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Flower-like ZnO grown on urchin-like CuO microspheres for catalytic synthesis of dimethyldichlorosilane
Zhu, Yongxia1,2; Wang, Yingli2; Song, Lianying2; Chen, Xin2; Liu, Wuyuan2; Sun, Jin1; She, Xilin1; Zhong, Ziyi3; Su, Fabing2
2013
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume3Issue:25Pages:9794-9802
AbstractWe report the rational growth of flower-like ZnO on urchin-like CuO (f-ZnO@u-CuO) microspheres via a facile solvothermal method using copper nitrate and zinc nitrate as precursors in the presence of sodium nitrate and ethanol. A formation mechanism was proposed based on the observation of a series of reaction intermediates. The samples were characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy with energy-dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, inductively coupled plasma optical emission spectrometer, and temperature-programmed reduction. It was found that the morphology of the samples was highly dependent on the synthesis conditions, particularly the reaction time and the ammonia amount added. As a copper-based catalyst for dimethyldichlorosilane synthesis via the Rochow reaction, f-ZnO@u-CuO microspheres show better catalytic performance than the Cu-based catalysts physically mixed with ZnO promoter, probably because of the well-developed p-n heterojunction structures at the CuO and ZnO interfaces that generate a much strong synergistic effect. The work provides a simple method to synthesize hierarchical CuO/ZnO composites and would be helpful for understanding the catalytic mechanism of the Rochow reaction.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c3ra00171g
Indexed BySCI
Language英语
WOS KeywordTEMPERATURE-PROGRAMMED REDUCTION ; ROCHOW REACTION ; HOLLOW SPHERES ; SOLUTION ROUTE ; H2S DETECTION ; MECHANISM ; COPPER ; METHYLCHLOROSILANES ; PERFORMANCE ; SILICON
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000319942700035
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13376
Collection研究所(批量导入)
Affiliation1.Qingdao Univ, Coll Chem & Environm Engn, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.ASTAR, Inst Chem Engn & Sci, Singapore 627833, Singapore
Recommended Citation
GB/T 7714
Zhu, Yongxia,Wang, Yingli,Song, Lianying,et al. Flower-like ZnO grown on urchin-like CuO microspheres for catalytic synthesis of dimethyldichlorosilane[J]. RSC ADVANCES,2013,3(25):9794-9802.
APA Zhu, Yongxia.,Wang, Yingli.,Song, Lianying.,Chen, Xin.,Liu, Wuyuan.,...&Su, Fabing.(2013).Flower-like ZnO grown on urchin-like CuO microspheres for catalytic synthesis of dimethyldichlorosilane.RSC ADVANCES,3(25),9794-9802.
MLA Zhu, Yongxia,et al."Flower-like ZnO grown on urchin-like CuO microspheres for catalytic synthesis of dimethyldichlorosilane".RSC ADVANCES 3.25(2013):9794-9802.
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