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Showing 1–5 of 5 results
Advanced filters: Author: Gyeonghun Kim Clear advanced filters

  • Commodity polymer upcycling methods that transform plastic waste into new functional polymers represent an important approach to reducing the burden of plastic on the environment but functionalization of polymers using ball milling remains challenging. Here, the authors report the Birch reduction of polystyrene, polystyrene derivatives, and several types of polystyrene waste using a ball-mill grinding method.

    • Gyeonghun Kim
    • Byeongyeol Park
    • Gregory I. Peterson
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • The geometrical design of thermoelectric legs in modules is key for sustainable power generation but can be hardly achieved by traditional fabrication process. Here, the authors develop an extrusion-based 3D printing process of Cu2Se thermoelectric materials for efficient power generation.

    • Seungjun Choo
    • Faizan Ejaz
    • Jae Sung Son
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-11

  • Microscale three-dimensional thermoelectric architectures can be fabricated through the direct writing of particle-based thermoelectric inks and used to create microthermoelectric generators that exhibit a power density of 479.0 μW cm–2.

    • Fredrick Kim
    • Seong Eun Yang
    • Jae Sung Son
    Research
    Nature Electronics
    Volume: 4, P: 579-587

  • Wigner molecules, or correlated localized electron states, has been reported in semiconductor quantum dots, but their interaction with environment has been less explored. Here the authors use the spin multiplet structure of a three-electron Wigner molecule to enhance and control dynamic nuclear polarization.

    • Wonjin Jang
    • Jehyun Kim
    • Dohun Kim
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9