• closedAccess   Enhanced efficiency and stability in Sn-based perovskite solar cells by trimethylsilyl halide surface passivation 

      Zhang, Zheng; Wang, Liang; Kumar Baranwal, Ajay; Sahamir, Shahrir Razey; Kapil, Gaurav; Sanehira, Yoshitaka; Kamarudin, Muhammad Akmal; Nishimura, Kohei; Ding, Chao; Liu, Dong; Li, Yusheng; Li, Hua; Chen, Mengmeng; Shen, Qing; Ripolles, Teresa S.; Bisquert, Juan; Hayase, Shuzi Elsevier (2022-05-13)
      Lead free tin perovskite solar cells (PKSCs) are the most suitable alternative candidate for conventional lead perovskite solar cells. However, the efficiency and the stability are insufficient, mainly because of the poor ...
    • closedAccess   High-Efficiency Lead-Free Wide Band Gap Perovskite Solar Cells via Guanidinium Bromide Incorporation 

      Chen, Mengmeng; Kamarudin, Muhammad Akmal; Baranwal, Ajay Kumar; Kapil, Gaurav; Ripolles, Teresa S.; Nishimura, Kohei; Hirotani, Daisuke; Sahamir, Shahrir Razey; Zhang, Zheng; Ding, Chao; Sanehira, Yoshitaka; Bisquert, Juan; Shen, Qing; Hayase, Shuzi American Chemical Society (2021-09-27)
      Despite lead halide perovskite(top)/silicon(bottom) tandem solar cell achieving >29% efficiency, the toxicity of lead limits the adoption of perovskites in electronic devices. To solve this problem, tin perovskite has been ...
    • closedAccess   Large Grain Growth and Energy Alignment Optimization by Diethylammonium Iodide Substitution at A Site in Lead-Free Tin Halide Perovskite Solar Cells 

      zhang, zheng; Baranwal, Ajay Kumar; Sahamir, Shahrir Razey; Kapil, Gaurav; Sanehira, Yoshitaka; Chen, Mengmeng; Nishimura, Kohei; Ding, Chao; Liu, Dong; Li, Hua; Li, Yusheng; Kamarudin, Muhammad Akmal; Shen, Qing; Ripolles, Teresa S.; Bisquert, Juan; Hayase, Shuzi Wiley (2021-10-13)
      Environment-friendly tin perovskite solar cells (T-PKSCs) are the most suitable alternative candidate for lead-free PKSCs. However, the photovoltaic performance of such T-PKSCs is far below those of lead-based perovskite ...