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- Chang Yan, Kaiwen Sun, +9 authors Xiaojing Hao
- 2017
Kesterite Cu2ZnSnS4 (CZTS) thin-film solar cells have drawn worldwide attention because of outstanding performance and earth-abundant constituents. However, problems such as coexistence of complex… (More)
- Xu Hong Liu, Yuanfang Zhang, +11 authors Xiaojing Hao
- 2018
- Chang Yan, Jialiang Huang, +15 authors Xiaojing Hao
- 2018
Sulfide kesterite Cu2ZnSnS4 provides an attractive low-cost, environmentally benign and stable photovoltaic material, yet the record power conversion efficiency for such solar cells has been stagnant… (More)
- Jialiang Huang, Chang Yan, +6 authors Xiaojing Hao
- 2018
Abstract In this work, a novel diode laser annealing was performed as a post-sulfurization heat treatment on pure-sulfide Cu 2 ZnSnS 4 thin film solar cells fabricated by sputtering deposition. The… (More)
- Xiaojing Hao, Kaiwen Sun, +4 authors Martin A Green
- IEEE 43rd Photovoltaic Specialists Conference…
- 2016
Voltage deficit is the major challenge that pure sulfide kesterite devices have to face to further improve the efficiency. Different from selenide kesterite, pure sulfide kesterite Cu2ZnSnS4 has been… (More)
- Fangzhou Zhou, Fangqin Zeng, +7 authors Xiaojing Hao
- ACS applied materials & interfaces
- 2015
Back contact modification plays an important role in improving energy conversion efficiency of Cu2ZnSnS4 (CZTS) thin film solar cells. In this paper, an ultrathin carbon layer is introduced on… (More)
- Fangyang Liu, Jialiang Huang, +9 authors Xiaojing Hao
- 2017
Over 8% efficient ultrathin kesterite Cu2ZnSnS4 (CZTS) solar cells have been developed by interface reaction route controlling and self-organized nanopattern at the back contact. An ultrathin… (More)
- Kaiwen Sun, Fangyang Liu, +10 authors Xiaojing Hao
- 2018
Abstract In this work we report the Na incorporation from Na-doped Mo (Mo-Na) back contact for kesterite Cu2ZnSnS4 solar cells on flexible stainless steel substrates. It is demonstrated that Na can… (More)
- Aobo Pu, Fa-Jun Ma, +4 authors Xiaojing Hao
- 2017
Abstract In this work we perform comprehensive characterization on a 6.9% pure sulphide Cu 2 ZnSnS 4 (CZTS) device and construct a 2D device model in Sentaurus TCAD to identify possible roots of… (More)
- Kaiwen Sun, Chang Yan, +5 authors Xiaojing Hao
- IEEE 7th World Conference on Photovoltaic Energy…
- 2018
Heterojunction interface of the Cu$_{\mathbf {2}}$ZnSnS$_{\mathbf {4}}$ (CZTS) solar cells is one the critical factors for performance loss, especially when applying Zn-based alternative buffer… (More)