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is a Japanese
chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a graduated scientist trained in the study of chemistry, or an officially enrolled student in the field. Chemists study the composition of ...
and president of Tokyo University of Science. He is known for significant contributions to the discovery and research of photocatalytic and superhydrophilic properties of
titanium dioxide Titanium dioxide, also known as titanium(IV) oxide or titania , is the inorganic compound derived from titanium with the chemical formula . When used as a pigment, it is called titanium white, Pigment White 6 (PW6), or Colour Index Internationa ...
(TiO2), which is also known as the '' Honda-Fujishima effect''.(Originally published in Japanese 2 December 2003)


Career and research

In 1966 he earned his B. A. (Engineering) at the Faculty of Engineering, Yokohama National University, and in 1971 his Ph.D. (Engineering) at the Graduate School of Engineering, the
University of Tokyo The University of Tokyo (, abbreviated as in Japanese and UTokyo in English) is a public research university in Bunkyō, Tokyo, Japan. Founded in 1877 as the nation's first modern university by the merger of several pre-westernisation era ins ...
. In 1967, while working on his Ph.D. under the supervision of professor Kenichi Honda (本多 健一), he discovered the phenomenon of photocatalytic water decomposition (water
photolysis Photodissociation, photolysis, photodecomposition, or photofragmentation is a chemical reaction in which molecules of a chemical compound are broken down by absorption of light or photons. It is defined as the interaction of one or more photons wi ...
) when he exposed a titanium dioxide electrode to strong light, later called the '' Honda-Fujishima effect''. The discovery of self-cleaning properties of titanium dioxide by the group under his supervision initiated a revolution in the
ceramic A ceramic is any of the various hard, brittle, heat-resistant, and corrosion-resistant materials made by shaping and then firing an inorganic, nonmetallic material, such as clay, at a high temperature. Common examples are earthenware, porcela ...
,
glass Glass is an amorphous (non-crystalline solid, non-crystalline) solid. Because it is often transparency and translucency, transparent and chemically inert, glass has found widespread practical, technological, and decorative use in window pane ...
, and other industries (see e.g., self-cleaning glass). Akira Fujishima, Heinz Gerischer Award
On completing his Ph.D. in 1971 he became assistant professor at Kanagawa University but returned to the University of Tokyo in 1975 as assistant professor in the Department of Applied Chemistry. He was promoted to associate professor in 1978 and professor in 1986 within the same department. He became professor emeritus in 2003 and ''special university professor emeritus'' in 2005. In 1989 he was appointed executive director of the Chemical Society of Japan. In 1998 he became chief of the optical science group at Kanagawa Academy of Science and Technology Research, and president of the Japanese Photochemistry Association. In 1999 he was founder editor-in-chief of the editorial panel of the Journal of Photochemistry and Photobiology C: Photochemistry Reviews In 2001, he was nominated vice president of the Chemical Society of Japan, becoming its president in 2006. In 2002 he was research supervisor for the development of advanced nanostructured materials for energy conversion and storage at the
Japan Science and Technology Agency The Japan Science and Technology Agency (JST; Japanese: 科学技術振興機構) is a Japanese government agency which aims to build infrastructure that supports knowledge creation and dissemination in Japan. It is one of the National Research an ...
(JST). In 2003 he became president of the Electrochemical Society of Japan. and chairman of the Kanagawa Academy of Science and Technology. In 2010, Fujishima became the ninth president of Tokyo University of Science.


Recognition

Akira Fujishima has been the recipient of many prestigious awards and honours. In 1983 he was awarded the
Asahi Prize The , established in 1929, is an award presented by the Japanese newspaper ''Asahi Shimbun'' and Asahi Shimbun Foundation to honor individuals and groups that have made outstanding accomplishments in the fields of arts and academics and have greatl ...
from the ''
Asahi Shimbun is a Japanese daily newspaper founded in 1879. It is one of the oldest newspapers in Japan and Asia, and is considered a newspaper of record for Japan. The ''Asahi Shimbun'' is one of the five largest newspapers in Japan along with the ''Yom ...
''. He received the Award for Research Excellence from the Electrochemical Society of Japan in 1987. In 1998 he received the Inoue Harushige Award for technical innovation from the Research Development Corporation of Japan and the Innovations in Real Materials Award. In 1999 he received the Award of the Electrochemical Society of Japan 1999 and in the following year, 2000, the Chemical Society of Japan Award In 2003 he was the recipient of the ''Heinz Gerischer Award'' of the European Section of
The Electrochemical Society The Electrochemical Society is a learned society (professional association) based in the United States that supports scientific inquiry in the field of electrochemistry solid-state science and related technology. The Society membership comprises ...
and Japan's Medal with Purple Ribbon. The following year he was further recognised in his own country when in 2004 he received both the
Japan Prize is awarded to individuals whose original and outstanding achievements in science and technology are recognized as having advanced the frontiers of knowledge and served the cause of peace and prosperity for mankind. As of 2024, the Japan Prize h ...
and the Japan Academy Prize In 2006 he received the National Commendation for Invention Award and the Kanagawa Culture Award. In 2012 he received the Laurea Honoris Causa in chemistry of the environment from the University of Turin. In 2017 he received the
Order of Culture The is a Japanese Order (decoration), order, established on February 11, 1937. The order has one class only, and may be awarded to men and women for contributions to Japanese Art, Japan's art, Japanese Literature, literature, science, technolog ...
from the
Emperor of Japan The emperor of Japan is the hereditary monarch and head of state of Japan. The emperor is defined by the Constitution of Japan as the symbol of the Japanese state and the unity of the Japanese people, his position deriving from "the will of ...
.


References

{{DEFAULTSORT:Fujishima, Akira Japanese chemists 1942 births Scientists from Tokyo University of Tokyo alumni Academic staff of Kanagawa University Academic staff of the University of Tokyo Living people Yokohama National University alumni Recipients of the Order of Culture Foreign members of the Chinese Academy of Engineering