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Rethinking Graphene-Based Advanced Oxidation Processes through Catalytic Interface Engineering

delete2026-05-15
delete0
PRE
AI
H
Huawen Hu
H
Hongxi Guo
W
Wanqing Li
B
Baoyi Ke
J
Jian Huang
Y
Yuting Chen
Y
Yuyuan Zhang
M
Menglei Chang
DOI：10.1039/D6EN00241Bdelete
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Abstract

Abstract

En 中文
Advanced oxidation processes (AOPs) have evolved from radical-centered oxidation schemes into a broader family of interfacial reaction platforms; yet the role of graphene-based catalysts is still often discussed in terms of material identity rather than catalytic function. Here; we provide a critical short review of graphene-enabled AOPs from the perspective of catalytic interface engineering. We argue that the relevance of graphene; graphene oxide; reduced graphene oxide; and their hybrids lies not in graphene being an intrinsically superior catalyst; but in their ability to create tunable solid–liquid interfaces that couple pollutant enrichment; oxidant adsorption; charge redistribution; short-range electron transfer; and confined oxidation. Moving beyond conventional categories such as defect engineering; heteroatom doping; heterojunction construction; and membrane-level nanoconfinement; we further discuss emerging interface-engineering concepts; including interfacial microenvironment regulation; built-in electric-field effects; molecular/ionic functionalization; dynamic interfacial reconstruction; and coordination-environment tuning. These strategies are important because they directly influence adsorption geometry; local reaction environment; oxidant utilization; and the competition between radical and nonradical pathways. This interface-centered view is particularly relevant to catalytic and electrified membrane systems; where transport; confinement; and electron flow become inseparable from mechanism. We also highlight persistent limitations; including ambiguous active-site identification; overassignment of reactive oxygen species; overreliance on simplified model pollutants; insufficient durability and regeneration assessment; and the scarcity of continuous-flow and real-water validation. Looking forward; progress will depend on moving from composition-driven catalyst screening toward mechanism-resolved; process-relevant interface design; supported by operando characterization; multiscale descriptors; stability-aware evaluation; and integrated reactor architectures. This perspective positions graphene-based AOPs not as a mature catalyst class; but as a rapidly evolving framework for constructing selective; efficient; durable; and practically relevant oxidation interfaces.
Keywords:
Graphene-based catalysts
Advanced oxidation processes
Catalytic interface engineering
Pollutant enrichment
Oxidant adsorption

Journal

E
Environmental Science: Nano
IF:
0
Papers:
284
Citations:
6

Organization

No organization information available