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Cu2ZnSnS4 solar cells with over 10% power conversion efficiency enabled by heterojunction heat treatment
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… Expand
Beyond 11% Efficient Sulfide Kesterite Cu2ZnxCd1–xSnS4 Solar Cell: Effects of Cadmium Alloying
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… Expand
Beyond 8% ultrathin kesterite Cu2ZnSnS4 solar cells by interface reaction route controlling and self-organized nanopattern at the back contact
Highly efficient, ultrathin (~400 nm) pure sulfide kesterite Cu2ZnSnS4 (CZTS) solar cells have been realized by interface reaction route controlling and self-organized nano-pattern at the back… Expand
Exploring Inorganic Binary Alkaline Halide to Passivate Defects in Low‐Temperature‐Processed Planar‐Structure Hybrid Perovskite Solar Cells
- X. Liu, Yuanfang Zhang, +11 authors X. Hao
- Materials Science
- 1 July 2018
Improvement of J(sc) in a Cu2ZnSnS4 Solar Cell by Using a Thin Carbon Intermediate Layer at the Cu2ZnSnS4/Mo Interface.
- Fangzhou Zhou, F. Zeng, +7 authors X. Hao
- Materials Science, Medicine
- ACS applied materials & interfaces
- 7 October 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… Expand
Flexible kesterite Cu2ZnSnS4 solar cells with sodium-doped molybdenum back contacts on stainless steel substrates
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… Expand
Boosting the kesterite Cu2ZnSnS4 solar cells performance by diode laser annealing
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… Expand
Large Voc improvement and 9.2% efficient pure sulfide Cu2ZnSnS4 solar cells by heterojunction interface engineering
- X. Hao, K. Sun, +4 authors M. Green
- Materials Science
- IEEE 43rd Photovoltaic Specialists Conference…
- 1 June 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… Expand
Self-assembled Nanometer-Scale ZnS Structure at the CZTS/ZnCdS Heterointerface for High-Efficiency Wide Band Gap Cu2ZnSnS4 Solar Cells
Despite remarkable progress in the performance of kesterite Cu2ZnSnS4 (CZTS)-based photovoltaic technology has been achieved, the interface recombination and associated open-circuit voltage (Voc)… Expand
Efficiency Enhancement of Kesterite Cu2ZnSnS4 Solar Cells via Solution-Processed Ultrathin Tin Oxide Intermediate Layer at Absorber/Buffer Interface
The ultrathin SnO2 intermediate layer deposited by a successive ionic layer adsorption and reaction (SILAR) method was introduced into the heterointerface between p-type Cu2ZnSnS4 (CZTS) absorber and… Expand