Targeted engineering of porous metal-organic frameworks for photocatalytic reduction and conversion of carbon dioxide
Subject Areas :
Vahid Safarifard
1
,
Maedeh Atoufi Kashani
2
,
Rahil Shokoohian
3
1 -
2 - Iran university of science and technology
3 - Iran university of science and technology
Keywords: Photocatalytic CO2 reduction, metal-organic frameworks (MOFs), advanced composites, MOF-derived materials, charge transfer.,
Abstract :
Sunlight, as a clean and renewable energy source, can play an effective role in converting the greenhouse gas carbon dioxide (CO₂) into high-value-added products through the photocatalytic process. This approach is not only economically significant, enabling the production of chemical fuels and industrial raw materials, but it is also noteworthy as an attractive and sustainable strategy to combat the excessive release of CO₂, which is the primary driver of global warming and climate change. In this context, the utilization of solar-driven photocatalysis offers a viable route to address both energy and environmental challenges simultaneously. Among the diverse range of photocatalytic materials developed to date, photocatalysts based on porous coordination polymers (PCPs) or metal–organic frameworks (MOFs) have demonstrated exceptional potential in the field of photocatalytic CO₂ reduction, owing to their unique characteristics such as ultra-high porosity, considerable specific surface area, and tunable chemical structures. These structural advantages enable precise modulation of their surface active sites, which are crucial for enhancing photocatalytic efficiency and product selectivity. In this review study, recent advances in the rational design of MOF-based photocatalysts—including three main categories: pristine MOF materials, MOF-based composites, and MOF-derived derivatives—are systematically summarized and classified. Furthermore, novel modification strategies developed to improve the photocatalytic performance of these compounds, including approaches for linker and metal-node engineering, formation of metal–organic layers, and composite fabrication, are specifically highlighted.
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