Formation of nanoparticles in water-in-oil microemulsions controlled by the yield of hydrated electron: The controlled reduction of Cu2+ | |
Chen, Qingde; Shen, Xinghai; Gao, Hongcheng | |
刊名 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2007-04-15 | |
卷号 | 308期号:2页码:491-499 |
关键词 | Microemulsion Hydrated Electrons Gamma-irradiation Cuprous Oxide Copper Nanoparticles Controlled Reduction |
ISSN号 | 0021-9797 |
DOI | 10.1016/j.jcis.2006.12.021 |
英文摘要 | In the water-in-oil (W/O) microemulsions based on nonionic surfactants, i.e., Brij 30, Brij 56, or Triton X-100, the omega value (molar ratio of water to surfactant), anion, and surfactant could remarkably affect the radiolytic reduction of Cu2+ and the morphologies of the reduction products simultaneously. The addition of toluene or naphthalene could transform the reduction products from copper to cuprous oxide in the Brij 56-based microemulsion, and the efficiency of naphthalene was obviously higher than that of toluene. After the effects of pH value and cosurfactant were excluded. it could be concluded that the effects of the omega value, the anion, and the structure of the surfactant on the yield of hydrated electrons (e(aq)(-)) play a key role in the radiolytic reduction of Cu2+. It was also suggested that the morphology of the reduction product may be controlled by the yield of e(aq)(-). (c) 2007 Elsevier Inc. All rights reserved. |
语种 | 英语 |
出版者 | ACADEMIC PRESS INC ELSEVIER SCIENCE |
WOS记录号 | WOS:000244841500026 |
内容类型 | 期刊论文 |
源URL | [http://ir.iccas.ac.cn/handle/121111/60567] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Shen, Xinghai |
作者单位 | Peking Univ, Coll Chem & Mol Engn, Dept Appl Chem, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China |
推荐引用方式 GB/T 7714 | Chen, Qingde,Shen, Xinghai,Gao, Hongcheng. Formation of nanoparticles in water-in-oil microemulsions controlled by the yield of hydrated electron: The controlled reduction of Cu2+[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2007,308(2):491-499. |
APA | Chen, Qingde,Shen, Xinghai,&Gao, Hongcheng.(2007).Formation of nanoparticles in water-in-oil microemulsions controlled by the yield of hydrated electron: The controlled reduction of Cu2+.JOURNAL OF COLLOID AND INTERFACE SCIENCE,308(2),491-499. |
MLA | Chen, Qingde,et al."Formation of nanoparticles in water-in-oil microemulsions controlled by the yield of hydrated electron: The controlled reduction of Cu2+".JOURNAL OF COLLOID AND INTERFACE SCIENCE 308.2(2007):491-499. |
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