Search Results - "Choi, Wonyong"
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Review of iron-free Fenton-like systems for activating H2O2 in advanced oxidation processes
Published in Journal of hazardous materials (30-06-2014)“…•Elements with multiple redox states efficiently decompose H2O2 at neutral pH.•Activation of H2O2 is entirely governed by solution pH and catalyst…”
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2
Photocatalytic air purification mimicking the self-cleaning process of the atmosphere
Published in Nature communications (05-05-2021)“…Photocatalytic air purification is a promising technology that mimics nature’s photochemical process, but its practical applications are still limited despite…”
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3
Selective electroreduction of CO2 to acetone by single copper atoms anchored on N-doped porous carbon
Published in Nature communications (15-05-2020)“…Efficient electroreduction of CO 2 to multi-carbon products is a challenging reaction because of the high energy barriers for CO 2 activation and C–C coupling,…”
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Mechanistic analysis of multiple processes controlling solar-driven H2O2 synthesis using engineered polymeric carbon nitride
Published in Nature communications (17-06-2021)“…Solar-driven hydrogen peroxide (H 2 O 2 ) production presents unique merits of sustainability and environmental friendliness. Herein, efficient solar-driven H…”
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5
Modified carbon nitride nanozyme as bifunctional glucose oxidase-peroxidase for metal-free bioinspired cascade photocatalysis
Published in Nature communications (26-02-2019)“…Nanomaterials-based biomimetic catalysts with multiple functions are necessary to address challenges in artificial enzymes mimicking physiological processes…”
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Self-wetting triphase photocatalysis for effective and selective removal of hydrophilic volatile organic compounds in air
Published in Nature communications (29-10-2021)“…Photocatalytic air purification is widely regarded as a promising technology, but it calls for more efficient photocatalytic materials and systems. Here we…”
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Surface modification of TiO2 photocatalyst for environmental applications
Published in Journal of photochemistry and photobiology. C, Photochemistry reviews (01-06-2013)“…► This paper reviews studies on TiO2 photocatalyst for environmental application. ► Various modification methods and their effects are discussed in detail. ►…”
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Platinized WO3 as an Environmental Photocatalyst that Generates OH Radicals under Visible Light
Published in Environmental science & technology (01-09-2010)“…This study aims to understand the visible light photocatalytic activities of platinized WO3 (Pt/WO3) on the degradation of aquatic pollutants and the role of…”
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Substrate-Specific Photocatalytic Activities of TiO2 and Multiactivity Test for Water Treatment Application
Published in Environmental science & technology (01-01-2008)“…The multidimensional aspects of the photocatalytic activity were investigated in a systematic way. The photocatalytic activities of eight commercial TiO2…”
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Accelerated Reduction of Bromate in Frozen Solution
Published in Environmental science & technology (01-08-2017)“…Bromate is a common disinfection byproduct formed during ozonation. Reducing bromate into bromide can remove this toxic pollutant, however, not many studies…”
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Heteroatom Dopants Promote Two‐Electron O2 Reduction for Photocatalytic Production of H2O2 on Polymeric Carbon Nitride
Published in Angewandte Chemie International Edition (07-09-2020)“…Polymeric carbon nitride modified with selected heteroatom dopants was prepared and used as a model photocatalyst to identify and understand the key mechanisms…”
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12
Photocatalytic hydrogen peroxide production by anthraquinone-augmented polymeric carbon nitride
Published in Applied catalysis. B, Environmental (05-08-2018)“…[Display omitted] •Anthraquinone from industrial H2O2 production processes was adopted as a co-catalyst for the photocatalytic H2O2 production.•Molecular…”
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Solar water oxidation using nickel-borate coupled BiVO4 photoelectrodes
Published in Physical chemistry chemical physics : PCCP (07-05-2013)“…A naturally abundant nickel-borate (Ni-Bi) complex is demonstrated to successfully catalyze the photoelectrochemical (PEC) water oxidation of BiVO4 electrodes…”
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14
Dye decolorization test for the activity assessment of visible light photocatalysts: Realities and limitations
Published in Catalysis today (01-04-2014)“…The popular dye decolorization test for photocatalysts is systematically evaluated with using a set of six visible-light photocatalysts and five test dyes…”
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15
Activation of Persulfates by Graphitized Nanodiamonds for Removal of Organic Compounds
Published in Environmental science & technology (20-09-2016)“…This study introduces graphited nanodiamond (G-ND) as an environmentally friendly, easy-to-regenerate, and cost-effective alternative catalyst to activate…”
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Ag(I) ions working as a hole-transfer mediator in photoelectrocatalytic water oxidation on WO3 film
Published in Nature communications (19-02-2020)“…Ag(I) is commonly employed as an electron scavenger to promote water oxidation. In addition to its straightforward role as an electron acceptor, Ag(I) can also…”
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Ultra-efficient and durable photoelectrochemical water oxidation using elaborately designed hematite nanorod arrays
Published in Nano energy (01-09-2017)“…Ultrahigh-efficiency photoelectrochemical water oxidation using modified hematite (α-Fe2O3) nanorod arrays is reported. The hematite nanorod arrays are…”
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Molecular-Level Understanding of the Photocatalytic Activity Difference between Anatase and Rutile Nanoparticles
Published in Angewandte Chemie International Edition (15-12-2014)“…The generation of oxidants on illuminated photocatalysts and their participation in subsequent reactions are the main basis of the widely investigated…”
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The Technology Horizon for Photocatalytic Water Treatment: Sunrise or Sunset?
Published in Environmental science & technology (19-03-2019)“…Advanced oxidation processes via semiconductor photocatalysis for water treatment have been the subject of extensive research over the past three decades,…”
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Strategic Modification of BiVO4 for Improving Photoelectrochemical Water Oxidation Performance
Published in Journal of physical chemistry. C (09-05-2013)“…To improve the photoelectrochemical (PEC) performance of BiVO4, three different modifications (doping, heterojunction, and catalyst deposition) using…”
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