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Yoshitaka Okada

Yoshitaka Okada

D-Index & Metrics

Engineering and Technology

D-Index
41
Citations
7701
World Ranking
6895
National Ranking
141

Overview

Yoshitaka Okada is affiliated with the University of Tokyo in Japan. Their research work spans multiple fields of study including Engineering, Materials Science, and Physics and Astronomy, with a significant focus on Electrical and Electronic Engineering, Materials Chemistry, and Atomic and Molecular Physics, and Optics. The scientist's work also extends to Biomedical Engineering and Renewable Energy, Sustainability, and the Environment as subfields.

Okada's research topics prominently include Quantum Dots Synthesis and Properties, Semiconductor Quantum Structures and Devices, and Chalcogenide Semiconductor Thin Films. Additional topics they cover involve solar cell performance optimization, Nanowire Synthesis and Applications, Copper-based nanomaterials and applications, and Perovskite Materials and Applications.

Frequent publication venues for Okada include the Journal of Applied Physics, Journal of Photonics for Energy, SSRN Electronic Journal, Japanese Journal of Applied Physics, and Progress in Photovoltaics Research and Applications.

Co-authorship collaborations feature several recurring colleagues, among them Naoya Miyashita, Nazmul Ahsan, T. Logu, Yusuke Oteki, and S. Kalainathan.

Representative recent papers published by Okada are:

  • "Binary and ternary metal oxide semiconductor thin films for effective gas sensing applications: A comprehensive review and future prospects" (2023), in Progress in Materials Science
  • "A review on advancements, challenges, and prospective of copper and non-copper based thin-film solar cells using facile spray pyrolysis technique" (2022), in Solar Energy
  • "Enhanced Hot-Phonon Bottleneck Effect on Slowing Hot Carrier Cooling in Metal Halide Perovskite Quantum Dots with Alloyed A-Site" (2023), in Advanced Materials
  • "Theoretical and experimental assessment of thinned germanium substrates for III-V multijunction solar cells" (2020), in Progress in Photovoltaics Research and Applications
  • "Engineering of sub-band in CuGaS2 thin films via Mo doping by chemical spray pyrolysis route" (2020), in Thin Solid Films

Best Publications

  • Intermediate band solar cells: Recent progress and future directions

    Y. Okada;N. J. Ekins-Daukes;T. Kita;R. Tamaki

  • Strain-compensated InAs/GaNAs quantum dots for use in high-efficiency solar cells

    Ryuji Oshima;Ayami Takata;Yoshitaka Okada

  • Increase in photocurrent by optical transitions via intermediate quantum states in direct-doped InAs/GaNAs strain-compensated quantum dot solar cell

    Yoshitaka Okada;Takayuki Morioka;Katsuhisa Yoshida;Ryuji Oshima

  • Optical spectra in (La,Y)TiO3: Variation of Mott-Hubbard gap features with change of electron correlation and band filling.

    Y. Okimoto;T. Katsufuji;Y. Okada;T. Arima

  • Material challenges for solar cells in the twenty-first century: directions in emerging technologies

    Samy Almosni;Amaury Delamarre;Zacharie Jehl;Daniel Suchet

  • Novel materials for high-efficiency III-V multi-junction solar cells

    Masafumi Yamaguchi;Ken-Ichi Nishimura;Takuo Sasaki;Hidetoshi Suzuki

  • Characteristics of InAs/GaNAs strain-compensated quantum dot solar cell

    Yoshitaka Okada;Ryuji Oshima;Ayami Takata

  • Fabrication of ultra-high density InAs-stacked quantum dots by strain-controlled growth on InP(3 1 1)B substrate

    Kouichi Akahane;Naoki Ohtani;Yoshitaka Okada;Mitsuo Kawabe

  • Does a magnetic barrier or a magnetic-electric barrier structure possess any spin polarization and spin filtering under zero bias?

    H. Z. Xu;Y. Okada

  • Two-photon excitation in an intermediate band solar cell structure

    Nazmul Ahsan;Naoya Miyashita;Muhammad Monirul Islam;Kin Man Yu

  • Intermediate-band dynamics of quantum dots solar cell in concentrator photovoltaic modules

    Tomah Sogabe;Yasushi Shoji;Mitsuyoshi Ohba;Katsuhisa Yoshida

  • Furnace grown gate oxynitride using nitric oxide (NO)

    Y. Okada;P.J. Tobin;K.G. Reid;R.I. Hegde

  • Roadmap on optical energy conversion

    Svetlana V. Boriskina;Martin A. Green;Kylie Catchpole;Eli Yablonovitch;Eli Yablonovitch

  • Breath-hold T2-weighted MRI of hepatic tumors: value of echo planar imaging with diffusion-sensitizing gradient.

    Yoshitaka Okada;Kuni Ohtomo;Shigeru Kiryu;Yasuhito Sasaki

  • Solution-processed intermediate-band solar cells with lead sulfide quantum dots and lead halide perovskites.

    Hiroji Hosokawa;Ryo Tamaki;Takuya Sawada;Akinori Okonogi

  • Highly packed InGaAs quantum dots on GaAs(311)B

    Kouichi Akahane;Takahiro Kawamura;Kenji Okino;Hiromichi Koyama

  • Probing subpicosecond dynamics using pulsed laser combined scanning tunneling microscopy

    Osamu Takeuchi;Masahiro Aoyama;Ryuji Oshima;Yoshitaka Okada

  • Segmental intensity differences in the liver on MR images: a sign of intrahepatic portal flow stoppage.

    Y Itai;K Ohtomo;T Kokubo;Y Okada

  • Absorption threshold extended to 1.15eV using InGaAs/GaAsP quantum wells for over-50%-efficient lattice-matched quad-junction solar cells

    Kasidit Toprasertpong;Hiromasa Fujii;Tomos Thomas;Markus Führer

  • Intermediate band solar cell with extreme broadband spectrum quantum efficiency.

    A. Datas;E. López;I. Ramiro;E. Antolín

  • Self-organized InGaAs/GaAs quantum dot arrays for use in high-efficiency intermediate-band solar cells

    Yasushi Shoji;Yasushi Shoji;Katsuhiro Akimoto;Yoshitaka Okada

Frequent Co-Authors

Jean-François Guillemoles
Jean-François Guillemoles Centre national de la recherche scientifique, CNRS
Yoshiaki Nakano
Yoshiaki Nakano University of Tokyo
Stéphane Collin
Stéphane Collin Centre national de la recherche scientifique, CNRS
Kuni Ohtomo
Kuni Ohtomo University of Tokyo
Kenjiro Miyano
Kenjiro Miyano National Institute for Materials Science
James S. Harris
James S. Harris Stanford University
Seiji Samukawa
Seiji Samukawa Tohoku University
Antonio Luque
Antonio Luque Technical University of Madrid
Antonio Martí
Antonio Martí Technical University of Madrid
Ichiro Yamashita
Ichiro Yamashita Osaka University

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