Synergistic incorporation of NaF and CsF PDT for high efficiency kesterite solar cells: unveiling of grain interior and grain boundary effects

Xiaohuan Chang, Junjie Fu, Dongxing Kou, Wenhui Zhou, Zhengji Zhou, Shengjie Yuan, Yafang Qi, Zhi Zheng and Sixin Wu

J. Mater. Chem. A, 2021, 9, 413
DOI: 10.1039/D0TA08224D

Sodium-assisted passivation of grain boundaries and defects in Cu2ZnSnSe4 thin films

Juran Kim, Gee Yeong Kim, Trang Thi Thu Nguyen, Seokhyun Yoon, Yoon-Koo Kim, Seung-Yong Lee, Miyoung Kim, Dae-Hyung Cho, Yong-Duck Chung, Je-Ho Lee, Maeng-Je Seong and William Jo

Phys. Chem. Chem. Phys., 2020, 22, 7597
DOI: 10.1039/C9CP06537G

Improving open-circuit voltage deficit by interface passivation via Li treatment in Cu2ZnSn(S,Se)4 solar cells

Geumha Lim, Ha Kyung Park, Wook Hyun Kim, Seung-Hyun Kim, Kee-Jeong Yang, Jin-Kyu Kang, Dae-Hwan Kim and William Jo

J. Mater. Chem. A, 2023, 11, 25555
DOI: 10.1039/D3TA04907H

Synergistic effect of Na and Se on CZTSe solar cells through a soft chemical process

Dongxiao Wang, Jiangtao Chen, Moqing Wu, Shoushuai Gao, Li Wu, Jianping Ao, Yun Sun and Yi Zhang

Solar Energy Materials and Solar Cells, 2019, 198, 35
DOI: 10.1016/j.solmat.2019.04.015

Defect Engineering in Earth‐Abundant Cu2ZnSnSe4 Absorber Using Efficient Alkali Doping for Flexible and Tandem Solar Cell Applications

Muhammad Rehan, Ara Cho, Inyoung Jeong, Kihwan Kim, Asmat Ullah, Jun‐Sik Cho, Joo Hyung Park, Yunae Jo, Sung Jun Hong, Seung Kyu Ahn, SeJin Ahn, Jae Ho Yun, Jihye Gwak and Donghyeop Shin

Energy & Environ Materials, 2024, 7
DOI: 10.1002/eem2.12604

Ultrafast microscopy and image segmentation of spatially heterogeneous excited state and trap passivation in Cu2BaSnSSe3

Hannah Luebbering, Ashkan Shafiee, Betul Teymur, Yongshin Kim, David B. Mitzi and Elham Ghadiri

Cell Reports Physical Science, 2023, 4, 101601
DOI: 10.1016/j.xcrp.2023.101601

Chemical tailoring of sodium content for optimization of interfacial band bending and alignment in flexible kesterite solar cells

Ha Kyung Park, Yunae Cho, Juran Kim, Gee Yeong Kim, Woo-Lim Jeong, Kyung-Pil Kim, Dong-Seon Lee and William Jo

Solar Energy Materials and Solar Cells, 2021, 230, 111243
DOI: 10.1016/j.solmat.2021.111243

Regulating the NaSex-assisted crystallization of Cu2ZnSn(S,Se)4 film by modifying the reaction between Na source and Se in co-selenization process

Chao Gao, Yuzhou Sun, Tingchun Wu, Hao Li, Yang Liu, Qing Zhou, Zeran Gao, Xinzhan Wang, Jianjun Li and Wei Yu

Solar Energy Materials and Solar Cells, 2025, 292, 113771
DOI: 10.1016/j.solmat.2025.113771

Lithium/Silver-Doped Cu 2 ZnSnS 4 with Tunable Band Gaps and Phase Structures: a First-Principles Study

Jun Zhang, Jun Liao, Le-Xi Shao, Shu-Wen Xue and Zhi-Guo Wang

Chinese Phys. Lett., 2018, 35, 083101
DOI: 10.1088/0256-307X/35/8/083101

Sodium Effects on the Diffusion, Phase, and Defect Characteristics of Kesterite Solar Cells and Flexible Cu2ZnSn(S,Se)4 with Greater than 11% Efficiency

Kee‐Jeong Yang, Sammi Kim, Se‐Yun Kim, Dae‐Ho Son, Jaebaek Lee, Young‐Ill Kim, Shi‐Joon Sung, Dae‐Hwan Kim, Temujin Enkhbat, JunHo Kim, Juran Kim, William Jo and Jin‐Kyu Kang

Adv Funct Materials, 2021, 31
DOI: 10.1002/adfm.202102238

Impact of Na Doping on the Carrier Transport Path in Polycrystalline Flexible Cu2ZnSn(S,Se)4 Solar Cells

Woo‐Lim Jeong, Kyung‐Pil Kim, Juran Kim, Ha Kyung Park, Jung‐Hong Min, Je‐Sung Lee, Seung‐Hyun Mun, Sung‐Tae Kim, Jae‐Hyung Jang, William Jo and Dong‐Seon Lee

Advanced Science, 2020, 7
DOI: 10.1002/advs.201903085

Enhancing the Efficiency of CZTSSe Solar Cells by Optimizing K-Doping Concentration and Selenization Temperature

Xiaofei Sun, Mengge Li, Bin Yao, Yongfeng Li, Zhanhui Ding, Ding Ma, Yuting Sun, Yan Zhu, Ning Ding, Liyuan Shi and Shuang Li

ACS Appl. Energy Mater., 2025, 8, 1879
DOI: 10.1021/acsaem.4c03145

Identification the Role of Grain Boundaries in Polycrystalline Photovoltaics via Advanced Atomic Force Microscope

Liu Yang, Yanyan Wang, Xu Wang, Shareen Shafique, Fei Zheng, Like Huang, Xiaohui Liu, Jing Zhang, Yuejin Zhu, Chuanxiao Xiao and Ziyang Hu

Small, 2024, 20
DOI: 10.1002/smll.202304362

The Multiple Roles of Na Ions in Highly Efficient CZTSSe Solar Cells

Wentong Yang, Yixiong Ji, Wangxian Chen, Yining Pan, Zifei Chen, Shaoyang Wu, Salvy P. Russo, Yang Xu, Trevor A. Smith, Anthony Chesman, Paul Mulvaney and Fangyang Liu

Small, 2024, 20
DOI: 10.1002/smll.202307807

Enhancement of solution-processed Cu2ZnSnS4 film properties via a facile approach of sodium incorporation

Neha Kumari and Sarang Ingole

Materials Science in Semiconductor Processing, 2022, 146, 106660
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Flexible kesterite thin-film solar cells under stress

Ha Kyung Park, Yunae Cho, Juran Kim, Sammi Kim, Sungjun Kim, Jeha Kim, Kee-Jeong Yang, Dae-Hwan Kim, Jin-Kyu Kang and William Jo

npj Flex Electron, 2022, 6
DOI: 10.1038/s41528-022-00221-4

Vertical plane depth‐resolved surface potential and carrier separation characteristics in flexible CZTSSe solar cells with over 12% efficiency

Dae‐Ho Son, Ha Kyung Park, Dae‐Hwan Kim, Jin‐Kyu Kang, Shi‐Joon Sung, Dae‐Kue Hwang, Jaebaek Lee, Dong‐Hwan Jeon, Yunae Cho, William Jo, Taeseon Lee, JunHo Kim, Sang‐Hoon Nam and Kee‐Jeong Yang

Carbon Energy, 2024, 6
DOI: 10.1002/cey2.434

Structure‐Property Correlations in CZTSe Domains within Semiconductor Nanocrystals as Photovoltaic Absorbers

Apinya Ngoipala, Huan Ren, Kevin M. Ryan and Matthias Vandichel

Advanced Science, 2024, 11
DOI: 10.1002/advs.202402154

Defect Synergistic Regulations of Li&Na Co‐Doped Flexible Cu2ZnSn(S,Se)4 Solar Cells Achieving over 10% Certified Efficiency

Quanzhen Sun, Chen Shi, Weihao Xie, Yifan Li, Caixia Zhang, Jionghua Wu, Qiao Zheng, Hui Deng and Shuying Cheng

Advanced Science, 2024, 11
DOI: 10.1002/advs.202306740

Strong Interplay between Sodium and Oxygen in Kesterite Absorbers: Complex Formation, Incorporation, and Tailoring Depth Distributions

Sigbjørn Grini, Kostiantyn V. Sopiha, Nils Ross, Xin Liu, Tor S. Bjørheim, Charlotte Platzer‐Björkman, Clas Persson and Lasse Vines

Advanced Energy Materials, 2019, 9
DOI: 10.1002/aenm.201900740

Effect of Na doping on the performance and the band alignment of CZTS/CdS thin film solar cell

Bin Liu, Jie Guo, Ruiting Hao, Lu Wang, Kang Gu, Shuaihui Sun and Abuduwayiti Aierken

Solar Energy, 2020, 201, 219
DOI: 10.1016/j.solener.2020.02.088

Defect passivation in Cu2ZnSnSe4 thin-film solar cells by novel sodium doping

Muhammad Rehan, Ara Cho, Awet Mana Amare, Kihwan Kim, Jae Ho Yun, Jun-Sik Cho, Joo Hyung Park, Jihye Gwak and Donghyeop Shin

Solar Energy Materials and Solar Cells, 2021, 228, 111138
DOI: 10.1016/j.solmat.2021.111138

Influence of Na2S treatment on CZTS/Mo interface in Cu2ZnSnS4 solar cells annealed in sulfur-free atmosphere

Jie Guo, Shuaihui Sun, Bin Liu, Ruiting Hao and Licun Sun

Optik, 2021, 242, 166998
DOI: 10.1016/j.ijleo.2021.166998