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Home > Introduction of our tenure-track faculties > Kubo Wakana

Introduction of our tenure-track faculties

Kubo Wakana

Affiliation Organization for Promotion of Tenure-track System / Institute of Engineering
Division Division of Advanced Electrical and Electronics Engineering
Research field Optoelectronics
Keyword(S) Nanofabrication, optoelectronics, plasmonics,
Research experience

・2005.4-2006.3: Research Fellowship for Young Scientist(DC2), Japan Society for the Promotion of Science
・2006.4-2007.3: Research Fellowship for Young Scientist(PD), Japan Society for the Promotion of Science
・2007.4-2010.3: Researcher, RIKEN
・2010.4-2011.3: Postdoctral Researcher, RIKEN
・2011.4-2014.3: Special Postdoctral Researcher, RIKEN
・2011.10-2014.3: JST-PRESTO Researcher
・2014.4-2015.12: Visiting Researcher, RIKEN
・2014.4-2015.3: JST-PRESTO Researcher
・2016.1-present: Associate Professor, Tokyo University of Agriculture and Technology

Educational background

・1997.4-2001.3: B. Sc., Department of Applied Chemistry, Faculty of Science, Tokyo University of Science
・2001.4-2003.3: M. En., Department of Applied Chemistry, Faculty of Engineering, The University of Tokyo
・2003.4-2006.3: Ph. D., Department of Applied Chemistry, Faculty of Engineering, The University of Tokyo


・2007.3: Honda-Fujishima Prize
・2009.3: Japanese Society of Applied Physics, Young Scientist Presentation Award
・2012.5: TANAKA holdings, Co. Ltd., MMS prize

Selected papers and publications

・W. Kubo, Y. Yokota, and T. Tanaka, “Au nanodot lattices with well-controlled in size and density for thin organic solar cells”, Physica Status Solidi-Rapid Research Letters, 9, 348-352, 2015.
・W. Kubo, S. Fujikawa, “Au double nanopillars with nanogap for plasmonic sensor” Nano Letters, 11, 8-15, 2011.
・W. Kubo, H. Hayakawa, K. Miyoshi, S. Fujikawa, “Size-controlled simple fabrication of free-standing, ultralong metal nanobelt array” Journal of Nanoscience and Nanotechnology, 11, 131-137, 2011.
・W. Kubo, S. Fujikawa, “Manipulation of a One Dimensional Molecular Assembly of Helical Superstructures by Dielectrophoresis”, Applied Physics Letters, 95, 163110-1-3, 2009.4.
・W. Kubo, S. Fujikawa, “Embedding of a Gold Nanofin Array in a Polymer Film to Create Transparent, Flexible and Anisotropic Electrodes” Journal of Materials Chemistry, 19, 2154-2158, 2009.
・W. Kubo, T. Tatsuma, “Mechanisms of Photocatalytic Remote Oxidation” Journal of the American Chemical Society, 128, 16034-16035, 2006.6.

Research Description

I work on developing various functional devices and materials by controlling sunlight. Examples of such devices include solar cells with unprecedented high efficiency, and smart windows that change reflection with environmental temperature. They will be crucial for realizing eco-friendly society in the future.
More specifically, I utilize metal nanostructures to create artificial electromagnetic resonances for the sunlight control. Light absorption, reflection, and scattering of metal nanostructures depend on the interaction between the light and the nanostructures, which in term is determined by their size and shape. This property allows us to manipulate the optical properties of plasmonic devices by designing their nanostructures. Similar principles have been applied to creating metamaterials, which could lead to the invention of invisibility cloak in the future.
At present, through designing unique metal nanostructures, I have succeeded in confining light at the nanoscale, as well as controlling light propagating direction. The next step will be to apply this technique to developing optoelectronics devices and materials with useful applications.

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About TUAT's tenure-track program

I thank the tenure-track program for providing me this prestigious post as a principle investigator. Although common in Europe and America, such tenure-track program is still relatively rare in Japan, especially considering the large number of young researchers and the limited number of faculty positions. The TUAT’s program provides me the precious opportunity to manage my own lab. It also enables me to easily seek advices from senior researchers in the university.

Future aspirations

I will continue my pursuit of high-quality research. This is not a goal that can be easily achieved in a short period. But I believe that, only through continuous effort and devotion could one really become an excellent researcher and make important scientific breakthrough. I also hope that my research and teaching could inspire young students to make scientific research as their career as well.