Visible-light-driven photoelectrochemical platform based on pyrochlore Bi2Sn2O7-sensitized Sb1.75Bi0.25S3 solid solution for highly sensitive shikonin detection - Xiaoqian Sun; Shenyu Zhu; Linzi Huang; Caiyu Ge; Kunxiang Deng; Yilin Wang; Yixi Xie; Pengcheng Zhao; Junjie Fei (Chemical Engineering Journal, 2026)