Synthesis and Optical Property of ZnO/SiO2 Nanocomposite Cryogels
文献类型：期刊论文
| 作者 | Su, Lifen1; Miao, Lei2 ; Zhang, Ming3; Qian, Jiasheng1; Xia, Ru1; Yang, Bin1; Chen, Peng1
|
| 刊名 | asian journal of chemistry
 |
| 出版日期 | 2014-03-01 |
| 卷号 | 26期号:5页码:1257-1260 |
| 关键词 | Optical band gap ZnO/SiO2 nanocomposites Cryogels Co-precursor method |
| 英文摘要 | in this paper, zno cryogels with a dopant of sio2 with molar ratio of 9:1 to 1:1 were prepared by sol-gel technology and dried by a novel vacuum freeze drying using a co-precursor method. the as-prepared zno/sio2 nanocomposites were annealed in air at 250, 500 and 800 degrees c for 45 min, respectively. the structure and morphology of the nanocomposites were determined by x-ray diffraction (xrd) and field emission scanning electron microscopy. the optical properties were estimated not only by uv-visible spectrometer but also theoretical calculation. the annealed nanocomposites exhibited hexagonal wurtzite structure zno and whose crystallinity became better as an increase of annealing temperature. the amounts of doping sio2 affect the optical band gaps and morphology of zno/sio2 nanocomposites significantly. after annealing, the obtained zno nanorods grow up in size from the sem images with annealing temperature ranging from 250 to 500 degrees c and flowerlike zno was formed with tetragonal pillars at 800 degrees c. |
| WOS标题词 | science & technology ; physical sciences |
| 类目[WOS] | chemistry, multidisciplinary |
| 研究领域[WOS] | chemistry |
| 关键词[WOS] | chemical-synthesis ; zno ; gel ; nanostructures ; composites ; route |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000335836800001 |
| 源URL | [http://ir.giec.ac.cn/handle/344007/10738]  |
| 专题 | 中国科学院广州能源研究所 |
| 作者单位 | 1.Anhui Univ, Anhui Prov Key Lab Environm Friendly Polymer Mat, Coll Chem & Chem Engn, Hefei 230601, Peoples R China 2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China 3.Yokohama Natl Univ, Dept Phys, Grad Sch Engn, Yokohama, Kanagawa 2408501, Japan |
| 推荐引用方式 GB/T 7714 | Su, Lifen,Miao, Lei,Zhang, Ming,et al. Synthesis and Optical Property of ZnO/SiO2 Nanocomposite Cryogels[J]. asian journal of chemistry,2014,26(5):1257-1260. |
| APA | Su, Lifen.,Miao, Lei.,Zhang, Ming.,Qian, Jiasheng.,Xia, Ru.,...&Chen, Peng.(2014).Synthesis and Optical Property of ZnO/SiO2 Nanocomposite Cryogels.asian journal of chemistry,26(5),1257-1260. |
| MLA | Su, Lifen,et al."Synthesis and Optical Property of ZnO/SiO2 Nanocomposite Cryogels".asian journal of chemistry 26.5(2014):1257-1260. |
入库方式： OAI收割
来源：广州能源研究所
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