提出了一种多元醇法敞开体系下制备具有高比表面积的非晶态纳米碳颗粒的方法.以三甘醇作为高沸点溶剂溶解溴化铵,将溶解有二茂铁的无水乙醇在200℃有氧气氛下滴入三甘醇中,利用溴化铵与二茂铁在溶剂中反应制备尺寸均匀的纳米碳颗粒.通过X射线衍射(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)和氮气吸附-脱附等温线对纳米碳颗粒的微观结构进行了表征.结果表明碳颗粒近似为等轴状,尺寸分布在30～70nm之间,是完全的非晶态结构,比表面积为578.68m2/g,孔容为0.39cm3/g.反应物在三甘醇中的均匀溶解、反应是生成尺寸均一的纳米碳颗粒的主要因素.
参考文献
| [1] | Dai Liming.Carbon nanotechnology:recent developments in chemistry,physics,materials science and device applications[M].Amsterdam:Elsevier Science,2006:1-9. |
| [2] | Zhong ZY.;Gates B.;Xia YN.;Yin YD. .Preparation of mesoscale hollow spheres of TiO2 and SnO2 by templating against crystalline arrays of polystyrene beads[J].Advanced Materials,2000(3):206-209. |
| [3] | Wu CZ;Zhu X;Ye LL;OuYang CZ;Hu SQ;Lei LY;Xie Y .Necklace-like hollow carbon nanospheres from the pentagon-including reactants: Synthesis and electrochemical properties[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2006(21):8543-8550. |
| [4] | Sandesh Y. Sawant;Rajesh S. Somani;Hari C. Bajaj .A solvothermal-reduction method for the production of horn shaped multi-wall carbon nanotubes[J].Carbon: An International Journal Sponsored by the American Carbon Society,2010(3):668-672. |
| [5] | Mi Y Z;Hu W B;Dan Y M et al.Synthesis of carbonspheres by a glucose hydrothermal method[J].Materials Letters,2008,62(8/9):1194-1196. |
| [6] | Sakaki T;Shibata M;Miki T et al.Reaction model of cellulose decomposition in near-critical water and fermentation of products[J].Bioresource Technology,1996,58(02):197-202. |
| [7] | Jiang Y.;Zhang SY.;Xu CY.;Yu WC.;Xie Y.;Qian YT.;Wu Y. .A catalytic-assembly solvothermal route to multiwall carbon nanotubes at a moderate temperature[J].Journal of the American Chemical Society,2000(49):12383-12384. |
| [8] | Guifu Zou;Debao Wang;Jun Lu .High-Yield Carbon Nanorods Obtained by a Catalytic Copyrolysis Process[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2004(17):5432-5435. |
| [9] | Jianwei Liu;Mingwang Shao;Qun Tang;Shuyuan Zhang;Yitai Qian .Synthesis of Carbon Nanotubes and Nanobelts through a Medial-Reduction Method[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2003(26):6329-6332. |
| [10] | Luo Tao;Chen Luyang;Bao Keyan et al.Solvothermal preparation of amorphous carbon nanotubes and Fe/Ccoaxial nanocables from sulfur,ferrocene,and benzene f[J].Carbon,2006,44(13):2844-2848. |
| [11] | 李启厚,毕丹丹,刘志宏,刘智勇,何峰.多元醇法制备超微粉体材料的特点及应用[J].粉末冶金材料科学与工程,2008(02):79-83. |
| [12] | Zhao Zhensheng;Wu Mingzhong;He Huahui .Preparation of high purity powders of magnetic metals by polyols reducing method[J].Journal of Magnetic Materials and Devices,1998,29(03):1-4. |
| [13] | Yujie Xiong;Yi Xie;Xiaoxu Li;Zhengquan Li .Production of novel amorphous carbon nanostructures from ferrocene in low-temperature solution[J].Carbon: An International Journal Sponsored by the American Carbon Society,2004(8/9):1447-1453. |
| [14] | Boyang Liu;Dechang Jia;Qingchang Meng .A novel method for preparation of hollow carbon spheres under a gas pressure atmosphere[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(3):668-670. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%