Crossref journal-article
Wiley
ChemElectroChem (311)
Abstract

AbstractThere has been much interest recently in the discovery of new, non‐oxide materials for photoelectrochemical applications. The copper hydroxyphosphate mineral libethenite, Cu2(OH)PO4 (CHP), which has a Jahn–Teller distorted structure and d9 electron configuration, has recently been reported to display photocatalytic activity. To better understand the properties of this material, a detailed investigation of the relevant fundamental characteristics such as the flatband potential, conduction type, and band diagram was performed using electrochemical and photoelectrochemical methods on CHP thin films deposited onto fluorine‐doped tin oxide (FTO) substrates. Density functional theory was used to calculate the band structure, effective mass of electrons and holes, and vacancy formation energies in CHP. CHP was found to be active for electrochemical water oxidation, as confirmed by quantitative O2 measurements. Possible factors behind the low photocurrents observed in linear scanning voltammetry are discussed. Better understanding of this material may lead to the development of improved catalysts and photocatalysts from natural mineral sources.

Bibliography

Li, M., Cheng, Q., Wittman, R. M., Peng, X., & Chan, C. K. (2013). Electrochemical and Photoelectrochemical Properties of the Copper Hydroxyphosphate Mineral Libethenite. ChemElectroChem, 1(3), 663–672. Portico.

Authors 5
  1. Man Li (first)
  2. Qian Cheng (additional)
  3. Reed M. Wittman (additional)
  4. Xihong Peng (additional)
  5. Candace K. Chan (additional)
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Dates
Type When
Created 12 years, 1 month ago (July 10, 2013, 3:29 p.m.)
Deposited 1 year, 10 months ago (Oct. 9, 2023, 7:19 p.m.)
Indexed 1 year, 1 month ago (Aug. 7, 2024, 4:34 a.m.)
Issued 12 years, 1 month ago (July 10, 2013)
Published 12 years, 1 month ago (July 10, 2013)
Published Online 12 years, 1 month ago (July 10, 2013)
Published Print 11 years, 5 months ago (March 11, 2014)
Funders 0

None

@article{Li_2013, title={Electrochemical and Photoelectrochemical Properties of the Copper Hydroxyphosphate Mineral Libethenite}, volume={1}, ISSN={2196-0216}, url={http://dx.doi.org/10.1002/celc.201300046}, DOI={10.1002/celc.201300046}, number={3}, journal={ChemElectroChem}, publisher={Wiley}, author={Li, Man and Cheng, Qian and Wittman, Reed M. and Peng, Xihong and Chan, Candace K.}, year={2013}, month=jul, pages={663–672} }