What are the Challenges in Using Semiconductors for Catalysis?
One of the significant challenges in using semiconductors for catalysis is the recombination of electron-hole pairs, which can reduce the efficiency of the catalytic process. Additionally, the stability of the semiconductor under reaction conditions is a concern. For example, CdS is prone to photodissolution, which limits its practical applications. Addressing these challenges often involves doping the semiconductor with other elements, creating heterojunctions, or using co-catalysts to enhance performance and stability.
