Search Results - "Umeno, M"

Efficient Solar Water Splitting, Exemplified by RuO2-Catalyzed AlGaAs/Si Photoelectrolysis by Licht, S, Wang, B, Mukerji, S, Soga, T, Umeno, M, Tributsch, H

“…Contemporary models are shown to significantly underestimate the attainable efficiency of solar energy conversion to water splitting, and experimentally a cell…”
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Spatial Processing in the Monkey Frontal Eye Field. I. Predictive Visual Responses by Umeno, Marc M, Goldberg, Michael E

“…Marc M. Umeno 1 , 3 and Michael E. Goldberg 1 , 2 1  Laboratory of Sensorimotor Research, National Eye Institute, Bethesda, Maryland 20892; 2  Department of…”
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Application of metal nanoparticles decorated carbon nanotubes in photovoltaics by Somani, Prakash R., Somani, Savita P., Umeno, M.

“…Carbon nanotubes decorated with metal nanoparticles are introduced to photovoltaic application. The introduction of metal nanoparticles in the…”
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Spatial Processing in the Monkey Frontal Eye Field. II. Memory Responses by Umeno, Marc M, Goldberg, Michael E

“…  1 Laboratory of Sensorimotor Research, National Eye Institute, Bethesda, Maryland 20892;   2 Department of Physics, The American University, Washington…”
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Improving photovoltaic response of poly(3-hexylthiophene)/ n - Si heterojunction by incorporating double walled carbon nanotubes by Somani, Savita P., Somani, Prakash R., Umeno, M., Flahaut, E.

“…Poly(3-hexylthiophene)/ n - Si heterojunction solar cells were studied with and without incorporation of double walled carbon nanotubes (DWCNs) in the polymer…”
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Carbon nanotubes by spray pyrolysis of turpentine oil at different temperatures and their studies by Afre, Rakesh A., Soga, T., Jimbo, T., Kumar, Mukul, Ando, Y., Sharon, M., Somani, Prakash R., Umeno, M.

“…The carbon nanotubes (CNTs) synthesized by simple method of spray pyrolysis and their characteristics were investigated. Turpentine oil: a plant based…”
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Over 18% solar energy conversion to generation of hydrogen fuel; theory and experiment for efficient solar water splitting by Licht, S, Wang, B, Mukerji, S, Soga, T, Umeno, M, Tributsch, H

“…Contemporary models are shown to significantly underestimate the attainable efficiency of solar energy conversion to water splitting, and experimentally a cell…”
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Carbon nanotube incorporation: A new route to improve the performance of organic–inorganic heterojunction solar cells by Somani, Savita P., Somani, Prakash R., Umeno, M.

“…Incorporation of oxidized camphoric multi-walled carbon nanotubes (MWCNs) in the polymer layer of regioregular poly(3-octylthiophene)/n-Si heterojunction solar…”
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Platinum and Ruthenium nanoparticles decorated multi walled carbon nanotubes as electrodes for polymer electrolyte membrane fuel cells by Somani, Savita P., Somani, Prakash R., Sato, A., Umeno, M.

“…Multi wall carbon nanotubes were decorated with Platinum (MWCN-Pt) and Ruthenium (MWCN-Ru) nanoparticles. These catalytic metal nanoparticles were grown…”
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Coating of DLC film by pulsed discharge plasma CVD by Noda, M., Umeno, M.

“…Diamond-like carbon (DLC) films were deposited onto Ti plate substrate by means of pulsed discharge (PD) plasma chemical vapor deposition (CVD) from gas…”
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Optical properties of wurtzite structure GaN on sapphire around fundamental absorption edge (0.78–4.77 eV) by spectroscopic ellipsometry and the optical transmission method by Yu, G., Wang, G., Ishikawa, H., Umeno, M., Soga, T., Egawa, T., Watanabe, J., Jimbo, T.

“…Spectroscopic ellipsometry (SE) together with the optical transmission method is successfully used to determine the refractive index n and absorption…”
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Photoconductivity of DLC film deposited by pulsed discharge plasma CVD by Kawai, S., Shinagawa, T., Noda, M., Umeno, M.

“…DLC films were deposited by a new pulsed DC discharge plasma chemical vapour deposition (CVD) using hydrogen and methane gas mixture. When methane…”
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Deposition of DLC film from adamantane by using pulsed discharge plasma CVD by Umeno, M., Noda, M., Uchida, H., Takeuchi, H.

“…Diamond like carbon films are deposited on silicon and quartz substrates using adamantane as a sole source of carbon by pulsed discharge plasma chemical vapor…”
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Optical properties and X-ray photoelectron spectroscopic study of pure and Pb-doped TiO2 thin films by RAHMAN, M. M, KRISHNA, K. M, SOGA, T, JIMBO, T, UMENO, M

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Microstructure and optical band gap control of DLC film deposited by pulsed discharge plasma CVD by Noda, M., Shinagawa, T., Kawai, S., Umeno, M.

“…DLC films were deposited on silicon and quartz glass substrates by pulsed discharge plasma chemical vapor deposition (CVD), where the plasma was generated by…”
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Improved characteristics of InGaN multiple-quantum-well light-emitting diode by GaN/AlGaN distributed Bragg reflector grown on sapphire by Nakada, N., Nakaji, M., Ishikawa, H., Egawa, T., Umeno, M., Jimbo, T.

“…An InGaN multiple-quantum-well light-emitting diode (LED) containing a GaN/AlGaN distributed Bragg reflector has been grown on a sapphire substrate by…”
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Investigations of SiO2/n-GaN and Si3N4/n-GaN insulator–semiconductor interfaces with low interface state density by Arulkumaran, S., Egawa, T., Ishikawa, H., Jimbo, T., Umeno, M.

“…The electrical properties of electron beam (EB) evaporated silicon dioxide (SiO2)/n-GaN, plasma enhanced chemical vapor deposited (PECVD) SiO2/n-GaN, and PECVD…”
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Photovoltaic properties of n-C:P/p-Si cells deposited by XeCl eximer laser using graphite target by Rusop, Mohamad, Mominuzzaman, Shariff M., Soga, Tetsuo, Jimbo, Takashi, Umeno, M.

“…This paper reports on the successful deposition of phosphorous (P)-doped n-type (p-C:P) carbon (C) films, and fabrication of n-C:P/p-Si cells by pulsed laser…”
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Structural and optical properties of diamond and nano-diamond films grown by microwave plasma chemical vapor deposition by Sharda, T., Rahaman, M.M., Nukaya, Y., Soga, T., Jimbo, T., Umeno, M.

“…We compare structural and optical properties of microcrystalline and nanocrystalline diamond (MCD and NCD, respectively) films grown on mirror polished Si(100)…”
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Recessed gate AlGaN/GaN modulation-doped field-effect transistors on sapphire by Egawa, T., Ishikawa, H., Umeno, M., Jimbo, T.

“…A recessed gate AlGaN/GaN modulation-doped field-effect transistor (MODFET) has been grown on a sapphire substrate by metalorganic chemical vapor deposition…”
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