Interfacial Brønsted Acid Site Architectures on Amorphous Silica–Alumina Resolved by Heteronuclear-Filtered Two-Dimensional Solid-State NMR Correlation Spectroscopy - Mingji Zheng; Shuangqin Zeng; Qiang Wang; Yujie Xi; Yueying Chu; Xiaoyi Sang; Jun Bao; Weicheng Cao; Alexander Yakimov; Jun Xu; Christophe Copéret; Feng Deng (Journal of the American Chemical Society, 2026)