Characterizing surface states in hematite nanorod photoanodes, both beneficial and detrimental to solar water splitting efficiency-Reference-Cited by-同舟云学术

Characterizing surface states in hematite nanorod photoanodes, both beneficial and detrimental to solar water splitting efficiency

Published:2020 Issue:39 Volume:8 Page:20513-20530
ISSN:2050-7488
Container-title:Journal of Materials Chemistry A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Stanescu Dana¹²³⁴⁵^ORCID,Piriyev Mekan⁶⁵,Villard Victoria¹²³⁴⁵,Mocuta Cristian⁶⁵^ORCID,Besson Adrien⁶⁵,Ihiawakrim Dris⁷⁸⁹⁵^ORCID,Ersen Ovidiu⁷⁸⁹⁵^ORCID,Leroy Jocelyne¹⁰¹¹²¹²⁴^ORCID,Chiuzbaian Sorin G.¹³¹⁴¹⁵¹⁶¹⁷,Hitchcock Adam P.¹⁸¹⁹²⁰,Stanescu Stefan⁶⁵^ORCID

Affiliation:

1. Service de Physique de l'Etat Condensé (SPEC)

2. CEA

3. CNRS UMR 3680

4. Université Paris-Saclay

5. France

6. Synchrotron SOLEIL

7. Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS)

8. UMR 7504 CNRS – Université de Strasbourg

9. Strasbourg Cedex 2

10. Nanosciences et Innovation pour les Matériaux

11. la Biomédecine et l'Énergie (NIMBE)

12. CNRS UMR 3685

13. Sorbonne Universités

14. UPMC Univ. Paris 06

15. CNRS

16. Laboratoire de Chimie Physiqué – Matière et Rayonnement (UMR 7614)

17. 75252 Paris Cedex 05

18. Chemistry & Chemical Biology

19. McMaster University Hamilton

20. Canada

Abstract

Direct evidence for reductive and oxidative surface states coexisting in hematite nanostructures is given by combined STXM and PEC measurements. The annealing temperature and Ti substitution balance the surface states, driving the PEC activity.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2020/TA/D0TA06524B

Reference89 articles.

1. Electrochemical Photolysis of Water at a Semiconductor Electrode

2. Photoelectrochemical cells for solar hydrogen production: current state of promising photoelectrodes, methods to improve their properties, and outlook

3. Solar Water Splitting: Progress Using Hematite (α-Fe2O3) Photoelectrodes

4. Single Crystalline Hematite Films for Solar Water Splitting: Ti-Doping and Thickness Effects

5. Nanostructured photoelectrodes based on WO3: applications to photooxidation of aqueous electrolytes

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