以1 mmol CuCl2为铜源和1mmol Na2CO3为辅助盐,利用简单的水热法在240℃和48h下合成了八角微米结构CuO.水热法合成试样的物相、形貌和光吸收特性分别被X射线衍射(XRD)、热场发射扫描电子显微镜(SEM)和紫外可见分光光度计(UV-VIS)表征.研究结果表明:水热法所合成试样的物相均为CuO.随着反应温度的增加和反应时间的延长,它们都有利于合成八角微米结构的CuO.并且此八角微米结构的CuO具有良好的光吸收能力.最后,对水热法合成八角微米结构CuO的机理进行了讨论.
参考文献
| [1] | Wu DX;Zhang QM;Tao M .LSDA+U study of cupric oxide: Electronic structure and native point defects[J].Physical review, B. Condensed matter and materials physics,2006(23):5206-1-5206-6-0. |
| [2] | Hiroshi Yamada;Xu-Guang Zheng;Yuji Soejima;Masaru Kawaminami .Lattice distortion and magnetolattice coupling in CuO[J].Physical Review.B.Condensed Matter,2004(10):104104.1-104104.7. |
| [3] | X. G. Zheng;Y. Kodama;Kazuya Saito;E. Tanaka;Y. Tomokiyo;H. Yamada;C. N. Xu .Fast suppression of antiferromagnetism in Cu_(1-x)Li_xO[J].Physical Review.B.Condensed Matter,2004(9):094510.1-094510.5. |
| [4] | Field emission from various CuO nanostructures[J].Applied Physics Letters,2003(16):3383-3385. |
| [5] | Anandan S;Wen XG;Yang SH .Room temperature growth of CuO nanorod arrays on copper and their application as a cathode in dye-sensitized solar cells[J].Materials Chemistry and Physics,2005(1):35-40. |
| [6] | Simona Bennici;Antonella Gervasini .Catalytic activity of dispersed CuO phases towards nitrogen oxides (N_2O,NO,and NO_2)[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2006(3/4):336-344. |
| [7] | 肖廷,陈鼎,叶插柳.超声波固液反应球磨法制备纳米氧化铜粉末[J].人工晶体学报,2010(03):633-637. |
| [8] | 鞠剑峰,施新宇,吴东辉.乙醇/水混合溶剂热法制备不同形貌的CuO晶体[J].人工晶体学报,2010(03):776-779. |
| [9] | Zhang YG;Wang ST;Li XB;Chen LY;Qian YT;Zhang ZD .CuO shuttle-like nanocrystals synthesized by oriented attachment[J].Journal of Crystal Growth,2006(1):196-201. |
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%