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  1. Article: Fabrication of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate)/Poly(vinylidene fluoride) Nanofiber-Web-Based Transparent Conducting Electrodes for Dye-Sensitized Photovoltaic Textiles

    Cha, Sujin / Lee, Eugene / Cho, Gilsoo

    ACS applied materials & interfaces. 2021 June 10, v. 13, no. 24

    2021  

    Abstract: In this work, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/poly(vinylidene fluoride) (PVDF) nanofiber-web-based transparent conducting electrodes (TCEs) were fabricated for use in dye-sensitized photovoltaic textiles. The PEDOT:PSS ...

    Abstract In this work, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/poly(vinylidene fluoride) (PVDF) nanofiber-web-based transparent conducting electrodes (TCEs) were fabricated for use in dye-sensitized photovoltaic textiles. The PEDOT:PSS solution was mixed with dimethyl sulfoxide (DMSO) solvent, and the PEDOT:PSS/DMSO mixture was applied on the PVDF nanofiber web using a simple brush-painting technique to prepare ultrathin and -lightweight, highly transparent TCEs. When the PVDF nanofiber web was treated with a 3:7 PEDOT:PSS and DMSO mixture (P3D7 sample), it exhibited ∼84% transmittance at a wavelength of 550 nm with an average sheet resistance of ∼1.5 kΩ/sq. In addition, it showed a figure of merit (FOM) of 0.104 × 10–³ Ω–¹. In the trial test, the P3D7 TCE-based photovoltaic textile exhibited an average voltage of 73.20 mV and an average current of 0.44 mA/cm².
    Keywords dimethyl sulfoxide ; electric potential difference ; fabrics ; fluorides ; nanofibers ; solvents ; transmittance ; wavelengths
    Language English
    Dates of publication 2021-0610
    Size p. 28855-28863.
    Publishing place American Chemical Society
    Document type Article
    ISSN 1944-8252
    DOI 10.1021/acsami.1c06081
    Database NAL-Catalogue (AGRICOLA)

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  2. Article ; Online: Fabrication of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate)/Poly(vinylidene fluoride) Nanofiber-Web-Based Transparent Conducting Electrodes for Dye-Sensitized Photovoltaic Textiles.

    Cha, Sujin / Lee, Eugene / Cho, Gilsoo

    ACS applied materials & interfaces

    2021  Volume 13, Issue 24, Page(s) 28855–28863

    Abstract: In this work, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/poly(vinylidene fluoride) (PVDF) nanofiber-web-based transparent conducting electrodes (TCEs) were fabricated for use in dye-sensitized photovoltaic textiles. The PEDOT:PSS ...

    Abstract In this work, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/poly(vinylidene fluoride) (PVDF) nanofiber-web-based transparent conducting electrodes (TCEs) were fabricated for use in dye-sensitized photovoltaic textiles. The PEDOT:PSS solution was mixed with dimethyl sulfoxide (DMSO) solvent, and the PEDOT:PSS/DMSO mixture was applied on the PVDF nanofiber web using a simple brush-painting technique to prepare ultrathin and -lightweight, highly transparent TCEs. When the PVDF nanofiber web was treated with a 3:7 PEDOT:PSS and DMSO mixture (P3D7 sample), it exhibited ∼84% transmittance at a wavelength of 550 nm with an average sheet resistance of ∼1.5 kΩ/sq. In addition, it showed a figure of merit (FOM) of 0.104 × 10
    Language English
    Publishing date 2021-06-10
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.1c06081
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Improved Sheet Resistance of Nanofiber-Based Transparent Conducting Electrodes Using Silver Nanowires.

    Cha, Sujin / Choi, Byeolyi / Lee, Eugene / Cho, Gilsoo

    Polymers

    2021  Volume 13, Issue 21

    Abstract: There is an increased need for research on flexible transparent electrodes (FTEs) because they are critical to next-generation electronic devices, such as wearable computers. In this study, highly conductive transparent conducting electrodes, based on ... ...

    Abstract There is an increased need for research on flexible transparent electrodes (FTEs) because they are critical to next-generation electronic devices, such as wearable computers. In this study, highly conductive transparent conducting electrodes, based on polyvinylidene fluoride (PVDF) nanofiber webs treated with poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) and silver nanowires (AgNWs), were successfully fabricated. Transparent conducting electrodes (TCEs) were obtained by a brush-painting process using different weight ratios of a AgNWs to PEDOT:PSS solution, and the surface, electrical, optical, and chemical properties, as well as the tensile strength of the samples, were determined. It was found that the electrical conductivity of the samples improved as the AgNW content increased, but the light transmittance decreased. In this work, there was a slight decrease in the optical properties and a considerable increase in the electrical properties due to the hybridization of AgNWs and PEDOT:PSS, compared to using only PEDOT:PSS. When considering both transparency and electrical conductivity, which are essential parameters of TCEs, sample PA2, which was treated by mixing AgNWs and PEDOT:PSS/dimethyl sulfoxide (DMSO) in a ratio of 1:5 (16.67 wt% of AgNWs), was found to be the best sample, with a sheet resistance of 905 Ω/cm
    Language English
    Publishing date 2021-11-08
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2527146-5
    ISSN 2073-4360 ; 2073-4360
    ISSN (online) 2073-4360
    ISSN 2073-4360
    DOI 10.3390/polym13213856
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: The Bacterial Quorum-Sensing Signal 2-Aminoacetophenone Rewires Immune Cell Bioenergetics through the PGC-1α/ERRα Axis to Mediate Tolerance to Infection.

    Chakraborty, Arijit / Bandyopadhaya, Arunava / Singh, Vijay K / Kovacic, Filip / Cha, Sujin / Oldham, William M / Tzika, A Aria / Rahme, Laurence G

    bioRxiv : the preprint server for biology

    2024  

    Abstract: How bacterial pathogens exploit host metabolism to promote immune tolerance and persist in infected hosts remains elusive. To achieve this, we show ... ...

    Abstract How bacterial pathogens exploit host metabolism to promote immune tolerance and persist in infected hosts remains elusive. To achieve this, we show that
    Language English
    Publishing date 2024-04-02
    Publishing country United States
    Document type Preprint
    DOI 10.1101/2024.02.26.582124
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Sunlight-Driven Self-Cleaning Ultrafine Particulate Matter Filter with Antibacterial Activity.

    Kim, Jun Tae / Kwon, Jungsun / Lee, Hyunjung / Kim, Chansol / Yang, Geon Gug / San Lee, Gang / Lee, Chan Woo / Kim, Jin Goo / Cha, Sujin / Jung, Hee-Tae / Padmajan Sasikala, Suchithra / Kim, Sang Ouk

    ACS nano

    2024  Volume 18, Issue 8, Page(s) 6387–6397

    Abstract: Air pollution by particulate matter (PM) and airborne pathogens causes severe health problems in the human body. Presently, popular disposable air filters yield huge waste and have a fatal impact on the environment. Postuse cleaning of air filters also ... ...

    Abstract Air pollution by particulate matter (PM) and airborne pathogens causes severe health problems in the human body. Presently, popular disposable air filters yield huge waste and have a fatal impact on the environment. Postuse cleaning of air filters also leads to secondary air and water pollution. Here, we report a sunlight-driven self-cleaning PM filter by coupling a full-solar-spectrum-active photocatalyst comprising up-conversion nanoparticles (UCNPs) decorated with semiconductor iron(III) oxide (UCNP@α-Fe
    MeSH term(s) Humans ; Particulate Matter/chemistry ; Escherichia coli ; Ferric Compounds ; Staphylococcus aureus ; Air Filters
    Chemical Substances Particulate Matter ; Ferric Compounds
    Language English
    Publishing date 2024-02-16
    Publishing country United States
    Document type Journal Article
    ISSN 1936-086X
    ISSN (online) 1936-086X
    DOI 10.1021/acsnano.3c11284
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Skeletal Muscle Mitochondrial Dysfunction Mediated by

    Aggarwal, Shifu / Singh, Vijay / Chakraborty, Arijit / Cha, Sujin / Dimitriou, Alexandra / de Crescenzo, Claire / Izikson, Olivia / Yu, Lucy / Plebani, Roberto / Tzika, A Aria / Rahme, Laurence G

    bioRxiv : the preprint server for biology

    2024  

    Abstract: Sepsis and chronic infections ... ...

    Abstract Sepsis and chronic infections with
    Language English
    Publishing date 2024-05-05
    Publishing country United States
    Document type Preprint
    DOI 10.1101/2024.05.03.592480
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: 2D Materials Beyond Post-AI Era: Smart Fibers, Soft Robotics, and Single Atom Catalysts.

    Lee, Gang San / Kim, Jin Goo / Kim, Jun Tae / Lee, Chan Woo / Cha, Sujin / Choi, Go Bong / Lim, Joonwon / Padmajan Sasikala, Suchithra / Kim, Sang Ouk

    Advanced materials (Deerfield Beach, Fla.)

    2023  Volume 36, Issue 11, Page(s) e2307689

    Abstract: Recent consecutive discoveries of various 2D materials have triggered significant scientific and technological interests owing to their exceptional material properties, originally stemming from 2D confined geometry. Ever-expanding library of 2D materials ...

    Abstract Recent consecutive discoveries of various 2D materials have triggered significant scientific and technological interests owing to their exceptional material properties, originally stemming from 2D confined geometry. Ever-expanding library of 2D materials can provide ideal solutions to critical challenges facing in current technological trend of the fourth industrial revolution. Moreover, chemical modification of 2D materials to customize their physical/chemical properties can satisfy the broad spectrum of different specific requirements across diverse application areas. This review focuses on three particular emerging application areas of 2D materials: smart fibers, soft robotics, and single atom catalysts (SACs), which hold immense potentials for academic and technological advancements in the post-artificial intelligence (AI) era. Smart fibers showcase unconventional functionalities including healthcare/environmental monitoring, energy storage/harvesting, and antipathogenic protection in the forms of wearable fibers and textiles. Soft robotics aligns with future trend to overcome longstanding limitations of hard-material based mechanics by introducing soft actuators and sensors. SACs are widely useful in energy storage/conversion and environmental management, principally contributing to low carbon footprint for sustainable post-AI era. Significance and unique values of 2D materials in these emerging applications are highlighted, where the research group has devoted research efforts for more than a decade.
    Language English
    Publishing date 2023-12-20
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 1474949-X
    ISSN 1521-4095 ; 0935-9648
    ISSN (online) 1521-4095
    ISSN 0935-9648
    DOI 10.1002/adma.202307689
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Mass spectrometric analysis of cyclofenil and its metabolites in human urine.

    Myung, Seung-Woon / Min, Hye-Ki / Kim, Dong-Hyun / Kim, Myungsoo / Cha, SuJin / Yoo, Eun-Ah / Yim, Yong-Hyeon

    Rapid communications in mass spectrometry : RCM

    2002  Volume 16, Issue 8, Page(s) 761–767

    Abstract: Using gas chromatography/electron impact-mass spectrometry (GC/EI-MS) and high performance liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry (HPLC/APCI-MS/MS), the structures of cyclofenil metabolites in human ... ...

    Abstract Using gas chromatography/electron impact-mass spectrometry (GC/EI-MS) and high performance liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry (HPLC/APCI-MS/MS), the structures of cyclofenil metabolites in human urine have been assigned. The hydroxyl metabolites liberated from the glucuronide conjugates after acid hydrolysis were characterized as the trimethylsilyl (O-TMS) derivatives using GC/MS. The conjugate glucuronide forms were detected without hydrolysis by HPLC/MS. Cyclofenil was not observed in urine. Tentative structures for the two metabolites are proposed.
    MeSH term(s) Adult ; Biotransformation ; Chromatography, High Pressure Liquid ; Cyclofenil/urine ; Female ; Fertility Agents, Female/urine ; Gas Chromatography-Mass Spectrometry ; Humans ; Male
    Chemical Substances Fertility Agents, Female ; Cyclofenil (J468V64WZ1)
    Language English
    Publishing date 2002
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 58731-x
    ISSN 1097-0231 ; 0951-4198
    ISSN (online) 1097-0231
    ISSN 0951-4198
    DOI 10.1002/rcm.636
    Database MEDical Literature Analysis and Retrieval System OnLINE

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