Search Results - "Choi, Wonyong"

Refine Results
  1. 1

    Review of iron-free Fenton-like systems for activating H2O2 in advanced oxidation processes by Bokare, Alok D., Choi, Wonyong

    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…”
    Get full text
    Journal Article
  2. 2

    Photocatalytic air purification mimicking the self-cleaning process of the atmosphere by He, Fei, Jeon, Woojung, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  3. 3

    Selective electroreduction of CO2 to acetone by single copper atoms anchored on N-doped porous carbon by Zhao, Kun, Nie, Xiaowa, Wang, Haozhi, Chen, Shuo, Quan, Xie, Yu, Hongtao, Choi, Wonyong, Zhang, Guanghui, Kim, Bupmo, Chen, Jingguang G.

    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,…”
    Get full text
    Journal Article
  4. 4

    Mechanistic analysis of multiple processes controlling solar-driven H2O2 synthesis using engineered polymeric carbon nitride by Zhao, Yubao, Zhang, Peng, Yang, Zhenchun, Li, Lina, Gao, Jingyu, Chen, Sheng, Xie, Tengfeng, Diao, Caozheng, Xi, Shibo, Xiao, Beibei, Hu, Chun, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  5. 5

    Modified carbon nitride nanozyme as bifunctional glucose oxidase-peroxidase for metal-free bioinspired cascade photocatalysis by Zhang, Peng, Sun, Dengrong, Cho, Ara, Weon, Seunghyun, Lee, Seonggyu, Lee, Jinwoo, Han, Jeong Woo, Kim, Dong-Pyo, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  6. 6

    Self-wetting triphase photocatalysis for effective and selective removal of hydrophilic volatile organic compounds in air by He, Fei, Weon, Seunghyun, Jeon, Woojung, Chung, Myoung Won, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  7. 7

    Surface modification of TiO2 photocatalyst for environmental applications by Park, Hyunwoong, Park, Yiseul, Kim, Wooyul, Choi, Wonyong

    “…► This paper reviews studies on TiO2 photocatalyst for environmental application. ► Various modification methods and their effects are discussed in detail. ►…”
    Get full text
    Journal Article
  8. 8

    Platinized WO3 as an Environmental Photocatalyst that Generates OH Radicals under Visible Light by Kim, Jungwon, Lee, Chul Wee, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  9. 9

    Substrate-Specific Photocatalytic Activities of TiO2 and Multiactivity Test for Water Treatment Application by Ryu, Jungho, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  10. 10

    Accelerated Reduction of Bromate in Frozen Solution by Min, Dae Wi, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  11. 11

    Heteroatom Dopants Promote Two‐Electron O2 Reduction for Photocatalytic Production of H2O2 on Polymeric Carbon Nitride by Zhang, Peng, Tong, Yawen, Liu, Yong, Vequizo, Junie Jhon M., Sun, Hongwei, Yang, Can, Yamakata, Akira, Fan, Fengtao, Lin, Wei, Wang, Xinchen, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  12. 12

    Photocatalytic hydrogen peroxide production by anthraquinone-augmented polymeric carbon nitride by Kim, Hyoung-il, Choi, Yeoseon, Hu, Shu, Choi, Wonyong, Kim, Jae-Hong

    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…”
    Get full text
    Journal Article
  13. 13

    Solar water oxidation using nickel-borate coupled BiVO4 photoelectrodes by Choi, Sung Kyu, Choi, Wonyong, Park, Hyunwoong

    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…”
    Get more information
    Journal Article
  14. 14

    Dye decolorization test for the activity assessment of visible light photocatalysts: Realities and limitations by Bae, Sugyeong, Kim, Sujeong, Lee, Seockheon, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  15. 15

    Activation of Persulfates by Graphitized Nanodiamonds for Removal of Organic Compounds by Lee, Hongshin, Kim, Hyoung-il, Weon, Seunghyun, Choi, Wonyong, Hwang, Yu Sik, Seo, Jiwon, Lee, Changha, Kim, Jae-Hong

    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…”
    Get full text
    Journal Article
  16. 16

    Ag(I) ions working as a hole-transfer mediator in photoelectrocatalytic water oxidation on WO3 film by Jeon, Tae Hwa, Monllor–Satoca, Damián, Moon, Gun–hee, Kim, Wooyul, Kim, Hyoung–il, Bahnemann, Detlef W., Park, Hyunwoong, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  17. 17

    Ultra-efficient and durable photoelectrochemical water oxidation using elaborately designed hematite nanorod arrays by Jeon, Tae Hwa, Moon, Gun-hee, Park, Hyunwoong, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  18. 18

    Molecular-Level Understanding of the Photocatalytic Activity Difference between Anatase and Rutile Nanoparticles by Kim, Wooyul, Tachikawa, Takashi, Moon, Gun-hee, Majima, Tetsuro, Choi, Wonyong

    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…”
    Get full text
    Journal Article
  19. 19

    The Technology Horizon for Photocatalytic Water Treatment: Sunrise or Sunset? by Loeb, Stephanie K, Alvarez, Pedro J. J, Brame, Jonathon A, Cates, Ezra L, Choi, Wonyong, Crittenden, John, Dionysiou, Dionysios D, Li, Qilin, Li-Puma, Gianluca, Quan, Xie, Sedlak, David L, David Waite, T, Westerhoff, Paul, Kim, Jae-Hong

    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,…”
    Get full text
    Journal Article
  20. 20

    Strategic Modification of BiVO4 for Improving Photoelectrochemical Water Oxidation Performance by Jeong, Hye Won, Jeon, Tae Hwa, Jang, Jum Suk, Choi, Wonyong, Park, Hyunwoong

    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…”
    Get full text
    Journal Article