From kesterite to stannite photovoltaics: Stability and band gaps of the Cu2(Zn,Fe)SnS4 alloy | Zendy

Taizo Shibuya | Zendy; Yosuke Goto | Zendy; Yoichi Kamihara | Zendy; Masanori Matoba | Zendy; Kenji Yasuoka | Zendy; Lee A. Burton | Zendy; Aron Walsh | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

From kesterite to stannite photovoltaics: Stability and band gaps of the Cu2(Zn,Fe)SnS4 alloy

Author(s) -

Taizo Shibuya,

Yosuke Goto,

Yoichi Kamihara,

Masanori Matoba,

Kenji Yasuoka,

Lee A. Burton,

Aron Walsh

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4862030

Subject(s) - kesterite , czts , band gap , materials science , semiconductor , alloy , condensed matter physics , metallurgy , optoelectronics , physics

Kesterite semiconductors, particularly Cu 2ZnSnS4 (CZTS), have attracted attention for thin-film solar cells. We investigate the incorporation of Fe into CZTS to form the Cu 2(Zn,Fe)SnS4 solid-solution for tuning the lattice spacing and band gap. First-principles calculations confirm a phase transition from kesterite (Zn-rich) to stannite (Fe-rich) at Fe/Zn ∼ 0.4∼ 0.4 . The exothermic enthalpy of mixing is consistent with the high solubility of Fe in the lattice. There is a linear band-gap bowing for each phase, which results in a blue-shift of photo-absorption for Fe-rich alloys due to the confinement of the conduction states. We propose compositions optimal for Si tandem cells

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research