Search

[Display omitted] • Fundamental knowledge on SSPFR are detailed illustrated. • Catalytic mechanism of each step and development of SSPFR are reviewed. • Various strategies aimed at improving the reaction rate are discussed and summarized. • Applications are introduced. • Prospects for the future development of SSPFR are presented. Fenton reaction has gained tremendous attention in the field of non-selective pollutant degradation, as •OH with powerful oxidizing capacity can be produced via H 2 O 2 activation. However, the widespread application is limited by the continuous consumption of commercial H 2 O 2 with high price. As an alternative strategy, self-sufficient photo-Fenton reaction (SSPFR) has been explored, where oxidant H 2 O 2 was in-situ produced inside the system for subsequent Fenton reactions, rather than external addition. Benefiting from the low cost, high H 2 O 2 utilization efficiency, and low risk in H 2 O 2 storage and transportation, SSPFR became a hotpot in scientific research, and developed rapidly in recent years. Herein, we critically reviewed the state-of-the-art development of SSPFR, in which the fundamental mechanism and catalytic process were firstly introduced. Then, SSPFR reaction was divided into three cascade steps: in-situ H 2 O 2 production, H 2 O 2 activation, and reactive oxygen species utilization. This paper reviewed the research progress in every step, and proposes corresponding potential strategies to accelerate the reaction rate. Finally, conclusions and prospects of SSPFR for the removal of organic pollutants were proposed. This study provides a valuable resource for researchers to construct novel and efficient SSPFR systems. [ABSTRACT FROM AUTHOR]