Nanostructuring MoS2 for Photoelectrochemical Water Splitting

Zhebo Chen, Jakob Kibsgaard, Thomas F. Jaramillo

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

We synthesized molybdenum disulfide (MoS2) nanostructures and investigated their electrochemical activity for driving the hydrogen evolution activity as well as their photoelectrochemical activity for the water splitting reaction. MoS2 nanoparticles were made using a reverse micelle encapsulation method and exhibit quantum confinement of the indirect band gap up to 1.8 eV. A MoS2 double-gyroid bi-continuous structure was made using an evaporation induced self assembly method. Both nanostructures exhibit improved activity for the hydrogen evolution reaction versus bulk MoS2. Photoelectrochemical activity was also observed in both nanostructures.
Original languageEnglish
Title of host publicationProceedings of SPIE
Number of pages7
Volume7770
Publication date2010
Article number77700K
DOIs
Publication statusPublished - 2010
Externally publishedYes
EventSPIE Optics+Photonics - San Diego, United States
Duration: 1 Aug 20105 Aug 2010

Conference

ConferenceSPIE Optics+Photonics
CountryUnited States
CitySan Diego
Period01/08/201005/08/2010
SeriesProceedings of S P I E - International Society for Optical Engineering
ISSN0277-786X

Keywords

  • Double-gyroid
  • Molybdenum Disulfide
  • Nanoparticles
  • Photoelectrochemistry
  • Quantum confinement
  • Solar hydrogen
  • Water splitting

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