报导了一种简单而有效的制备非晶ZnO纳米粉末的方法,即固态低温热解法.并用透射电镜、选区电子衍射、X射线衍射、X射线光电子能谱对所制得的粉末进行了表征.结果表明在160℃下灼烧乙酸锌和碳酸氢钠所得到的ZnO粉末是非晶态.PL谱表明非晶ZnO纳米粉末同样具有较强的紫外发射,其峰值波长为380nm,我们认为这是由于量子尺寸效应造成的.
参考文献
| [1] | Bagnall DM;Chen YF;Zhu Z;Yao T;Koyama S;Shen MY;Goto T .Optically pumped lasing of ZnO at room temperature[J].Applied physics letters,1997(17):2230-2232. |
| [2] | Service R F .Will UV Lasers Beat the Blues[J].Science,1997,276:895. |
| [3] | Hanto H;Minami T;Takata S 等.Magnetoconcentration Effect at Auger Recombination of Current Carries[J].Physica Status Solidi A,1981,65:131. |
| [4] | Triboulet R.;Barbe M.;Lemasson P.;Mora-Sero I.;Munoz V.;N'tep JM. .Some fundamentals of the vapor and solution growth of ZnSe and ZnO[J].Journal of Crystal Growth,1999(Pt.2):968-974. |
| [5] | Aronovish J;Ortiz A;Bube R H .Optical and Electrical Properties of Films Prepared by Spray Pyrolysis for Solar Cell Application[J].Journal of Vacuum Science and Technology,1979,16:994. |
| [6] | Vispute RD.;Choopun S.;Sharma RP.;Venkatesan T.;He M. Tang X.;Halpern JB.;Spencer MG.;Li YX.;Salamanca-Riba LG.;Iliadis AA. Jones KA.;Talyansky V. .Heteroepitaxy of ZnO on GaN and its implications for fabrication of hybrid optoelectronic devices[J].Applied physics letters,1998(3):348-350. |
| [7] | BethkeS;Pan H;Wesseis B W et al.Luminescence of Heteroepitaxial Zinc Oxide[J].Applied Physics Letters,1988,52:138. |
| [8] | Bagnall DM.;Shen MY.;Zhu Z.;Goto T.;Yao T.;Chen YF. .Room temperature excitonic stimulated emission from zinc oxide epilayers grown by plasma-assisted MBE[J].Journal of Crystal Growth,1998(0):605-609. |
| [9] | 张海明,王之健,张力功,元金山,阎圣刚.玻璃微孔内ZnO的制备及表征[J].人工晶体学报,2002(01):31-33. |
| [10] | van Dijken A.;Meijerink A.;Makkinje J. .The influence of particle size on the luminescence quantum efficiency of nanocrystalline ZnO particles[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2001(4):323-328. |
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%