Cited by 266Advanced Photocatalysis TechniquesTiO2 Photocatalysis and Solar CellsIron oxide chemistry and applications

Wireless Solar Water Splitting Device with Robust Cobalt-Catalyzed, Dual-Doped BiVO 4 Photoanode and Perovskite Solar Cell in Tandem: A Dual Absorber Artificial Leaf

Kim, Jin Hyun, Jo, Yimhyun, Kim, Ju Hun, Jang, Ji Wook, Kang, Hyun Jun, Lee, Young Hye, Kim, Dong Suk, Jun, Yongseok +1 more·2015·ACS Nano

Abstract

A stand-alone, wireless solar water splitting device without external energy supply has been realized by combining in tandem a CH3NH3PbI3 perovskite single junction solar cell with a cobalt carbonate (Co-Ci)-catalyzed, extrinsic/intrinsic dual-doped BiVO4 (hydrogen-treated and 3 at% Mo-doped). The photoanode recorded one of the highest photoelectrochemical water oxidation activity (4.8 mA/cm(2) at 1.23 VRHE) under simulated 1 sun illumination. The oxygen evolution Co-Ci co-catalyst showed similar performance to best known cobalt phosphate (Co-Pi) (5.0 mA/cm(2) at 1.23 VRHE) on the same dual-doped BiVO4 photoanode, but with significantly better stability. A tandem artificial-leaf-type device produced stoichiometric hydrogen and oxygen with an average solar-to-hydrogen efficiency of 4.3% (wired), 3.0% (wireless) under simulated 1 sun illumination. Hence, our device based on a D4 tandem photoelectrochemical cell represents a meaningful advancement in performance and cost over the device based on a triple-junction solar cell-electrocatalyst combination.

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Crossref · 10.1021/acsnano.5b03859

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  • When the photoanode was placed on top, the efficiency and Jsc of the solar cell dropped to 10.2% and 14.0 mA cm-2, respectively, except for Voc.

    “However, when the photoanode was placed on top, the efficiency and J sc of the solar cell dropped to 10.2% and 14.0 mA cm -2 , respectively, except for V oc (Figure 9d).”
  • The actual stand-alone device showed a stable photocurrent of 3.5 mA cm-2 measured in unassisted solar water-splitting for a continuous 12 h, and the STH efficiency of 3.0% was estimated from the amount of gas evolution.

    “The actual stand-alone device showed a stable photocurrent of 3.5 mA cm -2 measured in unassisted solar water-splitting for a continuous 12 h (Figure 9e), and the STH efficiency of 3.0% was estimated from the amount of gas evolution (Figure 9f).”
  • The PSC exhibited an efficiency of 15.4%, a Voc of 1.07 V, a Jsc of 21.4 mA cm-2, and a FF of 67.5%.

    “The PSC exhibited an efficiency of 15.4%, a V oc of 1.07 V, a J sc of 21.4 mA cm -2 , and a FF of 67.5%.”
  • The Co-Ci/H, 3% Mo:BiVO4 photoanode showed excellent stability with no change in photocurrent values over 12 h, and under 1 sun illumination, a faradaic efficiency (FE) of 100% was calculated for H2 and O2 generation.

    “The Co-Ci/H, 3% Mo:BiVO 4 photoanode showed excellent stability with no change in photocurrent values over 12 h, and under 1 sun illumination, a faradaic efficiency (FE) of 100% was calculated for H 2 and O 2 generation (Figure 9c).”
  • Kim et al. reported a wireless solar-powered water-splitting device that is highly efficient and durable for driving sustainable solar fuel production.

    “Kim et al. [249] reported a wireless solar-powered water-splitting device that is highly efficient and durable for driving sustain-able solar fuel production (Figure 9a).”

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Authors
Kim, J. H., Jo, Y., Kim, J. H., Jang, J. W., Kang, H. J., Lee, Y. H., Kim, D. S., Jun, Y., & Lee, J. S.
Affiliations
  • Pohang University of Science and Technology (KR)
  • Korea Institute of Energy Research (KR)
  • Ulsan National Institute of Science and Technology (KR)
  • Konkuk University (KR)
Corresponding author
Lee, Jae Sung
Venue
ACS Nano
Published
2015-11-05
Volume
9
Issue
12
Pages
11820-11829
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2289994827
Cited by
266
References
57
Citations by year
2026: 13 · 2025: 23 · 2024: 15 · 2023: 27 · 2022: 19 · 2021: 23 · 2020: 33 · 2019: 36 · 2018: 36 · 2017: 23 · 2016: 17 · 2015: 1
FWCI
7.60
Type
journal article
Language
en
Open access
closed
Locations
  • ACS Nano (publishedVersion)
  • PubMed (publishedVersion)
  • Open Access System for Information Sharing (Pohang University of Science and Technology) (submittedVersion)
  • Scholarworks@UNIST (Ulsan National Institute of Science and Technology) (submittedVersion)
Funders
  • Ministry of Trade, Industry and Energy (10050509)
  • Ministry of Science, ICT and Future Planning (2009-0093880)
  • Ministry of Education, Republic of Korea (10Z20130011057)
  • Ulsan National Institute of Science and Technology (1.150056.01)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Advanced Photocatalysis Techniques
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › TiO2 Photocatalysis and Solar Cells
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Iron oxide chemistry and applications
Keywords
solar water splitting, artificial leaf, photoelectrochemical water oxidation, BiVO4 photoanode, tandem photoelectrochemical cells, Mo-doped BiVO4, hydrogen evolution reaction, oxygen evolution reaction, solar-to-hydrogen efficiency

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