Anion vacancies activate N

• Tác giả: Hideo Hosono, Yihao Jiang, Masaaki Kitano, Jun Kujirai, Jiang Li, Satoru Matsuishi, Kazuki Miyashita, Masayoshi Miyazaki, Kiya Ogasawara, Masato Sasase, Tomofumi Tada, Tong Wu, Zhujun Zhang
• Ngôn ngữ: eng
• Ký hiệu phân loại: 001.2 Scholarship and learning
• Thông tin xuất bản: England : Nature chemistry , 2025
• Bộ sưu tập: NCBI
• ID: 185922

Tóm tắt

Anion vacancies on metal oxide surfaces have been studied as either active sites or promoting sites in various chemical reactions involving oxidation/reduction processes. However, oxide materials rarely work effectively as catalysts in the absence of transition metal sites. Here we report a Ba-Si orthosilicate oxynitride-hydride as a transition-metal-free catalyst for efficient ammonia synthesis via an anion-vacancy-mediated mechanism. The facile desorption of H