采用对环境友好的绿色合成方法,在碱性条件下,利用氧化还原体系把高价硒还原成灰黑色的三方相硒.以蔗糖、葡聚糖为软模板和形态导向剂,制备出了尺寸均匀、形态不同的硒纳米线.并用XRD、SEM等分析手段对产物的形貌和结构进行了表征,并对它们的成线机理做了相应的分析和解释.结果表明,两种不同的糖对硒纳米线生长的影响不同,在蔗糖条件下生成的硒纳米线尺寸较小,直径在80～300nm,长度在大约6μm左右.而在葡聚糖条件下生成的纳米线直径在500nm以上,长度达到0.5cm.它们生成的硒纳米线均为三方相结构,并且结晶性能良好,其生长方向沿着三方向硒的[001]方向生长.
参考文献
| [1] | Xia Y;Yang P;Sun Y .[J].Advanced Materials,2003,15:353-358. |
| [2] | Soumitra Kar;Bhola Nath Pal;Subhadra Chaudhuri;Dipankar Chakravorty .One-Dimensional ZnO Nanostructure Arrays:Synthesis and Characterization[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(10):4605-4611. |
| [3] | Zhang X;Goux W J;Manohar S K .[J].American Chemical Society,2004,126(14):4502-4503. |
| [4] | Zhang H;Yang D R;ji Y J et al.[J].Journal of Physical Chemistry B,2004,108:1179-1183. |
| [5] | Chung Sw;Yu J Y;Heath J R .[J].Applied Physics Letters,2000,76:2068-2072. |
| [6] | Huang M H;Choudrey A;Yang P D .[J].Chemical Communications,2000,12:1063-1069. |
| [7] | Gates B;Mayers B;Cattle B et al.[J].Advanced Functional Materials,2002,12:219-226. |
| [8] | Ibragimov NI.;Agaev VG.;Abutalibova ZM. .Electrophotographic layers of trigonal Se in the binder obtained by reduction of SeO2 by hydrazine[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2000(2):125-126. |
| [9] | 张洪顺,王纪孝.硒纳米线的制备[J].化学工业与工程,2007(02):117-120. |
| [10] | Ding Y.;Li Q.;Jia YB.;Chen L.;Xing JY.;Qian YT. .Growth of single crystal selenium with different morphologies via a solvothermal method[J].Journal of Crystal Growth,2002(4):489-497. |
| [11] | Chen Y et al.[J].Materials Letters,2004,58:2761-2763. |
| [12] | Zhang H et al.[J].Materials Letters,2009,63:1-4. |
| [13] | Zhang S Y et al.[J].Electrochimica Acta,2005,50:4365-4370. |
| [14] | Abdelouas A;Gong W L;Lutze W .[J].Chemistry of Materials,2000,12:1510-1512. |
| [15] | Zhang X et al.[J].Solid State Sciences,2003,3:525-527. |
| [16] | Chen MH;Gao L .Selenium nanotube synthesized via a facile template-free hydrothermal method[J].Chemical Physics Letters,2006(1-3):132-136. |
| [17] | Li Q;Vivian;Yam W W .[J].Chemical Communications,2006,23:1006-1008. |
| [18] | Lu J;Xie Y;Xu F et al.[J].Materials Chemistry,2002,12:2755-2761. |
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%