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- Title
Syntheses and proton conductivity of mesoporous NdO-SiO and NdOCl-SiO composites.
- Authors
Yue, Wenbo; Xu, Xiaoxiang; Su, Zixue; Irvine, John; Zou, Yongcun; Liu, Yunling; Zhou, Wuzong
- Abstract
Two mesoporous oxide composites of NdO-SiO and NdOCl-SiO were synthesized using SBA-15 as a template and neodymium nitrate or neodymium chloride as a precursor. The porous NdO-SiO with a SBA-15-like structure has amorphous walls and the porous NdOCl-SiO with a replicated structure of SBA-15 has crystalline walls. These porous materials were characterized by X-ray diffraction, transmission electron microscopy and nitrogen adsorption/desorption. They exhibited significant proton conductivities in the presence of moisture at low temperatures and the highest conductivity observed was 4.55 × 10 S/cm at 47 °C in wet air (RH = 28.6%).
- Subjects
PROTONS; COMPOSITE materials research; MESOPOROUS materials; NEODYMIUM; TRANSMISSION electron microscopy; X-ray diffraction
- Publication
Journal of Materials Science, 2012, Vol 47, Issue 5, p2146
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-011-6015-5