Journal Article

PUBDB-2020-02336

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Elucidating the Defect-Induced Changes in the Photocatalytic Activity of $TiO_{2}$

Wagstaffe, M.DESY* ; Noei, H. (Corresponding author)DESY* ; Stierle, A.DESY*

2020
Soc. Washington, DC

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Please use a persistent id in citations: doi:10.1021/acs.jpcc.0c02809

Abstract: The adsorption and subsequent photo-oxidation ofcarbon monoxide on the anatase TiO2(101) and rutile TiO2(110)single crystal surfaces was investigated using low temperature X-rayphotoelectron spectroscopy. Anatase was shown to significantlyoutperform rutile in terms of the rate of carbon dioxide yield onthe stoichiometric surface, and further to this, the presence ofdefects was shown to heavily influence the photocatalyticefficiency. The oxidation rate was reduced on anatase but increasedon rutile. This change is attributed to the location of defects withinthe crystal structure and is further discussed in this work. Thesefindings are of significant importance and demonstrate the possibilities of defect engineering in photocatalysis.

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Contributing Institute(s):

1. Nanolab (FS-NL)

Research Program(s):

1. 6213 - Materials and Processes for Energy and Transport Technologies (POF3-621) (POF3-621)
2. 6G2 - FLASH (POF3-622) (POF3-622)
3. SFB 986 A07 - Adsorption organischer Säuren auf Oxidoberflächen und Nanostrukturen (A07) (318017425) (318017425)
4. AIM - CUI: Advanced Imaging of Matter (390715994) (390715994)

Experiment(s):

1. FLASH Beamline PG2 (FLASH)
2. DESY NanoLab: Surface Spectroscopy

Appears in the scientific report 2020

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Database coverage:
; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Essential Science Indicators ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Web of Science Core Collection

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