Identifying Active Sites of IrOx Catalysts for OER: A Combined Operando XAS, SEIRAS, and Theoretical Study - Neha Thakur; Yadan Ren; Mukesh Kumar; Tomoki Uchiyama; Mitsuharu Fujita; Ikkei Arima; Minoru Ishida; Yingkai Wu; Yuta Tsuji; Hideto Imai; Masashi Matsumoto; Yu Zhuang; et al. (Journal of the American Chemical Society, 2025)