title: Impact of different Na-incorporating methods on Cu(In,Ga)Se2 thin film solar cells with a low-Na substrate.
authors.affiliation: School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, No 516. Jungong Road, Shanghai, 200093, China. liebe_mann@hotmail.com
authors.forename: Shenglin
authors.initials: S
authors.lastname: Ye
authors.forename: Xiaohui
authors.initials: X
authors.lastname: Tan
authors.forename: Minlin
authors.initials: M
authors.lastname: Jiang
authors.forename: Bin
authors.initials: B
authors.lastname: Fan
authors.forename: Ken
authors.initials: K
authors.lastname: Tang
authors.forename: Songlin
authors.initials: S
authors.lastname: Zhuang