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Zinc oxide nanostructures and its nano-compounds for efficient visible light photo-catalytic processes
Linköping University, Department of Science and Technology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, Faculty of Science & Engineering.
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2017 (English)In: OXIDE-BASED MATERIALS AND DEVICES VIII, SPIE - International Society for Optical Engineering, 2017, Vol. 10105, UNSP 101050XConference paper, Published paper (Refereed)
Abstract [en]

Zinc oxide (ZnO) in its nanostructure form is a promising material for visible light emission/absorption and utilization in different energy efficient photocatalytic processes. We will first present our recent results on the effect of varying the molar ratio of the synthesis nutrients on visible light emission. Further we will use the optimized conditions from the molar ration experiments to vary the synthesis processing parameters like stirring time etc. and the effect of all these parameters in order to optimize the efficiency and control the emission spectrum are investigated using different complementary techniques. Cathodoluminescence (CL) is combined with photoluminescence (PL) and electroluminescence (EL) as the techniques to investigate and optimizes visible light emission from ZnO/GaN light emitting diodes. We will then show and discuss our recent finding of the use of high quality ZnO nanoparticles (NPs) for efficient photo-degradation of toxic dyes using the visible spectra, namely with a wavelength up to 800 nm. In the end, we show how ZnO nanorods (NRs) are used as the first template to be transferred to bismuth zinc vanadate (BiZn2VO6). The BiZn2VO6 is then used to demonstrate efficient and cost effective hydrogen production through photo-electrochemical water splitting using solar radiation.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2017. Vol. 10105, UNSP 101050X
Series
Proceedings of SPIE, ISSN 0277-786X
Keyword [en]
Zinc oxide nanostructures; bismuth zinc vanadate; nanoparticles; nanorods; optical properties; nanocompounds; visible light photo-processes; photodegradation; photo-electrochemical processes
National Category
Other Chemistry Topics
Identifiers
URN: urn:nbn:se:liu:diva-139648DOI: 10.1117/12.2254872ISI: 000405598700017Scopus ID: 2-s2.0-85019623217ISBN: 978-1-5106-0651-7 (electronic)ISBN: 978-1-5106-0652-4 (print)OAI: oai:DiVA.org:liu-139648DiVA: diva2:1133700
Conference
8th Conference on Oxide-Based Materials and Devices VIII, San Francisco, California, United States, January 28 - February 2, 2017
Available from: 2017-08-16 Created: 2017-08-16 Last updated: 2017-08-25Bibliographically approved

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Mohammed, Rania Elhadi AdamAlnoor, HatimElhag, SamiNur, OmerWillander, Magnus
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