By Dr Kaiwen Sun

Journal articles

Zhou S; Sun K; Huang J; Lu X; Xie B; Zhang D; Hart JN; Toe CY; Hao X; Amal R, 2021, 'Accelerating Electron-Transfer and Tuning Product Selectivity Through Surficial Vacancy Engineering on CZTS/CdS for Photoelectrochemical CO2 Reduction', Small, 17, http://dx.doi.org/10.1002/smll.202100496

Sun K; Wang A; Su Z; Liu F; Hao X, 2021, 'Enhancing the performance of Cu2ZnSnS4 solar cell fabricated via successive ionic layer adsorption and reaction method by optimizing the annealing process', Solar Energy, 220, pp. 204 - 210, http://dx.doi.org/10.1016/j.solener.2021.03.033

Li J; Huang J; Li K; Zeng Y; Zhang Y; Sun K; Yan C; Xue C; Chen C; Chen T; Green MA; Tang J; Hao X, 2021, 'Defect-Resolved Effective Majority Carrier Mobility in Highly Anisotropic Antimony Chalcogenide Thin-Film Solar Cells', Solar RRL, 5, http://dx.doi.org/10.1002/solr.202000693

Wang A; Chang NL; Sun K; Xue C; Egan RJ; Li J; Yan C; Huang J; Rong H; Ramsden C; Hao X, 2021, 'Analysis of manufacturing cost and market niches for Cu2ZnSnS4(CZTS) solar cells', Sustainable Energy and Fuels, 5, pp. 1044 - 1058, http://dx.doi.org/10.1039/d0se01734e

He G; Yan C; Li J; Yuan X; Sun K; Huang J; Sun H; He M; Zhang Y; Stride JA; Green MA; Hao X, 2020, '11.6% Efficient Pure Sulfide Cu(In,Ga)S2 Solar Cell through a Cu-Deficient and KCN-Free Process', ACS Applied Energy Materials, 3, pp. 11974 - 11980, http://dx.doi.org/10.1021/acsaem.0c02158

Zhou Z; Sun K; Jiang L; Jia M; Liu F, 2020, 'Research progress on recycling technology of end-of-life silicon photovoltaic modules', Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology), 51, pp. 3279 - 3288, http://dx.doi.org/10.11817/j.issn.1672-7207.2020.12.002

Li J; Huang Y; Huang J; Liang G; Zhang Y; Rey G; Guo F; Su Z; Zhu H; Cai L; Sun K; Sun Y; Liu F; Chen S; Hao X; Mai Y; Green MA, 2020, 'Defect Control for 12.5% Efficiency Cu2ZnSnSe4 Kesterite Thin-Film Solar Cells by Engineering of Local Chemical Environment', Advanced Materials, 32, pp. e2005268, http://dx.doi.org/10.1002/adma.202005268

Xue C; Huang J; Sun K; Yan C; Kampwerth H; Hao X, 2020, 'Revealing Nanoscale Domains in Cu2ZnSnS4 Thin Films by Catalyzed Chemical Etching', Physica Status Solidi - Rapid Research Letters, 14, http://dx.doi.org/10.1002/pssr.202000283

Zeng Y; Sun K; Huang J; Nielsen MP; Ji F; Sha C; Yuan S; Zhang X; Yan C; Liu X; Deng H; Lai Y; Seidel J; Ekins-Daukes N; Liu F; Song H; Green M; Hao X, 2020, 'Quasi-Vertically-Orientated Antimony Sulfide Inorganic Thin-Film Solar Cells Achieved by Vapor Transport Deposition', ACS Applied Materials and Interfaces, 12, pp. 22825 - 22834, http://dx.doi.org/10.1021/acsami.0c02697

Song N; Green MA; Sun K; Hu Y; Yan C; Hao X, 2020, 'Epitaxial growth of Cu2ZnSnS4 thin film on Si by radio frequency magnetron sputtering', Applied Physics Letters, 116, http://dx.doi.org/10.1063/1.5136289

Jiang J; Giridharagopal R; Jedlicka E; Sun K; Yu S; Wu S; Gong Y; Yan W; Ginger DS; Green MA; Hao X; Huang W; Xin H, 2020, 'Highly efficient copper-rich chalcopyrite solar cells from DMF molecular solution', Nano Energy, 69, http://dx.doi.org/10.1016/j.nanoen.2019.104438

Xiao H; Chen Z; Sun K; Yan C; Xiao J; Jiang L; Hao X; Lai Y; Liu F, 2020, 'Sol-gel solution-processed Cu2SrSnS4 thin films for solar energy harvesting', Thin Solid Films, 697, http://dx.doi.org/10.1016/j.tsf.2020.137828

Rey G; Trupke T; Paduthol A; Sun K; Nagle T; Poplavskyy D; Escalant VS; Melchiorre M; Siebentritt S; Abbott M, 2020, 'Photoluminescence-Based Method for Imaging Buffer Layer Thickness in CIGS Solar Cells', IEEE Journal of Photovoltaics, 10, pp. 181 - 187, http://dx.doi.org/10.1109/JPHOTOV.2019.2950630

Cui X; Sun K; Huang J; Yun JS; Lee CY; Yan C; Sun H; Zhang Y; Xue C; Eder K; Yang L; Cairney JM; Seidel J; Ekins-Daukes NJ; Green M; Hoex B; Hao X, 2019, 'Cd-Free Cu2ZnSnS4 solar cell with an efficiency greater than 10% enabled by Al2O3 passivation layers', Energy and Environmental Science, 12, pp. 2751 - 2764, http://dx.doi.org/10.1039/c9ee01726g

Deng H; Zeng Y; Ishaq M; Yuan S; Zhang H; Yang X; Hou M; Farooq U; Huang J; Sun K; Webster R; Wu H; Chen Z; Yi F; Song H; Hao X; Tang J, 2019, 'Quasiepitaxy Strategy for Efficient Full-Inorganic Sb2S3 Solar Cells', Advanced Functional Materials, 29, http://dx.doi.org/10.1002/adfm.201901720

Gao C; Huang J; Li H; Sun K; Lai Y; Jia M; Jiang L; Liu F, 2019, 'Fabrication of Sb2S3 thin films by sputtering and post-annealing for solar cells', Ceramics International, 45, pp. 3044 - 3051, http://dx.doi.org/10.1016/j.ceramint.2018.10.155

Liu X; Shi L; Huang J; Liu Z; Zhang P; Yun JS; Soufiani AM; Seidel J; Sun K; Hameiri Z; Stride JA; Zhang Y; Green MA; Lin H; Hao X, 2019, 'Improvement of Cs-(FAPbI3)0.85(MAPbBr3)0.15 quality via DMSO-molecule-control to increase the efficiency and boost the long-term stability of 1 cm2 sized planar perovskite solar cells', Solar RRL, pp. 1800338 - 1800338, http://dx.doi.org/10.1002/solr.201800338

Sun K; Yan C; Huang J; Liu F; Li J; Sun H; Zhang Y; Cui X; Wang A; Fang Z; Cong J; Lai Y; Green MA; Hao X, 2019, 'Beyond 10% efficiency Cu2ZnSnS4 solar cells enabled by modifying the heterojunction interface chemistry', Journal of Materials Chemistry A, 7, pp. 27289 - 27296, http://dx.doi.org/10.1039/c9ta09576d

Huang C; Lin P; Fu N; Liu C; Xu B; Sun K; Wang D; Zeng X; Ke S, 2019, 'Facile fabrication of highly efficient ETL-free perovskite solar cells with 20% efficiency by defect passivation and interface engineering', Chemical Communications, 55, pp. 2777 - 2780, http://dx.doi.org/10.1039/c9cc00312f

Zhang Y; Huang J; Yan C; Sun K; Cui X; Liu F; Liu Z; Zhang X; Liu X; Stride JA; Green MA; Hao X, 2019, 'High open-circuit voltage CuSbS2 solar cells achieved through the formation of epitaxial growth of CdS/CuSbS2 hetero-interface by post-annealing treatment', Progress in Photovoltaics: Research and Applications, 27, pp. 37 - 43, http://dx.doi.org/10.1002/pip.3061

Cui X; Sun K; Huang J; Lee CY; Yan C; Sun H; Zhang Y; Liu F; Hossain MA; Zakaria Y; Wong LH; Green M; Hoex B; Hao X, 2018, 'Enhanced Heterojunction Interface Quality to Achieve 9.3% Efficient Cd-Free Cu2ZnSnS4 Solar Cells Using Atomic Layer Deposition ZnSnO Buffer Layer', Chemistry of Materials, 30, pp. 7860 - 7871, http://dx.doi.org/10.1021/acs.chemmater.8b03398

Xu C; Wright M; Ping D; Yi H; Zhang X; Mahmud MDA; Sun K; Upama MB; Haque F; Uddin A, 2018, 'Ternary blend organic solar cells with a non-fullerene acceptor as a third component to synergistically improve the efficiency', Organic Electronics, 62, pp. 261 - 268, http://dx.doi.org/10.1016/j.orgel.2018.08.029

Di Y; Zeng Q; Huang C; Tang D; Sun K; Yan C; Wang Y; Ke S; Jiang L; Hao X; Lai Y; Liu F, 2018, 'Thermal-evaporated selenium as a hole-transporting material for planar perovskite solar cells', Solar Energy Materials and Solar Cells, 185, pp. 130 - 135, http://dx.doi.org/10.1016/j.solmat.2018.05.022

Kang L; Zhao L; Jiang L; Yan C; Sun K; Ng BK; Gao C; Liu F, 2018, 'In situ growth of CuSbS2 thin films by reactive co-sputtering for solar cells', Materials Science in Semiconductor Processing, 84, pp. 101 - 106, http://dx.doi.org/10.1016/j.mssp.2018.05.004

Kang L; Zhao L; Jiang L; Yan C; Sun K; Ng BK; Gao C; Liu F, 2018, 'In situ growth of CuSbS2 thin films by reactive co-sputtering for solar cells', MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 84, pp. 101 - 106, http://dx.doi.org/10.1016/j.mssp.2018.05.004

Park J; Huang J; Yun J; Liu F; Ouyang Z; Sun H; Yan C; Sun K; Kim K; Seidel J; Chen S; Green MA; Hao X, 2018, 'The Role of Hydrogen from ALD-Al2O3 in Kesterite Cu2ZnSnS4 Solar Cells: Grain Surface Passivation', Advanced Energy Materials, 8, http://dx.doi.org/10.1002/aenm.201701940

Sun K; Liu F; Huang J; Yan C; Song N; Sun H; Xue C; Zhang Y; Pu A; Shen Y; Stride JA; Green M; Hao X, 2018, 'Flexible kesterite Cu2ZnSnS4 solar cells with sodium-doped molybdenum back contacts on stainless steel substrates', Solar Energy Materials and Solar Cells, 182, pp. 14 - 20, http://dx.doi.org/10.1016/j.solmat.2018.02.036

Chen Z; Sun K; Su Z; Liu F; Tang D; Xiao H; Shi L; Jiang L; Hao X; Lai Y, 2018, 'Solution-Processed Trigonal Cu2BaSnS4 Thin-Film Solar Cells', ACS Applied Energy Materials, 1, pp. 3420 - 3427, http://dx.doi.org/10.1021/acsaem.8b00514

Sun K; Yan C; Huang J; Sun K; Sun H; Jiang L; Deng X; Stride J; Hao X; Liu F, 2018, 'Minority lifetime and efficiency improvement for CZTS solar cells via Cd ion soaking and post treatment', Journal of Alloys and Compounds, 750, pp. 328 - 332, http://dx.doi.org/10.1016/j.jallcom.2018.03.401

Park J; Huang J; Sun K; Ouyang Z; Liu F; Yan C; Sun H; Pu A; Green M; Hao X, 2018, 'The effect of thermal evaporated MoO3 intermediate layer as primary back contact for kesterite Cu2ZnSnS4 solar cells', Thin Solid Films, 648, pp. 39 - 45, http://dx.doi.org/10.1016/j.tsf.2018.01.012

Huang J; Yan C; Sun K; Liu F; Sun H; Pu A; Liu X; Green M; Hao X, 2018, 'Boosting the kesterite Cu2ZnSnS4 solar cells performance by diode laser annealing', Solar Energy Materials and Solar Cells, 175, pp. 71 - 76, http://dx.doi.org/10.1016/j.solmat.2017.10.009

Yan C; Huang J; Sun K; Johnston S; Zhang Y; Sun H; Pu A; He M; Liu F; Eder K; Yang L; Cairney JM; Ekins-Daukes NJ; Hameiri Z; Stride JA; Chen S; Green MA; Hao X, 2018, 'Cu2ZnSnS4 solar cells with over 10% power conversion efficiency enabled by heterojunction heat treatment', Nature Energy, 3, pp. 764 - 764, http://dx.doi.org/10.1038/s41560-018-0206-0

Liu X; Zhang Y; Shi L; Liu Z; Huang J; Yun JS; Zeng Y; Pu A; Sun K; Hameiri Z; Stride JA; Seidel J; Green MA; Hao X, 2018, 'Exploring inorganic binary alkaline halide to passivate defects in low-temperature-processed planar-structure hybrid perovskite solar cells', Advanced Energy Materials, 8, pp. 1800138 - 1800138, http://dx.doi.org/10.1002/aenm.201800138

Zeng Q; Di Y; Huang C; Sun K; Zhao Y; Xie H; Niu D; Jiang L; Hao X; Lai Y; Liu F, 2018, 'Famatinite Cu3SbS4 nanocrystals as hole transporting material for efficient perovskite solar cells', Journal of Materials Chemistry C, 6, pp. 7989 - 7993, http://dx.doi.org/10.1039/c8tc02133c

Huang C; Lin P; Fu N; Sun K; Ye M; Liu C; Zhou X; Shu L; Hao X; Xu B; Zeng X; Wang Y; Ke S, 2018, 'Ionic liquid modified SnO2 nanocrystals as a robust electron transporting layer for efficient planar perovskite solar cells', Journal of Materials Chemistry A, 6, pp. 22086 - 22095, http://dx.doi.org/10.1039/c8ta04131h

Sun K; Huang J; Yan C; Pu A; Liu F; Sun H; Liu X; Fang Z; Stride JA; Green M; Hao X, 2018, 'Self-assembled nanometer-scale ZnS structure at the CZTS/ZnCdS heterointerface for high-efficiency wide band gap Cu 2 ZnSnS 4 solar cells', Chemistry of Materials, 30, pp. 4008 - 4016, http://dx.doi.org/10.1021/acs.chemmater.8b00009

Sun H; Sun KW; Huang JL; Yan C; Liu FY; Park JS; Pu A; Stride J; Green M; Hao XJ, 2017, 'Efficiency Enhancement of Kesterite Cu2ZnSnS4 Solar Cells via Solution-Processed Ultrathin Tin Oxide Intermediate Layer at Absorber/Buffer Interface', ACS Applied Energy Materials, 1, pp. 154 - 160, http://dx.doi.org/10.1021/acsaem.7b00044

Park J; Ouyang Z; Yan C; Sun K; Sun H; Liu F; Green M; Hao X, 2017, 'Hybrid Ag Nanowire-ITO as Transparent Conductive Electrode for Pure Sulfide Kesterite Cu2ZnSnS4 Solar Cells', Journal of Physical Chemistry C, 121, pp. 20597 - 20604, http://dx.doi.org/10.1021/acs.jpcc.7b05776

Liu F; Yan C; Sun K; Zhou F; Hao X; Green MA, 2017, 'Light-Bias-Dependent External Quantum Efficiency of Kesterite Cu2ZnSnS4 Solar Cells', ACS Photonics, 4, pp. 1684 - 1690, http://dx.doi.org/10.1021/acsphotonics.7b00151

Liu F; Huang J; Sun K; Yan C; Shen Y; Park J; Pu A; Zhou F; Liu X; Stride JA; Green MA; Hao X, 2017, 'Beyond 8% ultrathin kesterite Cu2ZnSnS4 solar cells by interface reaction route controlling and self-organized nanopattern at the back contact', NPG Asia Mater, 9, pp. e401, http://dx.doi.org/10.1038/am.2017.103

Cazzaniga A; Crovetto A; Yan C; Sun K; Hao X; Ramis Estelrich J; Canulescu S; Stamate E; Pryds N; Hansen O; Schou J, 2017, 'Ultra-thin Cu2ZnSnS4 solar cell by pulsed laser deposition', Solar Energy Materials and Solar Cells, 166, pp. 91 - 99, http://dx.doi.org/10.1016/j.solmat.2017.03.002

Pu A; Ma F; Yan C; Huang J; Sun K; Green M; Hao X, 2017, 'Sentaurus modelling of 6.9% Cu2ZnSnS4 device based on comprehensive electrical & optical characterization', Solar Energy Materials and Solar Cells, 160, pp. 372 - 381, http://dx.doi.org/10.1016/j.solmat.2016.10.053

Yan C; Sun K; Huang J; Johnston S; Liu F; Veettil BP; Sun K; Pu A; Zhou F; Stride JA; Green MA; Hao X, 2017, 'Beyond 11% Efficient Sulfide Kesterite Cu2ZnxCd1–xSnS4 Solar Cell: Effects of Cadmium Alloying', ACS Energy Letters, 2, pp. 930 - 936, http://dx.doi.org/10.1021/acsenergylett.7b00129

Yan C; Sun K; Liu F; Huang J; Zhou F; Hao X, 2017, 'Boost Voc of pure sulfide kesterite solar cell via a double CZTS layer stacks', Solar Energy Materials and Solar Cells, 160, pp. 7 - 11, http://dx.doi.org/10.1016/j.solmat.2016.09.027

Wang Y; Chen J; Jiang L; Sun K; Liu F; Lai Y, 2016, 'Photoelectrochemical properties of Bi2S3 thin films deposited by successive ionic layer adsorption and reaction (SILAR) method', Journal of Alloys and Compounds, 686, pp. 684 - 692, http://dx.doi.org/10.1016/j.jallcom.2016.06.065

Yan C; Liu F; Sun K; Song N; Stride JA; Zhou F; Hao X; Green M, 2016, 'Boosting the efficiency of pure sulfide CZTS solar cells using the In/Cd-based hybrid buffers', Solar Energy Materials and Solar Cells, 144, pp. 700 - 706, http://dx.doi.org/10.1016/j.solmat.2015.10.019

Sun K; Liu F; Yan C; Zhou F; Huang J; Shen Y; Liu R; Hao X, 2016, 'Influence of sodium incorporation on kesterite Cu2ZnSnS4 solar cells fabricated on stainless steel substrates', Solar Energy Materials and Solar Cells, 157, pp. 565 - 571, http://dx.doi.org/10.1016/j.solmat.2016.07.036

Tong Z; Zhang K; Sun K; Yan C; Liu F; Jiang L; Lai Y; Hao X; Li J, 2016, 'Modification of absorber quality and Mo-back contact by a thin Bi intermediate layer for kesterite Cu2ZnSnS4 solar cells', Solar Energy Materials and Solar Cells, 144, pp. 537 - 543, http://dx.doi.org/10.1016/j.solmat.2015.09.066

Liu F; Yan C; Huang J; Sun K; Zhou F; Stride JA; Green MA; Hao X, 2016, 'Nanoscale Microstructure and Chemistry of Cu2ZnSnS4/CdS Interface in Kesterite Cu2ZnSnS4 Solar Cells', Advanced Energy Materials, 6, pp. n/a - n/a, http://dx.doi.org/10.1002/aenm.201600706

Sun K; Yan C; Liu F; Huang J; Zhou F; Stride JA; Green M; Hao X, 2016, 'Over 9% Efficient Kesterite Cu2ZnSnS4 Solar Cell Fabricated by Using Zn1–xCdxS Buffer Layer', Advanced Energy Materials, 6, pp. n/a - n/a, http://dx.doi.org/10.1002/aenm.201600046

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