采用二步阳极氧化法制备了多孔阳极氧化铝(PAA)薄膜,借助于扫描电子显微镜(SEM)分析了多孔阳极氧化铝薄膜的微观形貌,发现在其表面孔径为70～90 nm的六边形孔洞分布均匀,且垂直于表面平行生长.依据PAA反射光谱的实验数据,利用Kramers-Kronig关系计算出PAA薄膜的复折射率、复介电常数以及光学能隙等光学常数.通过分析吸收系数与入射光子能量之间的关系,表明PAA具有直接带隙(能隙约为3.4eV)半导体的光学性质.
参考文献
| [1] | Shi G.;Cai WL.;Zhang LD.;Mo CM. .Photoluminescence of ZnO nanoparticles in alumina membrane with ordered pore arrays[J].Solid State Communications,2000(5):253-256. |
| [2] | Chiena C L;Sun L .[J].Journal of Magnetism and Magnetic Materials,2002,249:146. |
| [3] | Patermarakis G;Nicolopoulos N .[J].Journal of Catalysis,1999,187:311. |
| [4] | Li J;Papadopoulos C;Xu J M et al.[J].Applied Physics Letters,1999,75:367. |
| [5] | Lu B.;Laughlin DE.;Lambeth DN.;Bharathulwar S. .Time and orientation dependence of ordering in anodized aluminum for self-organized magnetic arrays[J].Journal of Applied Physics,2000(9 Pt.2):4721-4723. |
| [6] | Yuan ZH.;Liu L.;Fan SS.;Huang H. .Controlled growth of carbon nanotubes in diameter and shape using template-synthesis method[J].Chemical Physics Letters,2001(1/2):39-43. |
| [7] | Xu D S;Xu Y J;Chen D P et al.[J].Chemical Physics Letters,2000,325:340. |
| [8] | Sauer G;Brehm G;Schneider S et al.[J].Journal of Applied Physics,2002,91:3243. |
| [9] | Masuda H.;Nishio K.;Yasui K. .Fabrication of ordered arrays of multiple nanodots using anodic porous alumina as an evaporation mask[J].Advanced Materials,2000(14):1031-1033. |
| [10] | Barik S.;Srivastava AK.;Misra P.;Nandedkar RV.;Kukreja LM. .Alumina capped ZnO quantum dots multilayer grown by pulsed laser deposition[J].Solid State Communications,2003(6):463-467. |
| [11] | Li AP.;Birner A.;Nielsch K.;Gosele U.;Muller F. .Hexagonal pore arrays with a 50-420 nm interpore distance formed by self-organization in anodic alumina[J].Journal of Applied Physics,1998(11):6023-6026. |
| [12] | Chik H;Liang J;Cloutier S G et al.[J].Applied Physics Letters,2004,84:3376. |
| [13] | 王成伟,王建,李燕,刘维民,徐洮,孙小伟,力虎林.多孔阳极氧化铝薄膜光学常数的确定[J].物理学报,2005(01):439-444. |
| [14] | Du Y;Cai W L;Mo C M et al.[J].Applied Physics Letters,1999,74:2951. |
| [15] | Masucda H;Fukuda K .[J].Science,1995,268:1466. |
| [16] | Stern F.[M].北京:中国学术出版社,1963:15. |
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