Preparation of aluminumdoped zinc oxide films with low resistivity and outstanding transparency by a sol-gel method for potential applications in perovskite solar cell

被引：17
作者：
Zhao, Xingyue [1 ]
Shen, Heping [1 ]
Zhou, Chen [1 ]
Lin, Shiwei [2 ]
Li, Xin [1 ]
Zhao, Xiaochong [1 ,2 ]
Deng, Xiangyun [3 ,4 ]
Li, Jianbao [1 ,3 ]
Lin, Hong [1 ]
机构：
[1] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 10084, Peoples R China
[2] Sci & Technol Surface Phys & Chem Lab, Mianyang 621907, Peoples R China
[3] Hainan Univ, Minist Educ Adv Mat Trop Isl Resources, Key Lab, Haikou 570228, Peoples R China
[4] Tianjin Normal Univ, Coll Phys & Elect Informat, Tianjin 300387, Peoples R China
来源：
THIN SOLID FILMS | 2016年 / 605卷
基金：
中国国家自然科学基金;
关键词：
Aluminum-doped zinc oxide; Sol-gel; Electrical property; Work function; Perovskite solar cell; ORGANOMETAL HALIDE PEROVSKITES; CHEMICAL-VAPOR-DEPOSITION; ZNO THIN-FILMS; ELECTRICAL-PROPERTIES; CONDUCTING OXIDES; SPRAY-PYROLYSIS; ATMOSPHERIC-PRESSURE; OPTICAL-PROPERTIES; LAYER; AL;
D O I：
10.1016/j.tsf.2015.11.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Highly transparent and conductive aluminum doped zinc oxide (AZO) films were prepared by sol-gel method on the glass substrates. The effects of doping concentration, annealing temperature and facing direction during annealing on the structural, electrical and optical properties of AZO films were studied by performing a series of characterizations including X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, UV-vis spectrophotometry, four-point probe method and Hall effect measurement system. The results showed that the AZO films were wurtzite crystallized with c-axis preferred orientation. A minimum resistivity of 1.8 x 10(-3) Omega cm and a transmittance above 90% were obtained for the film doped with 1.5 at.% aluminum, annealed at 510 degrees C and faced-down in the oven, which was among the best performance of the currently reported works based on sol-gel process. Moreover, energy level analysis revealed that the AZO film has a work function of 4.3 eV, exhibiting great potential in perovskite solar cell applications. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：208 / 214
页数：7
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