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CuO hollow microspheres self-assembled with nanobars: Synthesis and their sensing properties to formaldehyde
Meng, Dan; Liu, Dongyu; Wang, Guosheng; San, Xiaoguang; Shen, Yanbai; Jin, Quan; Meng, Fanli
2017
Source PublicationVACUUM
ISSN0042-207X
Volume144Issue:00Pages:272
Abstract

CuO hollow microspheres were synthesized via a facile hydrothermal process. Copper nitrate trihydrate (Cu(NO3)(2)center dot 3H(2)O) was used as copper source and cetyltrimethylammonium bromide (CTAB) was used as soft template. The morphology and crystal structure of products were systematically investigated by XRD, FESEM, TEM, FT-IR and BET. CuO hollow microspheres were identified as monoclinic structure. The hollow microspheres were assembled by a number of nanobars which were composed of smaller nanograins. The formaldehyde gas sensing properties of CuO products with different morphologies were investigated. The results indicated that the sensor based on CuO hollow microspheres exhibited high gas response, fast reversible and response, good selectivity and stability to formaldehyde gas. This is attributed to hollow structures with the largest specific surface area and an effective gas diffusion path in favor of mass transportation and gas diffusion. (C) 2017 Elsevier Ltd. All rights reserved.

KeywordCopper Oxide Hollow Microspheres Hydrothermal Gas Sensing
SubtypeArticle
DOI10.1016/j.vacuum.2017.08.013
Language英语
WOS IDWOS:000411775500037
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23517
Collection研究所(批量导入)
Corresponding AuthorJin, Quan; Meng, Fanli
Recommended Citation
GB/T 7714
Meng, Dan,Liu, Dongyu,Wang, Guosheng,et al. CuO hollow microspheres self-assembled with nanobars: Synthesis and their sensing properties to formaldehyde[J]. VACUUM,2017,144(00):272.
APA Meng, Dan.,Liu, Dongyu.,Wang, Guosheng.,San, Xiaoguang.,Shen, Yanbai.,...&Meng, Fanli.(2017).CuO hollow microspheres self-assembled with nanobars: Synthesis and their sensing properties to formaldehyde.VACUUM,144(00),272.
MLA Meng, Dan,et al."CuO hollow microspheres self-assembled with nanobars: Synthesis and their sensing properties to formaldehyde".VACUUM 144.00(2017):272.
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