, the tailored integration of those OECs with photoanodes is expected to be a plausible avenue for achieving highly efficient solar-assisted water splitting. Here, we demonstrate that a black phosphorene (BP) layer, inserted between the OEC and BiVO ₄ can improve the photoelectrochemical performance of pre-optimized OEC/BiVO ₄ (OEC: NiOOH, MnO _x, and CoOOH) systems by 1.2∼1.6-fold, while the OEC overlayer, in turn, can suppress BP self-oxidation to achieve a high durability. A photocurrent density of 4.48 mA·cm ⁻² at 1.23 V vs reversible hydrogen electrode (RHE) is achieved by the NiOOH/BP/BiVO ₄ photoanode. It is found that the intrinsic p-type BP can boost hole extraction from BiVO ₄ and prolong holes trapping lifetime on BiVO ₄ surface. This work sheds light on the design of BP-based devices for application in solar to fuel conversion, and also suggests a promising nexus between semiconductor and electrocatalyst.

Original language	English
Article number	2001
Journal	Nature communications
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41467-019-10034-1
Publication status	Published - 2019 Dec 1

Bibliographical note

Funding Information:
This work was supported by NSFC (51802157, 5151101197, 61725402), the Natural Science Foundation of Jiangsu Province of China (BK20180493), NRF Korea (NRF-2019R1A2C3010479, 2015M1A2A2074663, 2016M3D3A1A01913254 (C1 Gas Refinery Program)), the Fundamental Research Funds for the Central Universities (Nos. 30917011202, 30915012205, 30916015106), and PAPD of Jiangsu Higher Education Institutions. K.Z. acknowledges the support by “the Fundamental Research Funds for the Central Universities”, No.30918011106. K.Z. and B.J.J. contributed equally to this work.

Publisher Copyright:
© 2019, The Author(s).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Biochemistry, Genetics and Molecular Biology(all)
Physics and Astronomy(all)

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10.1038/s41467-019-10034-1

Cite this

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title = "Black phosphorene as a hole extraction layer boosting solar water splitting of oxygen evolution catalysts",

abstract = " As the development of oxygen evolution co-catalysts (OECs) is being actively undertaken, the tailored integration of those OECs with photoanodes is expected to be a plausible avenue for achieving highly efficient solar-assisted water splitting. Here, we demonstrate that a black phosphorene (BP) layer, inserted between the OEC and BiVO 4 can improve the photoelectrochemical performance of pre-optimized OEC/BiVO 4 (OEC: NiOOH, MnO x, and CoOOH) systems by 1.2∼1.6-fold, while the OEC overlayer, in turn, can suppress BP self-oxidation to achieve a high durability. A photocurrent density of 4.48 mA·cm −2 at 1.23 V vs reversible hydrogen electrode (RHE) is achieved by the NiOOH/BP/BiVO 4 photoanode. It is found that the intrinsic p-type BP can boost hole extraction from BiVO 4 and prolong holes trapping lifetime on BiVO 4 surface. This work sheds light on the design of BP-based devices for application in solar to fuel conversion, and also suggests a promising nexus between semiconductor and electrocatalyst.",

author = "Kan Zhang and Bingjun Jin and Cheolwoo Park and Yoonjun Cho and Xiufeng Song and Xinjian Shi and Shengli Zhang and Wooyul Kim and Haibo Zeng and Park, {Jong Hyeok}",

note = "Funding Information: This work was supported by NSFC (51802157, 5151101197, 61725402), the Natural Science Foundation of Jiangsu Province of China (BK20180493), NRF Korea (NRF-2019R1A2C3010479, 2015M1A2A2074663, 2016M3D3A1A01913254 (C1 Gas Refinery Program)), the Fundamental Research Funds for the Central Universities (Nos. 30917011202, 30915012205, 30916015106), and PAPD of Jiangsu Higher Education Institutions. K.Z. acknowledges the support by “the Fundamental Research Funds for the Central Universities”, No.30918011106. K.Z. and B.J.J. contributed equally to this work. Publisher Copyright: {\textcopyright} 2019, The Author(s).",

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AU - Zhang, Kan

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AU - Shi, Xinjian

AU - Zhang, Shengli

AU - Kim, Wooyul

AU - Zeng, Haibo

AU - Park, Jong Hyeok

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N2 - As the development of oxygen evolution co-catalysts (OECs) is being actively undertaken, the tailored integration of those OECs with photoanodes is expected to be a plausible avenue for achieving highly efficient solar-assisted water splitting. Here, we demonstrate that a black phosphorene (BP) layer, inserted between the OEC and BiVO 4 can improve the photoelectrochemical performance of pre-optimized OEC/BiVO 4 (OEC: NiOOH, MnO x, and CoOOH) systems by 1.2∼1.6-fold, while the OEC overlayer, in turn, can suppress BP self-oxidation to achieve a high durability. A photocurrent density of 4.48 mA·cm −2 at 1.23 V vs reversible hydrogen electrode (RHE) is achieved by the NiOOH/BP/BiVO 4 photoanode. It is found that the intrinsic p-type BP can boost hole extraction from BiVO 4 and prolong holes trapping lifetime on BiVO 4 surface. This work sheds light on the design of BP-based devices for application in solar to fuel conversion, and also suggests a promising nexus between semiconductor and electrocatalyst.

AB - As the development of oxygen evolution co-catalysts (OECs) is being actively undertaken, the tailored integration of those OECs with photoanodes is expected to be a plausible avenue for achieving highly efficient solar-assisted water splitting. Here, we demonstrate that a black phosphorene (BP) layer, inserted between the OEC and BiVO 4 can improve the photoelectrochemical performance of pre-optimized OEC/BiVO 4 (OEC: NiOOH, MnO x, and CoOOH) systems by 1.2∼1.6-fold, while the OEC overlayer, in turn, can suppress BP self-oxidation to achieve a high durability. A photocurrent density of 4.48 mA·cm −2 at 1.23 V vs reversible hydrogen electrode (RHE) is achieved by the NiOOH/BP/BiVO 4 photoanode. It is found that the intrinsic p-type BP can boost hole extraction from BiVO 4 and prolong holes trapping lifetime on BiVO 4 surface. This work sheds light on the design of BP-based devices for application in solar to fuel conversion, and also suggests a promising nexus between semiconductor and electrocatalyst.

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Black phosphorene as a hole extraction layer boosting solar water splitting of oxygen evolution catalysts

Abstract

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UN SDGs

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