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2008297金虫 (著名写手)
搬砖小能手
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[求助]
急求两篇文章的检索号，，非常感谢
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1. 标题: Synthesis and Structural Characterization of Graphene-Based Membranes 作者: Yang, YH; Sun, HJ; Peng, TJ, et al. 来源出版物: ACTA PHYSICO-CHIMICA SINICA 卷: 27 期: 3 页: 736-742 出版年: 2011 被引频次: 0 2. 标题: Synthesis and Structural Characterization of Graphene by Oxidation Reduction 作者: Yang, YH; Sun, HJ; Peng, TJ 来源出版物: CHINESE JOURNAL OF INORGANIC CHEMISTRY 卷: 26 期: 11 页: 2083-2090 出版年: 2010  |
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studyhae
木虫 (正式写手)
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- 专业: 河流海岸动力学与泥沙研究
【答案】应助回帖
2008297(金币+10): 2011-04-22 12:30:08
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作者: Yang, YH (Yang Yong-Hui); Sun, HJ (Sun Hong-Juan); Peng, TJ (Peng Tong-Jiang); Huang, QA (Huang Qiao) 标题: Synthesis and Structural Characterization of Graphene-Based Membranes 来源出版物: ACTA PHYSICO-CHIMICA SINICA, 27 (3): 736-742 MAR 2011 语言: Chinese 文献类型: Article 作者关键词: Graphite; Graphite oxide; Graphene; Oxidation reduction; Crystal structure KeyWords Plus: EXFOLIATED GRAPHITE OXIDE; AQUEOUS DISPERSIONS; REDUCTION; NANOSHEETS; SHEETS; CARBON 摘要: A stable hydrosol of graphene was synthesized by oxidation reduction and then a flow assembly of this graphene was used to form a graphene-based membrane by vacuum extraction filtering method. X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy, particle size analysis, and scanning probe microscopy (SPM) were used to characterize the crystal structure, granularity, and characteristic change of the molecular spectrum of the samples in the reaction. FTIR tests show that the structural layer of graphite during the oxidation process bonds to a large number of functional groups and parts of these stable functional groups remain on the reduced structural layer of graphene. X-ray diffraction results show that the peaks of the graphite oxide shift to lower angles, become broader and the original graphite peak disappears. Suspensions of graphene oxide form condensed matter and graphene flocculating constituent during film deposition. Particle size analysis and SPM tests show that the particle sizes of the graphene oxide sheets that are dispersed in water show a tailing peak and a broad distribution while the graphene sheets show a singlet, narrower distribution, and smaller dimensions. Raman results show that during oxidation and reduction, the D peak and G peak of the samples gradually extend, I-D/I-G increases gradually and the degree of sample disorder increases. On the basis of the above analyses, the structural characteristics of the samples in the reaction are summarized. 地址: [Sun Hong-Juan; Peng Tong-Jiang] SW Univ Sci & Technol, Inst Mineral Mat & Applicat, Mianyang 621010, Sichuan Prov, Peoples R China; [Yang Yong-Hui; Huang Qiao] SW Univ Sci & Technol, Coll Sci, Mianyang 621010, Sichuan Prov, Peoples R China 通讯作者地址: Sun, HJ, SW Univ Sci & Technol, Inst Mineral Mat & Applicat, Mianyang 621010, Sichuan Prov, Peoples R China. 电子邮箱地址: sunhongjuan@swust.edu.cn 基金资助致谢: 基金资助机构 授权号 Southwest University of Science and Technology, China 10ycjj21 The project was supported by the Postgraduate Innovation Fund of Southwest University of Science and Technology, China (10ycjj21). 引用的参考文献数: 31 被引频次: 0 出版商: PEKING UNIV PRESS 出版商地址: PEKING UNIV, CHEMISTRY BUILDING, BEIJING 100871, PEOPLES R CHINA ISSN: 1000-6818 29 字符的来源出版物名称缩写: ACTA PHYS-CHIM SIN ISO 来源文献出版物名称缩写: Acta Phys.-Chim. Sin. 来源文献页码计数: 7 学科类别: Chemistry, Physical ISI 文献传递号: 730BT |
3楼2011-04-22 12:27:30
studyhae
木虫 (正式写手)
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- 专业: 河流海岸动力学与泥沙研究
【答案】应助回帖
2008297(金币+10): 2011-04-22 12:29:20
|
作者: Yang, YH (Yang Yong-Hui); Sun, HJ (Sun Hong-Juan); Peng, TJ (Peng Tong-Jiang) 标题: Synthesis and Structural Characterization of Graphene by Oxidation Reduction 来源出版物: CHINESE JOURNAL OF INORGANIC CHEMISTRY, 26 (11): 2083-2090 NOV 10 2010 语言: Chinese 文献类型: Article 作者关键词: graphene; graphite oxide; Hummers method; oxidation reduction KeyWords Plus: EXFOLIATED GRAPHITE OXIDE; AQUEOUS DISPERSIONS; CARBON; NANOPLATELETS; NANOSHEETS 摘要: The graphite oxide (GO) was prepared from purified natural flake graphite by the modified Hummers method. The colloidal form of graphene was subsequently prepared by ultrasonicating GO in the presence of hydrazine hydrate. The samples were characterized by using FTIR, Raman, Scanning Probe Microscopy (SPM) and zeta potential technique. The results suggest that the graphite is oxidized to covalent bond-type graphite intercalation compounds with various oxygen bearing functional groups (C=O, C-O, C-OH, -COOH and C-O-C). FTIR spectra show that the surface functional groups of graphite and graphene are almost the same. Graphene oxide and graphene can readily form stable aqueous colloids in water or in alkali solution with uniform sheet thickness of 1 nm. The factors affecting reduction degree and stability of graphene were discussed in reduction process, such as hydrazine hydrate dosage, reaction time and pH value in system. Reduction degree of graphene is mainly controlled by hydrazine hydrate dosage, reaction time in system while the stability is mainly affected by the pH value. 地址: [Sun Hong-Juan; Peng Tong-Jiang] SW Univ Sci & Technol, Inst Mineral Mat & Applicat, Mianyang 621010, Sichuan, Peoples R China; [Yang Yong-Hui] SW Univ Sci & Technol, Coll Sci, Mianyang 621010, Sichuan, Peoples R China 通讯作者地址: Sun, HJ, SW Univ Sci & Technol, Inst Mineral Mat & Applicat, Mianyang 621010, Sichuan, Peoples R China. 电子邮箱地址: sunhongjuan@swust.edu.cn 引用的参考文献数: 17 被引频次: 1 出版商: CHINESE CHEMICAL SOC 出版商地址: C/O DEPT INT AFFAIRS, SECRETARY OF CHEM SOC, PO BOX 2709, BEIJING 100080, PEOPLES R CHINA ISSN: 1001-4861 29 字符的来源出版物名称缩写: CHIN J INORG CHEM ISO 来源文献出版物名称缩写: Chin. J. Inorg. Chem. 来源文献页码计数: 8 学科类别: Chemistry, Inorganic & Nuclear ISI 文献传递号: 686WF |
2楼2011-04-22 12:25:53
2008297
金虫 (著名写手)
搬砖小能手
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- 性别: GG
- 专业: 岩石地球化学
4楼2011-04-22 12:30:37
2008297
金虫 (著名写手)
搬砖小能手
- 应助: 0 (幼儿园)
- 金币: 1575.6
- 散金: 65
- 红花: 2
- 沙发: 1
- 帖子: 1607
- 在线: 296.6小时
- 虫号: 668749
- 注册: 2008-12-05
- 性别: GG
- 专业: 岩石地球化学
5楼2011-04-22 12:31:52
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