单原子催化的关键进展与未来挑战

单原子催化剂(SACs)兼具均相与多相催化剂的双重优势, 表现出最大化的原子利用率、 超高的本征活性与选择性以及易与产物分离的特点, 受到人们的广泛关注. 然而, 由于单个原子较高的表面能以及不稳定性, 设计与制备单原子催化剂仍是一大挑战. 本文综合评述了近年来单原子催化剂的稳定化策略、 高载量催化剂的制备方法以及批量制备技术等方面的关键研究进展, 并简要分析了单原子催化剂未来发展所面临的问题与挑战, 最后对单原子催化的发展方向进行了展望.

Current Advances and Future Challenges of Single-atom Catalysis

Single-atom catalysts（SACs）， which combines the advantages of homogeneous and heterogeneous catalysts， have attracted great research interest due to their maximum atomic utilization efficiency， superior catalytic performance and easy separation from reaction systems. However， due to the high surface energy and thus instability of single atoms， it remains a great challenge to rational design and fabricate stable SACs. In this review， we summarized and discussed the advances of stabilizing strategies， high-loading synthesis and batch preparation for SACs in recent years. We also envisioned the challenges on the future development of SACs. Finally， the research prospect of single-atom catalysis was forecasted.