掺杂对氧化钛薄膜光学性能的影响

1.西安邮电学院,西安710061;西北工业大学,西安710072

2.西北工业大学,西安710072

基金项目: 国家自然科学基金(50171053) 航空基础科学基金(96G53084)

Influences of CeO2 Doping on Optical Properties of TiO2 Film

采用电子束蒸发法制备掺杂铈的TiO2薄膜,研究掺杂铈对TiO2薄膜的折射率、透射率和禁带宽度的影响.实验发现适量掺杂CeO2会提高薄膜的折射率;并使氧化钛薄膜的禁带宽度Eg从3.27eV减小到2.51eV,从而使光本征吸收边从380nm红移到495nm,大大提高了对太阳光的利用能力.

[1]	O'REGAN B;GRATZEL M .A low-cost,high-efficiency solar cell based on dye-sensitized colloid TiO2 film[J].Nature,1991,353:737-739.
[2]	D'Orazio A.;De Sario M.;Mescia L.;Petruzzelli V.;Prudenzano F. Chiasera A.;Montagna M.;Tosello C.;Ferrari M. .Design of Er3+ doped SiO2-TiO2 planar waveguide amplifier[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2003(1/3):278-283.
[3]	Bessergenev VG.;Khmelinskii IV.;Pereira RJF.;Krisuk VV.;Turgambaeva AE.;Igumenov IK. .Preparation of TiO2 films by CVD method and its electrical, structural and optical properties[J].Vacuum: Technology Applications & Ion Physics: The International Journal & Abstracting Service for Vacuum Science & Technology,2002(3/4):275-279.
[4]	高濂;郏珊;张青红.纳米氧化钛光催化材料及应用[M].北京:化学工业出版社,2002:74.
[5]	Mardare D.;Delibas M.;Rusu GI.;Tasca M. .On the structural properties and optical transmittance of TiO2 r.f. sputtered thin films[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2000(1/4):200-206.
[6]	杨宗棉.固体导论[M].上海:上海交通大学出版社,1993:79.

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