• Source: Scopus
  • Calculated based on no. of publications stored in Pure and citations from Scopus
1986 …2021

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Personal profile

Research Overview

Professor Ohkawa‘s research interests include science and device application of energy-conversion phenomena toward a more sustainable future. Promising applications are solid state lighting and artificial photosynthesis. Ohkawa has refined MOVPE technique to the point where only his MOVPE can grow specifically designed InGaN as an essential component to fabricate efficient yellow- amber- and red-LEDs. InGaN is environmentally benign, and will snatch the device field by arsenides and phosphides. He is also trying to generate clean chemical energy from light energy by using nitride photocatalyst he invented. It is so-called artificial photosynthesis which produces not only H2 from H2O reduction but also HCOOH, CH4 and C2H5OH from CO2 reduction. Efficiency of nitride photosynthesis is already greater than average of biological photosynthetic one.

Key Research Areas

Electrical Engineering

Expertise related to UN SDGs

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 7 - Affordable and Clean Energy
  • SDG 9 - Industry, Innovation, and Infrastructure
  • SDG 11 - Sustainable Cities and Communities

Education

Ph.D., The University of Tokyo

1992

Award Date: Jan 1 1992

M.S., The University of Tokyo

1985

Award Date: Jan 1 1985

B.S., Tokyo University of Science

1983

Award Date: Jan 1 1983

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