Construction of a GdVO4-In2O3 n-n heterojunction enables ppb level triethylamine detection at low temperatures - Yi-Cheng Geng; Xiang-Bing Li; An-Qi Wang; Bing-Yi Xi; Qian-Qian Zhang; Li-He Yan; Fa-Ming Li; Wei-Dong Zhu (Chemical Engineering Journal, 2026)