Search Results - "Homma, Takayuki"

Effect of lead and tin additives on surface morphology evolution of electrodeposited zinc by Otani, Tomohiro, Fukunaka, Yasuhiro, Homma, Takayuki

“…Effects of Pb and Sn additives on electrodeposition of Zn were investigated for the applications in Zn secondary battery, focused on their roles on…”
Get full text

Analysis of the effect of surface wettability on hydrogen evolution reaction in water electrolysis using micro-patterned electrodes by Fujimura, Tatsuki, Hikima, Wakana, Fukunaka, Yasuhiro, Homma, Takayuki

“…The hydrogen evolution reaction (HER) was investigated using Ni catalytic electrodes with micro-patterned surfaces. The present aim was to correlate HER…”
Get full text

Fabrication of a plasmonic sensor for surface-enhanced Raman spectroscopy using electroless deposition of Ag with hypophosphite by Tu, Zhengke, Kunimoto, Masahiro, Yanagisawa, Masahiro, Homma, Takayuki

“…•A plasmonic sensor fabrication method using electroless deposition is reported.•Peaks ascribed to the reductant are reduced while achieving good SERS…”
Get full text

Surface‐enhanced Raman Spectroscopy for Versatile in situ Measurements of Local pH near Electrode Surface by Ide, Kohei, Kunimoto, Masahiro, Yoshida, Satoru, Yanagisawa, Masahiro, Homma, Takayuki

“…We designed an in situ surface‐enhanced Raman spectroscopy (SERS) system to detect pH change near the electrode surface. An optically transparent substrate…”
Get full text

First-principle study of the oxidation mechanism of formaldehyde and hypophosphite for copper and nickel electroless deposition process by Onabuta, Yusuke, Kunimoto, Masahiro, Nakai, Hiromi, Homma, Takayuki

“…To determine the origin of the difference between reducing agents’ reactivity for electroless deposition processes from the viewpoint of the molecular-level…”
Get full text

Morphological evolution of mossy structures during the electrodeposition of zinc from an alkaline zincate solution by Otani, Tomohiro, Nagata, Masato, Fukunaka, Yasuhiro, Homma, Takayuki

“…•Initiation and propagation of mossy structures were investigated.•Mossy structures transiently formed from layer-like deposits by protrusion…”
Get full text

Analysis of the behavior of Zn atoms with a Pb additive on the surface during Zn electrodeposition by Onabuta, Yusuke, Kunimoto, Masahiro, Ono, Fumimasa, Fukunaka, Yasuhiro, Nakai, Hiromi, Zangari, Giovanni, Homma, Takayuki

“…•The 3D crystal structures of Zn electrodeposits with Pb were characterized.•XRD and DFT calculations indicated Pb(111) layers on the Zn surface.•The lower…”
Get full text

Multiscale Simulation of Irregular Shape Evolution during the Initial Stage of Zn Electrodeposition on a Negative Electrode Surface by Onabuta, Yusuke, Kunimoto, Masahiro, Wang, Songyi, Fukunaka, Yasuhiro, Nakai, Hiromi, Homma, Takayuki

“…Zn is a promising anode material for next-generation large-scale energy storage devices. However, irregular shape evolution on its surface during cycling…”
Get full text

Direct observation of the diffusion behavior of an electrodeposition additive in through-silicon via using in situ surface enhanced Raman spectroscopy by Homma, Takayuki, Kato, Akira, Kunimoto, Masahiro, Yanagisawa, Masahiro

“…In this work, the behavior of an additive designed to aid electrodeposition in through-silicon via (TSV) structures is monitored directly using surface…”
Get full text

Depth profiling of APTES self-assembled monolayers using surface-enhanced confocal Raman microspectroscopy by Sun, Yingying, Yanagisawa, Masahiro, Kunimoto, Masahiro, Nakamura, Masatoshi, Homma, Takayuki

“…The internal structure of self-assembled monolayers (SAMs) such as 3-aminopropyltriethoxysilane (APTES) fabricated on a glass substrate is difficult to…”
Get full text

Surface pH Effects on Catalytic Behavior of Pyridinic Nitrogen on Nitrogen-doped Carbon Nanotube in CO2 Electrochemical Reduction by IDE, Kohei, KUNIMOTO, Masahiro, MIYOSHI, Kota, TAKANO, Kaori, MATSUOKA, Koji, HOMMA, Takayuki

“…Nitrogen-doped carbon nanotubes (NCNTs) have been considered a promising catalyst for the electrochemical reduction of CO2 (CO2ER) to generate CO. Although…”
Get full text

Fabrication of Superhydrophobic Nanostructures on Glass Surfaces Using Hydrogen Fluoride Gas by Yasuda, Kohei, Hayashi, Yasuo, Homma, Takayuki

“…Water-repellent glass surfaces have become increasingly important to ensure clear visibility in outdoor cameras, sensors, and automotive windows. In this…”
Get full text

Structural control of ultra-fine CoPt nanodot arrays via electrodeposition process by Wodarz, Siggi, Hasegawa, Takashi, Ishio, Shunji, Homma, Takayuki

“…CoPt nanodot arrays were fabricated by combining electrodeposition and electron beam lithography (EBL) for the use of bit-patterned media (BPM). To achieve…”
Get full text

Effect of Li+ addition on growth behavior of ZnO during anodic dissolution of Zn negative electrode by Otani, Tomohiro, Yasuda, Tetsuya, Kunimoto, Masahiro, Yanagisawa, Masahiro, Fukunaka, Yasuhiro, Homma, Takayuki

“…Discharge behavior of the Zn negative electrode was investigated to elucidate the effects of Li+ as an additive in Zn batteries. Li+ influenced the dissolution…”
Get full text

Surface enhanced Raman spectroscopy measurement of surface pH at the electrode during Ni electrodeposition reaction by Homma, Takayuki, Kunimoto, Masahiro, Sasaki, Moe, Hanai, Tomoya, Yanagisawa, Masahiro

“…In this work, we developed a precise approach to analyze local proton concentration at the solid/liquid interface of electrodes, i.e. “surface pH”, during…”
Get full text

Mammalian synthetic biology: emerging medical applications by Kis, Zoltán, Pereira, Hugo Sant'Ana, Homma, Takayuki, Pedrigi, Ryan M., Krams, Rob

“…In this review, we discuss new emerging medical applications of the rapidly evolving field of mammalian synthetic biology. We start with simple mammalian…”
Get full text

Direct Formation of Metal Layer on Anion Exchange Membrane Using Electroless Deposition Process by FUJIMURA, Tatsuki, KUNIMOTO, Masahiro, FUKUNAKA, Yasuhiro, ITO, Hiroshi, HOMMA, Takayuki

“…In this work, a novel electroless deposition process on the anion exchange membrane (AEM) is proposed. AEM surface has a positively charged functional group,…”
Get full text

Formation of Si thin films by electrodeposition in ionic liquids for solar cell applications by Tsuyuki, Yasuhiro, Takai, Hidenori, Fukunaka, Yasuhiro, Homma, Takayuki

“…Electrochemical processing can potentially be used for the cost-effective and large-scale fabrication of solar cells based on nanostructured Si thin films…”
Get full text

High purity silicon materials prepared through wet-chemical and electrochemical approaches by Homma, Takayuki, Matsuo, Nobufumi, Yang, Xiao, Yasuda, Kouji, Fukunaka, Yasuhiro, Nohira, Toshiyuki

“…A new approach to produce high purity solar grade silicon (SOG-Si) using wet-chemical and electrochemical processes was proposed. First, diatomaceous earth was…”
Get full text

Analysis and Control of the Initial Electrodeposition Stages of Co-Pt Nanodot Arrays by Wodarz, Siggi, Abe, Junya, Homma, Takayuki

“…•Initial electrodeposition of Co-Pt nanodot arrays was investigated.•Deposition uniformity and magnetic properties were controlled.•A single grain of Co-Pt was…”
Get full text