Effect of anodic polarization on the free-floating parts at Pt/YSZ catalyst electrode
Effect of anodic polarization on the free-floating parts at Pt/YSZ catalyst electrode
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阳极极化对 Pt/YSZ 催化剂电极自由浮动部分的影响
DOI:
10.1016/j.apsusc.2015.01.088
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发表时间:
2015
影响因子:
6.7
通讯作者:
Ronald Imbihl
中科院分区:
文献类型:
--
作者:
Arafat Toghan;Ronald Imbihl
Photoemission electron microscopy (PEEM) was used as spatially resolving method to explore the effect of electrochemical pumping with a positive voltage to porous platinum electrodes interfaced as working electrode to yttrium stabilized zirconia (YSZ). The experiments were conducted under UHV conditions (p≈ 10−9mbar). In PEEM a uniform rapid darkening of the Pt surface was observed during anodic polarization followed by the appearance of bright spots on a dark background. The bright spots observed in PEEM images are due to zirconia reduction around electrically isolated Pt islands.
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1993
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2007
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1997
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2010
期刊:
Physical Chemistry, Chemical Physics - PCCP
影响因子:
--
作者:
Arafat Toghan;Liz M. Rösken;R. Imbihl
通讯作者:
R. Imbihl