Yoshitaka Okada

6.6k total citations
341 papers, 4.8k citations indexed

About

Yoshitaka Okada is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Materials Chemistry. According to data from OpenAlex, Yoshitaka Okada has authored 341 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 269 papers in Atomic and Molecular Physics, and Optics, 258 papers in Electrical and Electronic Engineering and 130 papers in Materials Chemistry. Recurrent topics in Yoshitaka Okada's work include Semiconductor Quantum Structures and Devices (247 papers), Quantum Dots Synthesis And Properties (99 papers) and solar cell performance optimization (96 papers). Yoshitaka Okada is often cited by papers focused on Semiconductor Quantum Structures and Devices (247 papers), Quantum Dots Synthesis And Properties (99 papers) and solar cell performance optimization (96 papers). Yoshitaka Okada collaborates with scholars based in Japan, United States and United Kingdom. Yoshitaka Okada's co-authors include Mitsuo Kawabe, Ryuji Oshima, Yasushi Shoji, Ayami Takata, Nazmul Ahsan, Naoya Miyashita, Ryo Tamaki, Katsuhisa Yoshida, Tomah Sogabe and Kouichi Akahane and has published in prestigious journals such as Physical Review Letters, Advanced Materials and Nature Communications.

In The Last Decade

Yoshitaka Okada

327 papers receiving 4.7k citations

Peers

Yoshitaka Okada

EEE

AMPO

CMP

Soon Fatt Yoon Singapore

Giovanni Isella Italy

J. E. M. Haverkort Netherlands

P. Zaumseil Germany

G. Bauer Austria

Guillaume Cassabois France

Shigeaki Zaima Japan

Baolai Liang United States

Matty Caymax Belgium

G. É. Cirlin Russia

Soon Fatt Yoon Singapore

Yoshitaka Okada

2.2k ×0.6

EEE

1.9k ×0.6

AMPO

1.0k ×0.4

677 ×0.6

556 ×0.9

CMP

Citations per year, relative to Yoshitaka Okada Yoshitaka Okada (= 1×) peers Soon Fatt Yoon

Countries citing papers authored by Yoshitaka Okada

Since Specialization

Citations

This map shows the geographic impact of Yoshitaka Okada's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Yoshitaka Okada with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Yoshitaka Okada more than expected).

Fields of papers citing papers by Yoshitaka Okada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Yoshitaka Okada. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Yoshitaka Okada. The network helps show where Yoshitaka Okada may publish in the future.

Co-authorship network of co-authors of Yoshitaka Okada

This figure shows the co-authorship network connecting the top 25 collaborators of Yoshitaka Okada. A scholar is included among the top collaborators of Yoshitaka Okada based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Yoshitaka Okada. Yoshitaka Okada is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Tamaki, Ryo, Yoichiro Neo, Yosuke Shimura, et al.. (2024). Synthesis, structural and luminescence properties of MgO, Mg2SiO4 and MgO/Mg2SiO4 nanostructures. Journal of the Ceramic Society of Japan. 132(4). 160–168.

Logu, T., et al.. (2023). Hierarchically structured sub-bands in chalcopyrite thin-film solar cell devices. New Journal of Chemistry. 47(48). 22456–22468. 6 indexed citations

Yamashita, Tatsuya, Hirofumi Matsuda, T. Logu, et al.. (2023). Heme protein identified from scaly-foot gastropod can synthesize pyrite (FeS2) nanoparticles. Acta Biomaterialia. 162. 110–119. 3 indexed citations

Tamaki, Ryo, et al.. (2022). Electrical passivation of III-V multijunction solar cells with luminescent coupling effect. Solar Energy Materials and Solar Cells. 249. 112045–112045. 10 indexed citations

Wang, Haibin, Shoichiro Nakao, Naoya Miyashita, et al.. (2022). Spectral Splitting Solar Cells Constructed with InGaP/GaAs Two-Junction Subcells and Infrared PbS Quantum Dot/ZnO Nanowire Subcells. ACS Energy Letters. 7(8). 2477–2485. 14 indexed citations

Giteau, Maxime, Nazmul Ahsan, Naoya Miyashita, et al.. (2022). Co-deposition of MoS ₂ films by reactive sputtering and formation of tree-like structures. Nanotechnology. 33(34). 345708–345708. 1 indexed citations

Zhu, Yaxing, Shigeo Asahi, Naoya Miyashita, Yoshitaka Okada, & Takashi Kita. (2021). Two-photon photocurrent spectra of InAs quantum dot-in-well intermediated-band solar cells at room temperature. Journal of Applied Physics. 130(12). 1 indexed citations

Zhu, Yaxing, et al.. (2021). Two-step excitation induced photovoltaic properties in an InAs quantum dot-in-well intermediate-band solar cell. Journal of Applied Physics. 129(7). 4 indexed citations

Wang, Haibin, et al.. (2020). Application of perovskite quantum dots in carrier redistribution in III-V multijunction solar cells with luminescent coupling effect. Journal of Photonics for Energy. 10(4).

10.

Nakamura, Tetsuya, Mitsuru Imaizumi, Hidefumi Akiyama, & Yoshitaka Okada. (2020). Practical target values of Shockley–Read–Hall recombination rates in state‐of‐the‐art triple‐junction solar cells for realizing conversion efficiencies within 1% of the internal radiative limit. Progress in Photovoltaics Research and Applications. 28(5). 417–424. 4 indexed citations

11.

Tamaki, Ryo, et al.. (2019). Synthesis, structural and photoluminescence properties of Mg ₂ Si/Si nanocomposites consisting of Si nanosheet bundles and Mg ₂ Si deposits. Japanese Journal of Applied Physics. 58(SB). SBBK04–SBBK04. 6 indexed citations

12.

Behaghel, Benoît, Ryo Tamaki, Pierre Râle, et al.. (2019). A hot-carrier assisted InAs/AlGaAs quantum-dot intermediate-band solar cell. Semiconductor Science and Technology. 34(8). 84001–84001. 6 indexed citations

13.

Delamarre, Amaury, Hugh M. Johnson, Kentaroh Watanabe, et al.. (2019). Current transport efficiency analysis of multijunction solar cells by luminescence imaging. Progress in Photovoltaics Research and Applications. 27(10). 835–843. 3 indexed citations

14.

Yamaguchi, Koichi, et al.. (2019). Smart Grid Optimization by Deep Reinforcement Learning over Discrete and Continuous Action Space. 8(1). 19–22. 5 indexed citations

15.

Asahi, Shigeo, Toshiyuki Kaizu, Yukihiro Harada, et al.. (2017). Efficient two-step photocarrier generation in bias-controlled InAs/GaAs quantum dot superlattice intermediate-band solar cells. Scientific Reports. 7(1). 5865–5865. 18 indexed citations

16.

Okada, Yoshitaka, Yasushi Shoji, Ryo Tamaki, Katsuhisa Yoshida, & Tomah Sogabe. (2016). Factors Determining High-Efficiency Operation of Quantum Dot Intermediate Band Solar Cells. The Japan Society of Applied Physics.

17.

Shoji, Yasushi, Ryo Tamaki, A. Medina, et al.. (2014). Effect of field damping layer on two step absorption of quantum dots solar cells. UPM Digital Archive (Technical University of Madrid). 2 indexed citations

18.

Islam, Muhammad Monirul, Naoya Miyashita, Nazmul Ahsan, et al.. (2014). Effect of antimony on the deep-level traps in GaInNAsSb thin films. Applied Physics Letters. 105(11). 9 indexed citations

19.

Okada, Yoshitaka, et al.. (2003). GaAs/Si solar cells with internal Bragg reflector superlattice structure. 3rd World Conference onPhotovoltaic Energy Conversion, 2003. Proceedings of. 1. 781–784. 1 indexed citations

20.

Takeda, Toru, et al.. (2003). Potentially modulated multi-quantum well solar cells with improved dark current characteristics. 3rd World Conference onPhotovoltaic Energy Conversion, 2003. Proceedings of. 3. 2750–2753. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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