The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Takayuki Hirai sits on this spectrum.
This scientist: 313 publications — 66th percentile
66% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,295 publications or more.
The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Takayuki Hirai sits on this spectrum.
This scientist: 84 D-Index — 85th percentile
85% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 159 D-Index or more.
Takayuki Hirai is affiliated with Osaka University in Japan and specializes in research primarily focused on materials science and energy. Their work encompasses both core fields and several interdisciplinary subfields, including materials chemistry, renewable energy and sustainability, environmental chemistry, inorganic chemistry, and catalysis.
The scientist's research topics are diverse, with principal domains including advanced photocatalysis techniques, methane hydrates and related phenomena, covalent organic framework applications, TiO2 photocatalysis and solar cells, inorganic fluorides and related compounds, copper-based nanomaterials and applications, and ammonia synthesis and nitrogen reduction.
Takayuki Hirai has contributed substantially to the scientific literature, with notable recent papers such as:
Their frequent publication venues highlight a strong presence in journals such as the Journal of Chemical & Engineering Data, the Journal of the American Chemical Society, JACS Au, Chemical Communications, and Langmuir.
Takayuki Hirai has collaborated extensively with coauthors in the field, with frequent collaborators including Yasuhiro Shiraishi, Shunsuke Tanaka, Takeshi Sugahara, Satoshi Ichikawa, and Jin Shimada.
Hiroaki Hirakawa;Masaki Hashimoto;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Takayuki Hirai
Yasuhiro Shiraishi;Shunsuke Kanazawa;Yoshitsune Sugano;Daijiro Tsukamoto
Yasuhiro Shiraishi;Yasuhiro Shiraishi;Takahiro Takii;Takumi Hagi;Shinnosuke Mori
Daijiro Tsukamoto;Yasuhiro Shiraishi;Yoshitsune Sugano;Satoshi Ichikawa
Yasuhiro Shiraishi;Shunsuke Kanazawa;Yusuke Kofuji;Hirokatsu Sakamoto
Yusuke Kofuji;Yuki Isobe;Yasuhiro Shiraishi;Hirokatsu Sakamoto
Daijiro Tsukamoto;Akimitsu Shiro;Yasuhiro Shiraishi;Yoshitsune Sugano
Xuan Zhang;Yasuhiro Shiraishi;Takayuki Hirai
Yasuhiro Shiraishi;Takayuki Hirai
Hiroaki Hirakawa;Shingo Shiota;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Hirokatsu Sakamoto
Yasuhiro Shiraishi;Naoya Saito;Takayuki Hirai
Yasuhiro Shiraishi;Shigehiro Sumiya;Yoshiko Kohno;Takayuki Hirai
Yusuke Kofuji;Satoshi Ohkita;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Hirokatsu Sakamoto
Yasuhiro Shiraishi;Yasuhiro Shiraishi;Yusuke Kofuji;Hirokatsu Sakamoto;Shunsuke Tanaka
Yasuhiro Shiraishi;Shigehiro Sumiya;Takayuki Hirai
Hiroaki Hirakawa;Masaki Hashimoto;Yasuhiro Shiraishi;Yasuhiro Shiraishi;Takayuki Hirai
Yasuhiro Shiraishi;Hirokatsu Sakamoto;Yoshitsune Sugano;Satoshi Ichikawa
Yasuhiro Shiraishi;Yoshitsune Sugano;Shunsuke Tanaka;Takayuki Hirai
Yasuhiro Shiraishi;Masako Matsumoto;Satoshi Ichikawa;Shunsuke Tanaka
Yasuhiro Shiraishi;Shunsuke Kanazawa;Daijiro Tsukamoto;Akimitsu Shiro
Yasuhiro Shiraishi;Kenichi Adachi;Masataka Itoh;Takayuki Hirai
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