Search Results - "Waki, Keiko"

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  1. 1

    Structurally Tuning Li2O2 by Controlling the Surface Properties of Carbon Electrodes: Implications for Li–O2 Batteries by Wong, Raymond A, Dutta, Arghya, Yang, Chunzhen, Yamanaka, Keisuke, Ohta, Toshiaki, Nakao, Aiko, Waki, Keiko, Byon, Hye Ryung

    Published in Chemistry of materials (08-11-2016)
    “…In lithium oxygen (Li–O2) batteries, controlling the structure of lithium peroxide (Li2O2) can reduce the large overpotential of the charge process as this…”
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    Journal Article
  2. 2

    The influence of carboxyl group on nitrogen doping for defective carbon nanotubes toward oxygen reduction reaction by Zhang, Lijie, Waki, Keiko

    Published in Carbon (New York) (15-04-2022)
    “…To investigate the effect of different oxygen functional groups (OFGs) on nitrogen doping for defective multi-walled carbon nanotube (DMWNT), the DMWNTs were…”
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  3. 3

    Impacts of structure defects and carboxyl and carbonyl functional groups on the work function of multiwalled carbon nanotubes by Gong, Bo, Ikematsu, Akitoshi, Waki, Keiko

    Published in Carbon (New York) (01-04-2017)
    “…The work function is important for achieving the desired performance of many electronic devices. Several investigations have been conducted on the…”
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  4. 4

    An activity recoverable carbon nanotube based electrocatalysts: Rapid annealing effects and importance of defects by Chen, Ti, Chen, Jiuting, Waki, Keiko

    Published in Carbon (New York) (01-04-2018)
    “…We investigated a rapid thermal annealing process for the preparation of carbon nanotube based electrocatalysts. The non-nitrogen doped defective carbon…”
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  5. 5

    Boron and Nitrogen Co-doped Graphene Used As Counter Electrode for Iodine Reduction in Dye-Sensitized Solar Cells by Lin, Kuan-Yu, Nguyen, Minh Tho, Waki, Keiko, Jiang, Jyh-Chiang

    Published in Journal of physical chemistry. C (21-11-2018)
    “…A counter electrode (CE), which acts as an efficient catalyst, plays a pivotal role in dye-sensitized solar cells (DSSCs). Graphene doped by heteroatoms has…”
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  6. 6

    Understanding the redox reactions of adjacent carboxyl groups and anhydride groups following citric acid treatment of defect-containing multiwalled carbon nanotubes by Chen, Jiuting, Kobayashi, Fumitaka, Eguchi, Kouya, Waki, Keiko

    Published in Electrochemistry communications (01-06-2018)
    “…Although carbon materials have been widely used in battery applications, the origin of the redox reaction appearing in the important potential region is not…”
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  7. 7

    Electrochemical analysis of dye sensitized solar cell employing indoline-based and ruthenium-based dye combined with volatile and low-volatility solution-based electrolyte by Tao, Runbang, Timuda, Gerald Ensang, Waki, Keiko

    “…In this study, the photovoltaic performances of dye-sensitized solar cells (DSSCs) have been studied for four different configurations involving two dyes…”
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  8. 8

    Electrochemical and structural analysis of Al-doped ZnO nanorod arrays in dye-sensitized solar cells by Tao, Runbang, Tomita, Takahiro, Wong, Raymond Albert, Waki, Keiko

    Published in Journal of power sources (15-09-2012)
    “…Al-doped ZnO nanorod arrays with the Al contents in the region of 0–5% were prepared and evaluated as photoanodes for dye-sensitized solar cells (DSSCs). It…”
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    Critically Examining the Role of Nanocatalysts in Li–O2 Batteries: Viability toward Suppression of Recharge Overpotential, Rechargeability, and Cyclability by Wong, Raymond A, Yang, Chunzhen, Dutta, Arghya, O, Minho, Hong, Misun, Thomas, Morgan L, Yamanaka, Keisuke, Ohta, Toshiaki, Waki, Keiko, Byon, Hye Ryung

    Published in ACS energy letters (09-03-2018)
    “…In lithium–oxygen (Li–O2) batteries, nanocatalysts have been widely employed as a means to suppress the large recharge overpotential and to possibly improve…”
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  11. 11

    MAPbI3 Self‐Recrystallization Induced Performance Improvement for Oxygen‐Containing Functional Groups Decorated Carbon Nanotube‐Based Perovskite Solar Cells by Chen, Jie, Chen, Ti, Xu, Tangliang, Chang, Jia-Yaw, Waki, Keiko

    Published in Solar RRL (01-12-2019)
    “…Perovskite solar cells (PSCs) have attracted a lot of interest because of their high efficiency and low cost. However, in commercial applications, standard…”
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    Oxygen reduction characteristics of bamboo-shaped, multi-walled carbon nanotubes without nitrogen in acid media by Matsubara, Kenji, Waki, Keiko

    Published in Electrochimica acta (01-12-2010)
    “…The oxygen reduction characteristics of bamboo-shaped, multi-walled carbon nanotubes (BCNTs) were compared with those of hollow-shaped, multi-walled carbon…”
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  14. 14

    In Situ Microwave‐Assisted Fabrication of Hierarchically Arranged Metal Sulfide Counter Electrodes to Boost Stability and Efficiency of Quantum Dot‐Sensitized Solar Cells by Tsai, Jia‐Shan, Dehvari, Khalilalrahman, Ho, Wei‐Chuan, Waki, Keiko, Chang, Jia‐Yaw

    Published in Advanced materials interfaces (08-03-2019)
    “…This study describes preparation of metal sulfide counter electrodes (CEs) through one‐pot microwave‐assisted route to improve power conversion efficiency…”
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  15. 15

    Manganese dioxide nanowires on carbon nanofiber frameworks for efficient electrochemical device electrodes by Saito, Y., Meguro, M., Ashizawa, M., Waki, K., Yuksel, R., Unalan, H. E., Matsumoto, H.

    Published in RSC advances (01-01-2017)
    “…Hierarchically nanostructured composite electrodes were prepared by the electrodeposition of manganese dioxide nanowires (MnO 2 NWs) with 5–20 nm diameters on…”
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  16. 16

    MAPbI3 Self‐Recrystallization Induced Performance Improvement for Oxygen‐Containing Functional Groups Decorated Carbon Nanotube‐Based Perovskite Solar Cells by Chen, Jie, Chen, Ti, Xu, Tangliang, Chang, Jia-Yaw, Waki, Keiko

    Published in Solar RRL (01-12-2019)
    “…Self‐Recrystallization In article number 1900302, Keiko Waki and co‐workers discover the ability of functionalized carbon nanotubes to make use of the…”
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    Effect of oxide on carbon deposition behavior of CH4 fuel on Ni/ScSZ cermet anode in high temperature SOFCs by KE, K, GUNJI, A, MORI, H, TSUCHIDA, S, TAKAHASHI, H, UKAI, K, MIZUTANI, Y, SUMI, H, YOKOYAMA, M, WAKI, K

    Published in Solid state ionics (01-02-2006)
    “…This work investigated the effect of oxide in Ni-zirconia cermets on the carbon deposition behavior in internal reforming SOFCs. Within 800-1000 deg C, carbon…”
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