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Liming Sun

Bio: Liming Sun is an academic researcher from Jiangsu Normal University. The author has contributed to research in topics: Photocatalysis & Catalysis. The author has an hindex of 13, co-authored 33 publications receiving 935 citations.

Papers
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Journal ArticleDOI
TL;DR: Recent development of porous structures, such as metal oxides and metal sulfides, and their heterostructures, derived from MOF-based materials as catalysts for various light-driven energy-/environment-related reactions, including water splitting, CO2 reduction, organic redox reaction, and pollution degradation are summarized.
Abstract: Porous structures offer highly accessible surfaces and rich pores, which facilitate the exposure of numerous active sites for photocatalytic reactions, leading to excellent performances. Recently, metal-organic frameworks (MOFs) have been considered ideal precursors for well-designed semiconductors with porous structures and/or heterostructures, which have shown enhanced photocatalytic activities. In this review, we summarize the recent development of porous structures, such as metal oxides and metal sulfides, and their heterostructures, derived from MOF-based materials as catalysts for various light-driven energy-/environment-related reactions, including water splitting, CO2 reduction, organic redox reaction, and pollution degradation. A summary and outlook section is also included.

456 citations

Journal ArticleDOI
TL;DR: In this paper, a self-sacrificial hydrolytic etching approach with directional chemical protection was used to obtain high photocatalytic activity of metal-organic framework (MOF)-based heterojunction systems.

103 citations

Journal ArticleDOI
TL;DR: In this paper, a nitrogen-doped porous carbon yolk-shell cuboctahedral (CNPC) framework has been used to anchor Cu2O nanoparticles in situ on a benzimidazole-modified Cu-btc MOF template.
Abstract: An efficient photocatalyst should maximize utilization of sunlight and minimize recombination of photogenerated electron–hole pairs. Thus, searching for a simple approach to develop low-cost efficient photocatalysts to improve the utilization ratio of sunlight and boost the photogenerated charge carrier lifetime is very important and challenging. In this article, anchoring Cu2O nanoparticles (NPs) in situ on a nitrogen-doped porous carbon yolk–shell cuboctahedral (CNPC) framework has been successfully carried out by direct derivation from a benzimidazole-modified Cu-btc MOF (btc = benzene-1,3,5-tricarboxylate, MOF = metal–organic framework) template. The prepared CNPC showed high photoredox catalysis in forming C–C bond reactions, resulting from the prolonged lifetime of photogenerated electrons and holes, multiple reflections of light by the yolk–shell structure, and improved stability and dispersibility of Cu2O NPs. Our study provided a simple way to designing low-cost, efficient heterostuctured photoca...

103 citations

Journal ArticleDOI
TL;DR: Carbon-coated In2O3 nanoparticles are prepared as recoverable photocatalysts for arylboronic acid oxidative hydroxylation and the main reactive species in the catalytic reactions were identified.
Abstract: Excellent catalytic activity, high stability and easy recovery are three key elements for fabricating efficient photocatalysts, while developing a simple method to fabricate such photocatalysts with these three features at the same time is highly challenging. In this study, we successfully synthesized double-shelled hollow rods (DHR) assembled by nitrogen (N) and sulfur (S)-codoped carbon coated indium(III) oxide (In2O3) ultra-small nanoparticles (N,S-C/In2O3 DHR). N,S-C/In2O3 DHR exhibits remarkable photocatalytic activity, high stability and easy recovery for oxidative hydroxylation reaction of arylboronic acid substrates. The catalyst recovery and surface area were well balanced through improved light harvesting, contributed by concurrently enhancing the reflection on the outer porous shell and the diffraction in the inside double-shelled hollow structure, and increased separation rate of photogenerated carriers. Photocatalytic mechanism was investigated to identify the main reactive species in the catalytic reactions. The electron separation and transfer pathway via N,S-codoped graphite/In2O3 interface was revealed by theoretical calculations. While photoredox catalysis presents exciting avenues for molecular transformations, balancing optimal photochemical and materials properties can be challenging. Here, the authors prepare carbon-coated In2O3 nanoparticles as recoverable photocatalysts for arylboronic acid oxidative hydroxylation.

101 citations


Cited by
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Journal ArticleDOI
TL;DR: This review first briefly summarizes this background of MOF nanoparticle catalysis and then comprehensively reviews the fast-growing literature reported during the last years.
Abstract: Metal-organic framework (MOF) nanoparticles, also called porous coordination polymers, are a major part of nanomaterials science, and their role in catalysis is becoming central. The extraordinary variability and richness of their structures afford engineering synergies between the metal nodes, functional linkers, encapsulated substrates, or nanoparticles for multiple and selective heterogeneous interactions and activations in these MOF-based nanocatalysts. Pyrolysis of MOF-nanoparticle composites forms highly porous N- or P-doped graphitized MOF-derived nanomaterials that are increasingly used as efficient catalysts especially in electro- and photocatalysis. This review first briefly summarizes this background of MOF nanoparticle catalysis and then comprehensively reviews the fast-growing literature reported during the last years. The major parts are catalysis of organic and molecular reactions, electrocatalysis, photocatalysis, and views of prospects. Major challenges of our society are addressed using these well-defined heterogeneous catalysts in the fields of synthesis, energy, and environment. In spite of the many achievements, enormous progress is still necessary to improve our understanding of the processes involved beyond the proof-of-concept, particularly for selective methane oxidation, hydrogen production, water splitting, CO2 reduction to methanol, nitrogen fixation, and water depollution.

1,233 citations

Journal ArticleDOI
TL;DR: In this paper, the state-of-the-art progress on defect-engineered photocatalytic materials is reviewed and the future opportunities and challenges regarding defect engineering in photocatalysis are highlighted.

629 citations

Journal ArticleDOI
TL;DR: New opportunities and approaches for the application of nanotechnology to enhance the efficiency and affordability of water treatment and wastewater reuse and enhance water security are considered.
Abstract: No other resource is as necessary for life as water, and providing it universally in a safe, reliable and affordable manner is one of the greatest challenges of the twenty-first century. Here, we consider new opportunities and approaches for the application of nanotechnology to enhance the efficiency and affordability of water treatment and wastewater reuse. Potential development and implementation barriers are discussed along with research needs to overcome them and enhance water security. This Perspective provides an overview of the potential aspects of water treatment and cleaning in which nanotechnology could play an important role.

536 citations

Journal ArticleDOI
TL;DR: Recent development of porous structures, such as metal oxides and metal sulfides, and their heterostructures, derived from MOF-based materials as catalysts for various light-driven energy-/environment-related reactions, including water splitting, CO2 reduction, organic redox reaction, and pollution degradation are summarized.
Abstract: Porous structures offer highly accessible surfaces and rich pores, which facilitate the exposure of numerous active sites for photocatalytic reactions, leading to excellent performances. Recently, metal-organic frameworks (MOFs) have been considered ideal precursors for well-designed semiconductors with porous structures and/or heterostructures, which have shown enhanced photocatalytic activities. In this review, we summarize the recent development of porous structures, such as metal oxides and metal sulfides, and their heterostructures, derived from MOF-based materials as catalysts for various light-driven energy-/environment-related reactions, including water splitting, CO2 reduction, organic redox reaction, and pollution degradation. A summary and outlook section is also included.

456 citations

Journal ArticleDOI
TL;DR: In this paper, a carbon nanocage was synthesized by direct pyrolysis of a core-shell ZIF-8@ZIF-67 polyhedron.

419 citations