[1] Shang J, Xie S D, Liu J G. Progress in SnO2/TiO2composite semiconductor nanofilm ［J］. Prog. Chem.(化学进展), 2005, 17(6):1012-1023 (in Chinese).

[2] Cai Z Q. Low-temperature Preparation and Properties of TiO2/SnO2 Composite Sols and Composite Films ［D］. Hangzhou: Zhejiang University, 2007 (in Chinese).

[3] Cai Z Q, Shen Q H, Gao J W, et al. Studies of the photocatalytic activity of the TiO2/SnO2 composite films ［J］. J. Ceram.(陶瓷学报), 2006, 27(3):281-282 (in Chinese).

[4] Xu Q C, Diana V W, Rose A. et al. Superhydrophilicity-assisted preparation of transparent and visible light activated N-dopedtitania film ［J］. Nanoscale, 2010, 2:1122-1127.

[5] Li J C, Wang B F, Shan L T, et al. Growth and characterization of sol-gel CuO-doped SnO2 films ［J］. Chin. J. Vaccum. Sci. Technol.(真空科学与技术学报), 2012, 32(3):225-227 (in Chinese).

[6] Trapalis C, Kozhukharov V, Samuneva B, et al. Sol-gel processing of titanium-containing thin coatings ［J］. J. Mater. Sci.,1993, 28(5):1276-1282.

[7] Kristopher P, Robert G P, Ivan P P, et al. Titania and silver-titania composite films on glass—Potent antimicrobial coatings. ［J］. J. Mater. Chem., 2007, 17(1):95-104.

[8] Andrew M, Nicholas E, George H, et al. Preparation and characterisation of novel thick sol-gel titania film photocatalysts ［J］. Photochem. Photobiol. Sci., 2003, 2:591-596.

[9] Tai W P, Inoue K, Oha J H. Ruthenium dye-sensitized SnO2/TiO2 coupled solar cells ［J］. Sol. Energy Mater. Sol. Cells, 2002, 71(4):553- 557.

[10] Duan J Y, Li F Q, Wang J. Preparation of sol by sol-gel method ［J］. J. Hebei Univ. Eng.(河北工程大学学报), 2011, 28(1):57-58 (in Chinese).

[11] Kozhukharov V, Trapalis C, Samuneva B. Sol-gel processing of titanium-coatings part Ⅲ. Properties ［J］. Mater. Sci., 1993, 28:1283-1289.

[12] Feng J Y, Zhou Y Y, Deng J Q. Study on gas-sensing optical properties of SnO2∶Ti thin film prepared by sol-gel method ［J］. Transduc. Microsyst. Technol.(传感器与微系统), 2012, 31(2):84-86 (in Chinese).

[13] Wang X H, Gu H. EDS quantitive analysis of niobates in TEM via self-correction method ［J］. J. Chin. Electron. Microsc. Soc.(电子显微学报), 2009, 28(4):318-324 (in Chinese).

[14] Khan S U M, Al-Shahry M, Lngler W B, et al. Efficient photochemical water spliting by a chemically modified n-TiO2 ［J］. Science, 2002, 297:2243-2245.

[15] Shang J, Xie S D, Liu J G. Progress in SnO2/TiO2 composite semiconductor nanofilm ［J］. Prog. Chem.(化学进展), 2005, 17(6):1012-1018 (in Chinese).

[16] Kawahara T, Konishi Y, Tada H, et al. A patterned TiO2(anatase)/TiO2(rutile) bilayer-type photocatalyst: Effect of the anatase/rutile junction on the photocatalytic activity ［J］. Angew. Chem. Int. Ed., 2002, 41:2811-2813.

[17] Xia H L, Zhuang H S, Zhang T, et al. Photocatalytic degradation of acid blue 62 over CuO-SnO2 nano-compositephotocatalyst under simulated sunlight.［J］. J. Environ. Sci., 2007, 19:1141-1145.