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Showing 1–9 of 9 results
Advanced filters: Author: Taemin Choi Clear advanced filters

  • Designing an efficient platform that enables verbal communication without vocalization remains a challenge. Here, the authors propose a silent speech interface by utilizing a deep learning algorithm combined with strain sensors attached near the subject’s mouth, able to collect 100 words and classify at a high accuracy rate.

    • Taemin Kim
    • Yejee Shin
    • Ki Jun Yu
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-12

  • CO2 reduction rate shows a strong dependence on alkali metal cation identity but a unified molecular picture for underlying mechanism requires further investigation. Using advanced molecular simulations and experimental kinetic studies, here the authors establish a unified mechanism for cation-coupled electron transfer.

    • Seung-Jae Shin
    • Hansol Choi
    • Chang Hyuck Choi
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Reconstruction of Cu catalysts under electrochemical CO2 reduction conditions is a well-reported phenomenon. Here the reconstruction of bimetallic Cu–X catalysts is investigated to reveal the roles of atomic miscibility and intermediate binding on surface reconstruction and the resulting effects on product selectivity.

    • Intae Kim
    • Gi-Baek Lee
    • Dae-Hyun Nam
    Research
    Nature Catalysis
    Volume: 8, P: 697-713

  • Efficiently producing multicarbon chemicals through electrochemical CO2 reduction is essential for achieving economically feasible carbon neutrality. Here, the authors present molecularly enhanced CO2-to-*CO conversion and *CO dimerization for high-rate ethylene production by nanoconfinement of ascorbic acid.

    • Jongyoun Kim
    • Taemin Lee
    • Dae-Hyun Nam
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-13

  • We report full-colour, vertically stacked µLEDs that achieve exceptionally high array density (5,100 pixels per inch) and small size (4 µm) via a 2D material-based layer transfer technique, allowing the creation of full-colour µLED displays for augmented and virtual reality.

    • Jiho Shin
    • Hyunseok Kim
    • Jeehwan Kim
    Research
    Nature
    Volume: 614, P: 81-87

  • Inspired by the rolling mechanism of the proboscis of a butterfly, a rollable electronics which can be rolled and unrolled on demand is developed. The rollable platform provides sufficient force which grips onto the entire target surface without destroying the target. Micro bio-objects are gripped by using the rollable platform and their tiny motions are successfully detected with the sensor on the platform. Furthermore, detecting pulse wave signals of the swine is successfully conducted by rolling up the rollable system around the blood vessel of swine, which result proves the feasibility of rollable platform as a biomedical device.

    • Gunhee Lee
    • Yong Whan Choi
    • Mansoo Choi
    ResearchOpen Access
    NPG Asia Materials
    Volume: 11, P: 1-10