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Title: Supported black phosphorus nanosheets as hydrogen-evolving photocatalyst achieving 5.4% energy conversion efficiency at 353 K

Journal Article · · Nature Communications
 [1];  [1];  [2];  [2];  [3];  [1]; ORCiD logo [4]
  1. Taiyuan Univ. of Technology, Taiyuan (China). Key Lab. of Advanced Transducers and Intelligent Control System of Ministry of Education, College of Physics and Optoelectronics
  2. Univ. of California, Berkeley, CA (United States). Dept. of Materials Science and Engineering; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry
  3. Dalian Nationalities Univ., Dalian (China). College of Life science
  4. Taiyuan Univ. of Technology, Taiyuan (China). Key Lab. of Advanced Transducers and Intelligent Control System of Ministry of Education, College of Physics and Optoelectronics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry

Solar-driven water splitting using powdered catalysts is considered as the most economical means for hydrogen generation. However, four-electron-driven oxidation half-reaction showing slow kinetics, accompanying with insufficient light absorption and rapid carrier combination in photocatalysts leads to low solar-to-hydrogen energy conversion efficiency. Here, we report amorphous cobalt phosphide (Co-P)-supported black phosphorus nanosheets employed as photocatalysts can simultaneously address these issues. The nanosheets exhibit robust hydrogen evolution from pure water (pH = 6.8) without bias and hole scavengers, achieving an apparent quantum efficiency of 42.55% at 430 nm and energy conversion efficiency of over 5.4% at 353 K. This photocatalytic activity is attributed to extremely efficient utilization of solar energy (~75% of solar energy) by black phosphorus nanosheets and high-carrier separation efficiency by amorphous Co-P. The hybrid material design realizes efficient solar-to-chemical energy conversion in suspension, demonstrating the potential of black phosphorus-based materials as catalysts for solar hydrogen production.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1493270
Journal Information:
Nature Communications, Vol. 9, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 198 works
Citation information provided by
Web of Science

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Cited By (27)

A Low-Cost Metal-Free Photocatalyst Based on Black Phosphorus journal November 2018
Stable functionalized phosphorenes with photocatalytic HER activity journal January 2019
Black Phosphorus, a Rising Star 2D Nanomaterial in the Post-Graphene Era: Synthesis, Properties, Modifications, and Photocatalysis Applications journal January 2019
Facile One-Step Synthesis of Black Phosphorus via Microwave Irradiation with Excellent Photocatalytic Activity journal September 2018
Black phosphorus: an efficient co-catalyst for charge separation and enhanced photocatalytic hydrogen evolution journal August 2018
Manipulating spin polarization of titanium dioxide for efficient photocatalysis journal January 2020
Recent Progress on Black Phosphorus‐Based Materials for Photocatalytic Water Splitting journal September 2018
Room-temperature pyro-catalytic hydrogen generation of 2D few-layer black phosphorene under cold-hot alternation journal July 2018
Two-dimensional amorphous NiO as a plasmonic photocatalyst for solar H2 evolution journal October 2018
Ultrathin Two‐Dimensional Semiconductors for Photocatalysis in Energy and Environment Applications journal October 2019
High‐Yield Electrochemical Production of Large‐Sized and Thinly Layered NiPS 3 Flakes for Overall Water Splitting journal June 2019
An overview of the optical properties and applications of black phosphorus journal January 2020
Black Phosphorus‐Based Semiconductor Heterojunctions for Photocatalytic Water Splitting journal January 2020
Recent advances and demonstrated potentials for clean hydrogen via overall solar water splitting journal January 2019
Unusual oxidation-induced core-level shifts at the HfO2/InP interface journal February 2019
Photocatalytic Systems for Carbon Dioxide Conversion to Hydrocarbons book January 2020
Stabilizing black phosphorus nanosheets via edge-selective bonding of sacrificial C60 molecules journal October 2018
A heterojunction strategy to improve the visible light sensitive water splitting performance of photocatalytic materials journal January 2018
2D Elemental Nanomaterials Beyond Graphene journal June 2019
Direct Z‐Scheme Hetero‐phase Junction of Black/Red Phosphorus for Photocatalytic Water Splitting journal July 2019
Construction of Defective Zinc–Cadmium–Sulfur Nanorods for Visible‐Light‐Driven Hydrogen Evolution Without the Use of Sacrificial Agents or Cocatalysts journal January 2020
Direct Z-Scheme Hetero-phase Junction of Black/Red Phosphorus for Photocatalytic Water Splitting journal July 2019
Activating Basal Planes of NiPS 3 for Hydrogen Evolution by Nonmetal Heteroatom Doping journal February 2020
In Situ Exfoliation and Pt Deposition of Antimonene for Formic Acid Oxidation via a Predominant Dehydrogenation Pathway journal January 2020
Elimination of 4‐chlorophenol in aqueous solution by the Novel Pd/MIL‐101(Cr)‐Hydrogen‐Accelerated catalytic fenton system journal August 2019
Ultra fast metal-free reduction catalyst of partial oxidized violet phosphorus synthesized via controlled mechanical energy journal September 2019
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Figures / Tables (7)