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Controlled Synthesi...
Controlled Synthesis of CeO2/Graphene Nanocomposites with Highly Enhanced Optical and Catalytic Properties
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Jiang, Linhai (author)
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Yao, Mingguang (author)
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Liu, Bo (author)
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Li, Quanjun (author)
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Liu, Ran (author)
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Lv, Hang (author)
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Lu, Shuangchen (author)
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Gong, Chen (author)
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Zou, Bo (author)
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Cui, Tian (author)
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Liu, Bingbing (author)
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- Hu, Guangzhi (author)
- Umeå universitet,Institutionen för fysik
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- Wågberg, Thomas (author)
- Umeå universitet,Institutionen för fysik
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(creator_code:org_t)
- 2012-05-18
- 2012
- English.
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In: The Journal of Physical Chemistry C. - : American Chemical Society (ACS). - 1932-7447 .- 1932-7455. ; 116:21, s. 11741-11745
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- In this paper, CeO2 nanocubes with the (200)-terminated surface/graphene sheet composites have been prepared successfully by a simple hydrothermal method. It is found that the CeO2 nanocubes with high crystallinity and specific exposed surface are well dispersed on well-exfoliated graphene surface. The (200)-terminated surface/graphene sheet composites modified electrode showed much higher sensitivity and excellent selectivity in its catalytic performance compared to a CeO2 nanoparticle-modified electrode. The photoluminescence intensity of the CeO2 anchored on graphene is about 30 times higher than that of pristine CeO2 crystals in air. The higher oxygen vacancy concentration in CeO2 is supposed to be an important cause for the higher photoluminescence and better electrochemical catalytic performance observed in the (200)-terminated surface/graphene sheet composites. Such ingenious design of supported well-dispersed catalysts in nanostructured ceria catalysts, synthesized in one step with an exposed high-activity surface, is important for technical applications and theoretical investigations.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Jiang, Linhai
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Yao, Mingguang
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Liu, Bo
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Li, Quanjun
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Liu, Ran
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Lv, Hang
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show more...
-
Lu, Shuangchen
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Gong, Chen
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Zou, Bo
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Cui, Tian
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Liu, Bingbing
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Hu, Guangzhi
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Wågberg, Thomas
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Nano technology
- Articles in the publication
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The Journal of P ...
- By the university
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Umeå University