Unsupported nanoporous gold for heterogeneous catalysis

Nanoporous gold fabricated by dealloying represents a new type of heterogeneous catalysts. It has attracted arising interest from the catalysis science and technology community in recent years due to its unique structural properties, including open nanoporosity, high surface area, excellent electrical conductivity, nontoxicity nature, easy recyclability, and tunable surface chemistry. This mini-review summarizes recent advances in this exciting field and emphasizes novel performance in important heterogeneous catalytic applications.