Search Results - "Mun, Bongjin Simon"

How Rh surface breaks CO2 molecules under ambient pressure by Kim, Jeongjin, Ha, Hyunwoo, Doh, Won Hui, Ueda, Kohei, Mase, Kazuhiko, Kondoh, Hiroshi, Mun, Bongjin Simon, Kim, Hyun You, Park, Jeong Young

“…Utilization of carbon dioxide (CO 2 ) molecules leads to increased interest in the sustainable synthesis of methane (CH 4 ) or methanol (CH 3 OH). The…”
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Role of joule heating effect and bulk-surface phases in voltage-driven metal-insulator transition in VO2 crystal by Simon Mun, Bongjin, Yoon, Joonseok, Mo, Sung-Kwan, Chen, Kai, Tamura, Nobumichi, Dejoie, Catherine, Kunz, Martin, Liu, Zhi, Park, Changwoo, Moon, Kyungsun, Ju, Honglyoul

“…We report the characteristics of a voltage-induced metal-insulator transition (MIT) in macro-sized VO2 crystals. The square of MIT onset voltage (VCMIT2) value…”
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Impact of vacancy clusters on characteristic resistance change of nonstoichiometric strontium titanate nano-film by Su Kim, Yong, Kim, Jiyeon, Jee Yoon, Moon, Hee Sohn, Chang, Buhm Lee, Shin, Lee, Daesu, Chul Jeon, Byung, Keun Yoo, Hyang, Won Noh, Tae, Bostwick, Aaron, Rotenberg, Eli, Yu, Jaejun, Don Bu, Sang, Simon Mun, Bongjin

“…In practical applications to bipolar resistance switching (BRS) memory devices with enhanced performance and high-scalability, oxide materials are commonly…”
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Operando study of Pd(100) surface during CO oxidation using ambient pressure x-ray photoemission spectroscopy by Yu, Youngseok, Kim, Dongwoo, Lim, Hojoon, Kim, Geonhwa, Koh, Yoobin E., Kim, Daehyun, Ueda, Kohei, Hiwasa, Satoru, Mase, Kazuhiko, Bournel, Fabrice, Gallet, Jean-Jacques, Rochet, François, Crumlin, Ethan J., Ross, Philip N., Kondoh, Hiroshi, Noh, Do Young, Mun, Bongjin Simon

“…The surface chemical states of Pd(100) during CO oxidation were investigated using ambient pressure x-ray photoelectron spectroscopy and mass spectroscopy…”
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Design Principle of Fe–N–C Electrocatalysts: How to Optimize Multimodal Porous Structures? by Lee, Soo Hong, Kim, Jiheon, Chung, Dong Young, Yoo, Ji Mun, Lee, Hyeon Seok, Kim, Min Jeong, Mun, Bongjin Simon, Kwon, Soon Gu, Sung, Yung-Eun, Hyeon, Taeghwan

“…The effect of porous structures on the electrocatalytic activity of N-doped carbon is studied by using electrochemical analysis techniques and the result is…”
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Highly Durable and Active PtFe Nanocatalyst for Electrochemical Oxygen Reduction Reaction by Chung, Dong Young, Jun, Samuel Woojoo, Yoon, Gabin, Kwon, Soon Gu, Shin, Dong Yun, Seo, Pilseon, Yoo, Ji Mun, Shin, Heejong, Chung, Young-Hoon, Kim, Hyunjoong, Mun, Bongjin Simon, Lee, Kug-Seung, Lee, Nam-Suk, Yoo, Sung Jong, Lim, Dong-Hee, Kang, Kisuk, Sung, Yung-Eun, Hyeon, Taeghwan

“…Demand on the practical synthetic approach to the high performance electrocatalyst is rapidly increasing for fuel cell commercialization. Here we present a…”
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Crystallization and bandgap variation of non-stoichiometric amorphous Ga2O3-x thin films during post-annealing process by Lim, Hojoon, Kim, Dongwoo, Yeon Cha, Su, Simon Mun, Bongjin, Young Noh, Do, Chol Kang, Hyon

“…[Display omitted] •The non-stoichiometric amorphous Ga2O3-x thin films are crystallized into a mixture of α and β phases that are epitaxial to the sapphire…”
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In situ analysis of catalytically active Pd surfaces for CO oxidation with near ambient pressure XPS by Kondoh, Hiroshi, Toyoshima, Ryo, Monya, Yuji, Yoshida, Masaaki, Mase, Kazuhiko, Amemiya, Kenta, Mun, Bongjin Simon

“…In situ analysis for CO oxidation on Pd surfaces under near ambient pressure conditions with XPS and mass spectroscopy reveals catalytically active phases…”
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Improved Oxygen Reduction Activity on Pt₃Ni(111) via Increased Surface Site Availability by Stamenkovic, Vojislav R, Fowler, Ben, Mun, Bongjin Simon, Wang, Guofeng, Ross, Philip N, Lucas, Christopher A, Marković, Nenad M

“…The slow rate of the oxygen reduction reaction (ORR) in the polymer electrolyte membrane fuel cell (PEMFC) is the main limitation for automotive applications…”
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Revealing CO2 dissociation pathways at vicinal copper (997) interfaces by Kim, Jeongjin, Yu, Youngseok, Go, Tae Won, Gallet, Jean-Jacques, Bournel, Fabrice, Mun, Bongjin Simon, Park, Jeong Young

“…Size- and shape-tailored copper (Cu) nanocrystals can offer vicinal planes for facile carbon dioxide (CO 2 ) activation. Despite extensive reactivity…”
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On the Origin of Electrocatalytic Oxygen Reduction Reaction on Electrospun Nitrogen–Carbon Species by Shin, Dongyoon, Jeong, Beomgyun, Mun, Bongjin Simon, Jeon, Hongrae, Shin, Hyun-Joon, Baik, Jaiyoon, Lee, Jaeyoung

“…Nitrogen–carbon (N–C) species is a potential electrocatalyst for oxygen reduction reaction (ORR) in electrochemical energy conversion cells, but its…”
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Trends in electrocatalysis on extended and nanoscale Pt-bimetallic alloy surfaces by Stamenkovic, Vojislav R, Markovic, Nenad M, Mun, Bongjin Simon, Arenz, Matthias, Mayrhofer, Karl J. J, Lucas, Christopher A, Wang, Guofeng, Ross, Philip N

“…One of the key objectives in fuel-cell technology is to improve and reduce Pt loading as the oxygen-reduction catalyst. Here, we show a fundamental…”
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Short-range positional order in phase separated indium gallium oxide islands deposited in a reducing atmosphere by Yeon Cha, Su, Choi, Sukjune, Kim, Dongwoo, Seo, Okkyun, Simon Mun, Bongjin, Young Noh, Do, Chol Kang, Hyon

“…[Display omitted] •The spontaneous phase separation occurs in (InxGa1-x)2O3 thin films even at an In content of 0.6 at%.•Non-stoichiometric In-rich…”
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Effect of Surface Composition on Electronic Structure, Stability, and Electrocatalytic Properties of Pt-Transition Metal Alloys:  Pt-Skin versus Pt-Skeleton Surfaces by Stamenkovic, Vojislav R, Mun, Bongjin Simon, Mayrhofer, Karl J. J, Ross, Philip N, Markovic, Nenad M

“…The surface properties of PtM (M = Co, Ni, Fe) polycrystalline alloys are studied by utilizing Auger electron spectroscopy, low energy ion scattering…”
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AP‐XPS beamline, a platform for operando science at Pohang Accelerator Laboratory by Kim, Geonhwa, Yu, Youngseok, Lim, Hojoon, Jeong, Beomgyun, Lee, Jouhahn, Baik, Jaeyoon, Mun, Bongjin Simon, Kim, Ki-jeong

“…Beamline 8A (BL 8A) is an undulator‐based soft X‐ray beamline at Pohang Accelerator Laboratory. This beamline is aimed at high‐resolution ambient‐pressure…”
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Changing the Activity of Electrocatalysts for Oxygen Reduction by Tuning the Surface Electronic Structure by Stamenkovic, Vojislav, Mun, Bongjin Simon, Mayrhofer, Karl J. J., Ross, Philip N., Markovic, Nenad M., Rossmeisl, Jan, Greeley, Jeff, Nørskov, Jens K.

“…Going platinum: The theoretical description of electrocatalytic phenomena is extremely challenging. A simple, density functional theory based model has been…”
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Controlling the Temperature and Speed of the Phase Transition of VO2 Microcrystals by Yoon, Joonseok, Kim, Howon, Chen, Xian, Tamura, Nobumichi, Mun, Bongjin Simon, Park, Changwoo, Ju, Honglyoul

“…We investigated the control of two important parameters of vanadium dioxide (VO2) microcrystals, the phase transition temperature and speed, by varying…”
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Investigation of length-dependent characteristics of the voltage-induced metal insulator transition in VO2 film devices by Yoon, Joonseok, Lee, Giyong, Park, Changwoo, Mun, Bongjin Simon, Ju, Honglyoul

“…The characteristics of the voltage-induced metal insulator transition (MIT) of VO2 film devices are investigated as a function of ambient temperature and…”
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Active Surface Oxygen for Catalytic CO Oxidation on Pd(100) Proceeding under Near Ambient Pressure Conditions by Toyoshima, Ryo, Yoshida, Masaaki, Monya, Yuji, Suzuki, Kazuma, Mun, Bongjin Simon, Amemiya, Kenta, Mase, Kazuhiko, Kondoh, Hiroshi

“…Catalytic CO oxidation reaction on a Pd(100) single-crystal surface under several hundred mTorr pressure conditions has been studied by ambient pressure X-ray…”
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Electron Spectroscopy of Aqueous Solution Interfaces Reveals Surface Enhancement of Halides by Ghosal, Sutapa, Hemminger, John C, Bluhm, Hendrik, Mun, Bongjin Simon, Hebenstreit, Eleonore L. D, Ketteler, Guido, Ogletree, D. Frank, Requejo, Felix G, Salmeron, Miquel

“…It has been suggested that enhanced anion concentrations at the liquid/vapor interface of airborne saline droplets are important to aerosol reactions in the…”
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