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

Jin Hyun Kim, Yimhyun Jo, Ju Hun Kim, Ji Wook Jang, Hyun Jun Kang, Young Hye Lee, Dong Suk Kim, Yongseok Jun, Jae Sung Lee

Research output: Contribution to journalArticle

102 Citations (Scopus)

Abstract

A stand-alone, wireless solar water splitting device without external energy supply has been realized by combining in tandem a CH 3 NH 3 PbI 3 perovskite single junction solar cell with a cobalt carbonate (Co-Ci)-catalyzed, extrinsic/intrinsic dual-doped BiVO 4 (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 V RHE ) 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 V RHE ) on the same dual-doped BiVO 4 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.

Original languageEnglish
Pages (from-to)11820-11829
Number of pages10
JournalACS Nano
Volume9
Issue number12
DOIs
Publication statusPublished - 2015 Oct 29
Externally publishedYes

Fingerprint

water splitting
Cobalt
leaves
Hydrogen
absorbers
cobalt
solar cells
Sun
Water
Solar cells
Lighting
Oxygen
Photoelectrochemical cells
sun
hydrogen
Electrocatalysts
Carbonates
illumination
Perovskite
electrocatalysts

Keywords

  • artificial leaf
  • BiVO
  • cobalt carbonate
  • dual doping
  • perovskite solar cell
  • tandem cell

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

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; Lee, Jae Sung.

In: ACS Nano, Vol. 9, No. 12, 29.10.2015, p. 11820-11829.

Research output: Contribution to journalArticle

Kim, Jin Hyun ; Jo, Yimhyun ; Kim, Ju Hun ; Jang, Ji Wook ; Kang, Hyun Jun ; Lee, Young Hye ; Kim, Dong Suk ; Jun, Yongseok ; Lee, Jae Sung. / 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. In: ACS Nano. 2015 ; Vol. 9, No. 12. pp. 11820-11829.
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