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  1. No Access

    Article

    Valley-centre tandem perovskite light-emitting diodes

    Perovskite light-emitting diodes (PeLEDs) have emerged as a promising new light source for displays. The development roadmap for commercializing PeLEDs should include a tandem device structure, specifically by...

    Hyeon-Dong Lee, Seung-Je Woo, Sung** Kim, Junho Kim, Huanyu Zhou in Nature Nanotechnology (2024)

  2. Article

    Open Access

    Semi-empirical approach to assess externally-induced photoluminescence linewidth broadening of halide perovskite nanocrystals with particle-size distribution

    Colloidal nanocrystals (NCs) can be used to prepare high-color-purity metal halide perovskites (MHPs) for light-emitting displays. However, the NCs have a finite particle-size distribution, which broadens the ...

    Hyun Myung Jang, Song Hee Lee, Kyung Yeon Jang, **woo Park in Communications Physics (2023)

  3. No Access

    Article

    A sutureless bioelectronic patch for electrocardiography

    An adhesive bioelectronic patch that can conform to irregular curvilinear surfaces can be used in vivo to stimulate the heart and record electrocardiograms of freely moving rats.

    Dae-Gyo Seo, Tae-Woo Lee in Nature Electronics (2023)

  4. Article

    Open Access

    Bright and stable near-infrared perovskite light emitters supported by multifunctional molecule design strategy

    Perovskite light emitters can realize bright, stable and efficient light-emitting diodes through a molecular design strategy that enables strong endurance on high-current operation.

    Joo Sung Kim, Tae-Woo Lee in Light: Science & Applications (2023)

  5. No Access

    Article

    Polymeric gate insulators to induce synaptic photoresponse of organic transistors

    Photonic synapses have attracted increasing interest owing to their ultrafast signal transmission, high bandwidth, and low energy consumption. Dielectrics in organic photonic synaptic transistors (OPSTs) affec...

    Gyu-Min Ko, Yu Gyeong Kang, Ui-Chan Jeong in Journal of the Korean Physical Society (2023)

  6. No Access

    Article

    A low-power stretchable neuromorphic nerve with proprioceptive feedback

    By relaying neural signals from the motor cortex to muscles, devices for neurorehabilitation can enhance the movement of limbs in which nerves have been damaged as a consequence of injuries affecting the spina...

    Yeongjun Lee, Yuxin Liu, Dae-Gyo Seo, ** Young Oh in Nature Biomedical Engineering (2023)

  7. No Access

    Article

    Ultra-bright, efficient and stable perovskite light-emitting diodes

    Metal halide perovskites are attracting a lot of attention as next-generation light-emitting materials owing to their excellent emission properties, with narrow band emission14. However, perovskite light-emittin...

    Joo Sung Kim, Jung-Min Heo, Gyeong-Su Park, Seung-Je Woo, Changsoon Cho in Nature (2022)

  8. Article

    Author Correction: A roadmap for the commercialization of perovskite light emitters

    Tae-Hee Han, Kyung Yeon Jang, Yitong Dong, Richard H. Friend in Nature Reviews Materials (2022)

  9. No Access

    Article

    A roadmap for the commercialization of perovskite light emitters

    Metal halide perovskites (MHPs) possess advantageous optoelectronic properties, so perovskite emitters and perovskite light-emitting diodes (PeLEDs) are promising candidates for next-generation high-colour-pur...

    Tae-Hee Han, Kyung Yeon Jang, Yitong Dong, Richard H. Friend in Nature Reviews Materials (2022)

  10. Article

    Author Correction: A low-power stretchable neuromorphic nerve with proprioceptive feedback

    Yeongjun Lee, Yuxin Liu, Dae-Gyo Seo, ** Young Oh in Nature Biomedical Engineering (2022)

  11. Article

    Open Access

    Mechanochemistry-driven engineering of 0D/3D heterostructure for designing highly luminescent Cs–Pb–Br perovskites

    Embedding metal-halide perovskite particles within an insulating host matrix has proven to be an effective strategy for revealing the outstanding luminescence properties of perovskites as an emerging class of ...

    Kyeong-Yoon Baek, Woocheol Lee, Jonghoon Lee, Jaeyoung Kim in Nature Communications (2022)

  12. No Access

    Article

    Exploiting the full advantages of colloidal perovskite nanocrystals for large-area efficient light-emitting diodes

    Cost-effective, high-throughput industrial applications of metal halide perovskites in large-area displays are hampered by the fundamental difficulty of controlling the process of polycrystalline film formatio...

    Young-Hoon Kim, **woo Park, Sung** Kim, Joo Sung Kim in Nature Nanotechnology (2022)

  13. Article

    Open Access

    Electroplated core–shell nanowire network electrodes for highly efficient organic light-emitting diodes

    In this study, we performed metal (Ag, Ni, Cu, or Pd) electroplating of core–shell metallic Ag nanowire (AgNW) networks intended for use as the anode electrode in organic light-emitting diodes (OLEDs) to modif...

    Hyungseok Kang, Joo Sung Kim, Seok-Ryul Choi, Young-Hoon Kim in Nano Convergence (2022)

  14. No Access

    Article

    Characterization of stability and challenges to improve lifetime in perovskite LEDs

    Low stability of perovskite light-emitting diodes (PeLEDs) is the biggest obstacle to the commercialization of PeLED displays. Here, we cover the current status and challenges in analysing and improving the st...

    Seung-Je Woo, Joo Sung Kim, Tae-Woo Lee in Nature Photonics (2021)

  15. No Access

    Article

    Organic synaptic transistors for flexible and stretchable artificial sensory nerves

    This article reviews artificial nerve electronics (nervetronics), an emerging field in which the goal is to develop bioinspired electronics that implement biological sensory functions. An artificial synapse is...

    Dae-Gyo Seo, Gyeong-Tak Go, Hea-Lim Park, Tae-Woo Lee in MRS Bulletin (2021)

  16. Article

    Open Access

    Author Correction: Controllable deposition of organic metal halide perovskite films with wafer-scale uniformity by single source flash evaporation

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    Woocheol Lee, Jonghoon Lee, Hyeon-Dong Lee, Junwoo Kim, Heebeom Ahn in Scientific Reports (2021)

  17. No Access

    Article

    Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes

    Electroluminescence efficiencies of metal halide perovskite nanocrystals (PNCs) are limited by a lack of material strategies that can both suppress the formation of defects and enhance the charge carrier confi...

    Young-Hoon Kim, Sung** Kim, Arvin Kakekhani, **woo Park in Nature Photonics (2021)

  18. Article

    Open Access

    Controllable deposition of organic metal halide perovskite films with wafer-scale uniformity by single source flash evaporation

    Conventional solution-processing techniques such as the spin-coating method have been used successfully to reveal excellent properties of organic–inorganic halide perovskites (OHPs) for optoelectronic devices ...

    Woocheol Lee, Jonghoon Lee, Hyeon-Dong Lee, Junwoo Kim, Heebeom Ahn in Scientific Reports (2020)

  19. Article

    Open Access

    Association between urinary polycyclic aromatic hydrocarbons and hypertension in the Korean population: data from the Second Korean National Environmental Health Survey (2012–2014)

    Polycyclic aromatic hydrocarbons (PAHs) are environmental and occupational pollutants derived from incomplete combustion of organic materials, including wood and fossil fuels. Epidemiological studies have eval...

    Tae-Woo Lee, Dae Hwan Kim, Ji Young Ryu in Scientific Reports (2020)

  20. Article

    Open Access

    Aromatic nonpolar organogels for efficient and stable perovskite green emitters

    Existing gels are mostly polar, whose nature limits their role in soft devices. The intermolecular interactions of nonpolar polymer-liquid system are typically weak, which makes the gel brittle. Here we report...

    Jae-Man Park, **woo Park, Young-Hoon Kim, Huanyu Zhou in Nature Communications (2020)

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