LIAO Rong, LIU Huijun, KE Jiacong, et al. Preparation and characteristic analysis of photosensitive sensing element with SrNbxTi1-xO3 film[J]. 2019, (8): 15-17+24.
LIAO Rong, LIU Huijun, KE Jiacong, et al. Preparation and characteristic analysis of photosensitive sensing element with SrNbxTi1-xO3 film[J]. 2019, (8): 15-17+24. DOI: 10.13873/J.1000-9787(2019)08-0015-03.
钛铌酸锶膜光敏传感元件的制备与特性分析
摘要
利用镀膜技术和硅平面工艺在经过干氧氧化的硅衬底上制备一层钛铌酸锶(Sr NbxTi1-xO3)薄膜
然后制备成平面型薄膜光敏传感器。对钛铌酸锶薄膜的吸收光谱进行测定
得到其禁带宽度为2. 70 e V
对可见光有良好的敏感性。样品在稳定光照下
光电流随照度的增大而增大;温度对光敏特性影响很大
本传感器适用于稳定光照和室温下使用。
Abstract
A layer of SrNb
x
Ti
1-x
O
3
thin film is prepared on the silicon-based passing dry-oxygen oxidation by using coating technology and silicon planar process
and photosensitive sensor with planar thin film is prepared.Absorption spectrum of SrNb
x
Ti
1-x
O
3
thin film is determinated
the obtained forbidden bandwidth is 2. 70 e V and it has good sensibility to visible light. When placing the sample in stable illumination
light current enlarges along with enlargement of illumination; temperature has great influence on photosensitive characteristic
so this sensor is appropriate to use in stable illumination at room temperature.