Publications by authors named "Han-Don Um"

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Multiaxial oil-repellent surfaces for self-cleaning of sticky dust and enhanced photovoltaic efficiency.
Mike Jason Koleczko, Yebin Ahn, Jaekyoung Kim, Jihee Kim, Soohyeok Park, Han-Don Um

Nat Commun· December 2025

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Decoding Directional Control in Metal-Assisted Chemical Etching via Catalyst Architecture.
Yejin Han, Jihwan Jeong, Hyein Cho, Yebin Ahn, Soohyeok Park, Han-Don Um

Adv Mater· July 2025

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Biomimetic Conical Microhole Architecture Enabling 18.4%-Efficient Silicon Solar Cells with Superior Durability.
Yebin Ahn, Geonhwi Kim, Soohyeok Park, Sangbeom Hong, Min-Joon Park, Han-Don Um

ACS Nano· July 2025

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Elucidating the roles of oxygen defects-rich TiON shell in Ti-based electrocatalyst for enhanced oxygen reduction reaction.
Xiaohang Zhu, Zongtao Zhao, Jialiu Tang, Xuan Peng, Han-Don Um

Fundam Res· May 2025

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Atomic Ga triggers spatiotemporal coordination of oxygen radicals for efficient water oxidation on crystalline RuO.
Haifeng Wang, Chao Lin, Lei Tan, Jing Shen, Xiaotong Wu, Han-Don Um

Nat Commun· April 2025

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Enhanced Low-Humidity Performance of Polymer Exchange Membrane Fuel Cells via Membrane Surface Engineering.
Mingyu Son, Hyein Cho, Sun-I Kim, Dami Kim, Han-Don Um

ACS Appl Mater Interfaces· December 2024

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Unlocking the Potential of BiS-Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO Reduction to Formate.
Ahyeon Ma, Yongsoon Lee, Dongho Seo, Jiyoon Kim, Soohyeok Park, Han-Don Um

Adv Sci (Weinh)· July 2024

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Steering lithium and potassium storage mechanism in covalent organic frameworks by incorporating transition metal single atoms.
Yingnan Cao, Qing Xu, Yi Sun, Jixin Shi, Yi Xu, Han-Don Um

Proc Natl Acad Sci U S A· March 2024

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Scaling-Up Insights for Zinc-Air Battery Technologies Realizing Reversible Zinc Anodes.
Sambhaji S Shinde, Nayantara K Wagh, Chi Ho Lee, Dong-Hyung Kim, Sung-Hae Kim, Han-Don Um

Adv Mater· November 2023

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Heterointerface promoted trifunctional electrocatalysts for all temperature high-performance rechargeable Zn-air batteries.
Nayantara K Wagh, Dong-Hyung Kim, Chi Ho Lee, Sung-Hae Kim, Han-Don Um

Nanoscale Horiz· June 2023

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Dynamic selection of visible wavelengths using resonant TiO nanostructures.
Han-Don Um, Deokjae Choi, Amit Solanki, Emerald Huang, Kwanyong Seo

Nanophotonics· May 2023

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Supramolecular Polymer Intertwined Free-Standing Bifunctional Membrane Catalysts for All-Temperature Flexible Zn-Air Batteries.
Nayantara K Wagh, Sambhaji S Shinde, Chi Ho Lee, Sung-Hae Kim, Dong-Hyung Kim, Han-Don Um

Nanomicro Lett· September 2022

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Silicon Microwire Arrays with Nanoscale Spacing for Radial Junction c-Si Solar Cells with an Efficiency of 20.5.
Namwoo Kim, Deokjae Choi, Hyungwoo Kim, Han-Don Um, Kwanyong Seo

ACS Nano· September 2021

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Electrostatically Doped Silicon Nanowire Arrays for Multispectral Photodetectors.
Han-Don Um, Amit Solanki, Ashwin Jayaraman, Roy G Gordon, Fawwaz Habbal

ACS Nano· October 2019

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Phosphorescent Energy Downshifting for Diminishing Surface Recombination in Silicon Nanowire Solar Cells.
Hyun-Tak Kim, Kangmin Lee, Wonjoo Jin, Han-Don Um, Minsoo Lee

Sci Rep· November 2018

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Cold Isostatic-Pressured Silver Nanowire Electrodes for Flexible Organic Solar Cells via Room-Temperature Processes.
Ji Hoon Seo, Inchan Hwang, Han-Don Um, Sojeong Lee, Kangmin Lee

Adv Mater· August 2017

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Embedded Metal Electrode for Organic-Inorganic Hybrid Nanowire Solar Cells.
Han-Don Um, Deokjae Choi, Ahreum Choi, Ji Hoon Seo, Kwanyong Seo

ACS Nano· June 2017

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17.6%-Efficient radial junction solar cells using silicon nano/micro hybrid structures.
Kangmin Lee, Inchan Hwang, Namwoo Kim, Deokjae Choi, Han-Don Um

Nanoscale· August 2016

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18.4%-Efficient Heterojunction Si Solar Cells Using Optimized ITO/Top Electrode.
Namwoo Kim, Han-Don Um, Inwoo Choi, Ka-Hyun Kim, Kwanyong Seo

ACS Appl Mater Interfaces· May 2016

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Dopant-Free All-Back-Contact Si Nanohole Solar Cells Using MoOx and LiF Films.
Han-Don Um, Namwoo Kim, Kangmin Lee, Inchan Hwang, Ji Hoon Seo

Nano Lett· February 2016

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Versatile control of metal-assisted chemical etching for vertical silicon microwire arrays and their photovoltaic applications.
Han-Don Um, Namwoo Kim, Kangmin Lee, Inchan Hwang, Ji Hoon Seo

Sci Rep· June 2015

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Incorporation of a self-aligned selective emitter to realize highly efficient (12.8%) Si nanowire solar cells.
Han-Don Um, Kwang-Tae Park, Jin-Young Jung, Xiaopeng Li, Keya Zhou

Nanoscale· May 2014

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Lossless hybridization between photovoltaic and thermoelectric devices.
Kwang-Tae Park, Sun-Mi Shin, Abdullah S Tazebay, Han-Don Um, Jin-Young Jung

Sci Rep· September 2013

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Highly electrocatalytic Cu₂ZnSn(S₁-xSex)₄ counter electrodes for quantum-dot-sensitized solar cells.
Yuebin Cao, Yanjun Xiao, Jin-Young Jung, Han-Don Um, Sang-Won Jee

ACS Appl Mater Interfaces· February 2013

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The tradeoff between plasmonic enhancement and optical loss in silicon nanowire solar cells integrated in a metal back reflector.
Keya Zhou, Zhongyi Guo, Xiaopeng Li, Jin-Young Jung, Sang-Won Jee, Han-Don Um

Opt Express· September 2012

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