Publication

50. Dual halogen layers diversify band engineering in Sillén oxyhalide photocatalysts: electronic structure control of SrBi3O4X3 (X = Cl, Br, I) via halogen substitution

Yusuke Ishii, Hajime Suzuki*, Osamu Tomita, Akinobu Nakada, Ryu Abe*

Phys. Chem. Chem. Phys., 2026, 28, 38-41. [DOI: 10.1039/D5CP04120A]

47. Interface Engineering between Photocatalyst and Cocatalyst: A Strategy for Enhancing Interfacial Charge Transfer and Water Oxidation of Layered Oxyhalides

Hajime Suzuki*, Kengo Minamimoto, Yusuke Ishii, Osamu Tomita, Akinobu Nakada, Shunsuke Nozawa, Akira Yamakata, Ryu Abe*

J. Am. Chem. Soc., 2025, 147, 22892-22900. [DOI: 10.1021/jacs.5c05452]

46. Doubling Charge Transport in Z-Scheme Water Splitting: Di-vanadium-substituted Polyoxometalate as Shuttle Redox Mediator for Boosting Visible-Light-Induced Water Splitting

Osamu Tomita,* Kento Tachizawa, Takuro Kido, Hajime Suzuki, Akinobu Nakada, Ryu Abe*

Adv. Funct. Mater, 2025, 2505908. [DOI: 10.1002/adfm.202505908]

43. Enhanced Photocatalytic O2 Evolution over Layered Perovskite Oxyiodide Ba2Bi3Nb2O11I through Flux Synthesis and Surface Modifications

Reiya Takahashi, Makoto Ogawa, Hajime Suzuki*, Osamu Tomita, Akinobu Nakada, Shunsuke Nozawa, Akinori Saeki, Ryu Abe*

Inorg. Chem., 2025, 64, 9163-9171. [DOI: 10.1021/acs.inorgchem.5c00803]

40. Spontaneous adsorption of iridium chloride complex on oxychloride photocatalysts provides efficient and durable reaction site for water oxidation

Hajime Suzuki*, Kengo Minamimoto, Yusuke Ishii, Yudai Furuta, Osamu Tomita, Akinobu Nakada, Shunsuke Nozawa, Ryu Abe*

Chem. Commun., 2025, 61, 3836-3839. [10.1039/D4CC06683A]

39. Flux Synthesis of Sillén–Aurivillius Oxyiodide for Visible Light Water Splitting Photocatalysis

Makoto Ogawa, Hajime Suzuki, Kanta Ogawa, Hiroki Ubukata, Osamu Tomita, Akinobu Nakada, Shunsuke Nozawa, Akinori Saeki, Hiroshi Kageyama, Ryu Abe*

Chem. Mater., 2025, 37, 1123-1131.  [DOI: 10.1021/acs.chemmater.4c02946]

37. Visible-Light Activation of a Ru(II) Complex Catalyst via a Carbazole-Modified Donor–Acceptor Ligand for CO2 Reduction

Akinobu Nakada*, Yuya Tomiura, Hajime Suzuki, Osamu Tomita, Ryu Abe*

Chem. Lett., 2024, 53, upae127. [DOI: 10.1093/chemle/upae127]

36. Experimental verification of double-four-ring-type aluminosilicate molecule as a single-source precursor for zeolite synthesis

Akira Imaizumi, Yurika Ohnishi, Akinobu Nakada, Akinori Honda, Takeshi Matsumoto, Kenji Katayama, Ho-Chol Chang*

Bull. Chem. Soc. Jpn., 2024, 97, uoae060. [DOI: 10.1093/bulcsj/uoae060]

35. Boosting Z-scheme-type Water Splitting by Controlling FeIII/FeII Redox Potential in Metal Hexacyanoferrate Modifiers Loaded on H2-evolving Photocatalyst

Harutaka Ninomiya, Osamu Tomita, Hajime Suzuki, Akinobu Nakada, Ryu Abe*

ACS Mater. Lett., 2024, 6, 2474-2478. [DOI: 10.1021/acsmaterialslett.4c00653]

34. Metal-free carbazole-thiophene photosensitizers designed for a dye-sensitized H2-evolving photocatalyst in Z-scheme water splitting

Akinobu Nakada, Takayuki Yokota, Morihiko Ogura, Ninghui Chang, Osamu Tomita, Akinori Saeki, Masamichi Ogasawara, Ryu Abe*

J. Chem. Phys., 2024, 160, 044710. [DOI: 10.1063/5.0179225]

32. Sn2+-based pyrochlore oxysulfides with narrow band gaps for photocatalytic water splitting

Makoto Ogawa, Hajime Suzuki, Osamu Tomita, Akinobu Nakada, Ryu Abe*

J. Photochem. Photobiol. A: Chem., 2023, 444, 114895. [DOI: 10.1016/j.jphotochem.2023.114895] 

31. Efficient electrocatalytic H2O2 evolution utilizing electron-conducting molecular wires spatially separated by rotaxane encapsulation

Sheng-Ying Chou, Hiroshi Masai*, Masaya Otani,Hiromichi V. Miyagishi, Gentaro Sakamoto, Yusuke Yamada*, Yusuke Kinoshita, Hitoshi Tamiaki, Takayoshi Katase, Hiromichi Ohta, Tomoki Kondo, Akinobu Nakada, Ryu Abe, Takahisa Tanaka, Ken Uchida, Jun Terao*

Appl. Catal. B: Environ., 2023, 327, 122373. [DOI: 10.1016/j.apcatb.2023.122373] 

29. Light-induced electron transfer/phase migration of a redox mediator for photocatalytic C–C coupling in a biphasic solution

Ren Itagaki, Shin-ya Takizawa, Ho-Chol Chang*, Akinobu Nakada*

Dalton Trans., 2022, 51, 9467-9476. [DOI: 10.1039/D2DT01334G]

28. Photoexcited charge manipulation in conjugated polymers bearing a Ru(II) complex catalyst for visible-light CO2 reduction

Akinobu Nakada*, Ryuichi Miyakawa, Ren Itagaki, Kosaku Kato, Chinami Takashima, Akinori Saeki, Akira Yamakata, Ryu Abe, Hiromi Nakai, Ho-Chol Chang*

J. Mater. Chem. A, 2022, 10, 19821-19828. [DOI: 10.1039/D2TA02183H] Emerging Investigators Termed Issue

26. Tunable synchronicity of molecular valence tautomerism with macroscopic solid-liquid transition by molecular lattice engineering

Mayumi Chida, Satoru Takahashi, Ryunosuke Konishi, Takeshi Matsumoto, Akinobu Nakada, Masanori Wakizaka, Wataru Kosaka, Hitoshi Miyasaka, Ho-Chol Chang*

Chem. Eur. J., 2021, 27 (66), 16354-16366.

25. Controlling the carrier density in niobium oxynitride BaNbO2N via cation doping for efficient photoelectrochemical water splitting under visible light

Takafumi Iwai, Akinobu Nakada, Masanobu Higashi, Hajime Suzuki, Osamu Tomita, Ryu Abe* 

Sustain. Ener. Fuels, 2021, 5, 6181-6188.

23. Functional-Group-Directed Photochemical Reactions of Aromatic Alcohols, Amines, and Thiols Triggered by Excited-State Hydrogen Detachment: Additive-Free Oligomerization, Disulfidation, and C(sp2)-H Carboxylation with CO2

Kanae Abe, Akinobu Nakada, Takeshi Matsumoto, Daiki Uchijyo, Hirotoshi Mori, Ho-Chol Chang*

J. Org. Chem., 2021, 86, 959-969.

21. Facile and selective synthesis of zeolites L and W from a single-source heptanuclear aluminosilicate precursor

Akira Imaizumi, Akinobu Nakada, Takeshi Matsumoto, Ho-Chol Chang*

CrystEngComm, 2020, 22, 5862-5870.

20. Molecular Insights into the Ligand-Based Six-Proton and -Electron Transfer Processes Between Tris-ortho-Phenylenediamines and Tris-ortho-Benzoquinodiimine Iron(II) Complexes

Takeshi Matsumoto, Risa Yamamoto, Masanori Wakizaka, Akinobu Nakada, Ho-Chol Chang*

Chem.-Eur. J., 2020, 26, 9609-9619.　Selected as a Hot Paper Corrigendum

19. Triple-layered Sillén–Aurivillius Perovskite Oxychloride Bi5PbTi3O14Cl as a Visible-light-responsive Photocatalyst for Water Splitting

Daichi Ozaki, Hajime Suzuki, Akinobu Nakada, Masanobu Higashi, Osamu Tomita, Hiroshi Kageyama*, Ryu Abe*

Chem. Lett., 2020, 49, 978-981.

18. Identification of Prime Factors to Maximize the Photocatalytic Hydrogen Evolution of Covalent Organic Frameworks

Samrat Ghosh*, Akinobu Nakada, Maximilian Springer, Takahiro Kawaguchi, Katsuaki Suzuki, Hironori Kaji, Igor Baburin, Agnieszka Kuc, Thomas Heine, Hajime Suzuki, Ryu Abe*, Shu Seki*

J. Am. Chem. Soc., 2020, 142, 9752-9762.

15. Effective Strategy for Enhancing Z-scheme Water Splitting with IO3-/I- Redox Mediator by using Visible Light Responsive TaON Photocatalyst Co-loaded with Independently Optimized Two Different Cocatalysts

Yukari Iwase, Osamu Tomita, Masanobu Higashi, Akinobu Nakada, Ryu Abe*

Sustain. Energy Fuels, 2019, 3, 1501-1508.

13. Flux Synthesis of Layered Oxyhalide Bi4NbO8Cl Photocatalyst for Efficient Z-scheme Water Splitting Under Visible Light

Kanta Ogawa, Akinobu Nakada, Hajime Suzuki, Osamu Tomita, Masanobu Higashi, Akinori Saeki, Hiroshi Kageyama*, Ryu Abe*

ACS Appl. Mater. Interfaces, 2019, 11, 5642-5650.

12. Effects of Interfacial Electron Transfer in Metal Complex−Semiconductor Hybrid Photocatalysts on Z-scheme CO2 Reduction under Visible Light

Akinobu Nakada, Ryo Kuriki, Keita Sekizawa, Shunta Nishioka, Junie Jhon M. Vequizo, Tomoki Uchiyama, Nozomi Kawakami, Dailing Lu, Akira Yamakata, Yoshiharu Uchimoto, Osamu Ishitani*, Kazuhiko Maeda*

ACS Catal., 2018, 8, 9744-9754.

11. Improved Activity of Hydrothermally-Prepared WO3 Photocatalysts by Sodium Salt Additives

Kanta Ogawa, Osamu Tomita, Kohei Takagi, Akinobu Nakada, Masanobu Higashi, Ryu Abe*

Chem. Lett., 2018, 47, 985-988.

9. Two-step synthesis of Sillén-Aurivillius type oxychlorides to enhance the photocatalytic activity for visible-light-induced water splitting

Akinobu Nakada, Akinori Saeki, Masanobu Higashi, Hiroshi Kageyama*, Ryu Abe*

J. Mater. Chem. A, 2018, 6, 10909-10917.

7. Improved visible-​light activity of nitrogen-​doped layered niobate photocatalysts by NH3-​nitridation with KCl flux

Hajime Suzuki, Osamu Tomita, Masanobu Higashi, Akinobu Nakada, Ryu Abe*

Appl. Catal. B, 2018, 232, 49-54.

5. Solar-driven Z-scheme water splitting using tantalum/nitrogen co-doped rutile titania nanorod as an oxygen evolution photocatalyst

Akinobu Nakada, Shunta Nishioka, Junie M. Vequizo, Kanemichi Muraoka, Tomoki Kanazawa, Akira Yamakata, Shunsuke Nozawa, Hiromu Kumagai, Shin-ich Adachi, Osamu Ishitani, Kazuhiko Maeda*

J. Mater. Chem. A, 2017, 5, 11710-11719.

4. Visible-light-driven CO2 reduction on a hybrid photocatalyst consisting of a Ru(II) binuclear complex and a Ag-loaded TaON in aqueous solutions

Akinobu Nakada, Takuya Nakashima, Keita Sekizawa, Kazuhiko Maeda, Osamu Ishitani*

Chem. Sci., 2016, 7, 4364-4371. Open Access

3. Highly efficient visible-light-driven CO2 reduction to CO using a Ru(II)-Re(I) supramolecular photocatalyst in an aqueous solution

Akinobu Nakada, Kazuhide Koike, Kazuhiko Maeda, Osamu Ishitani*

Green. Chem., 2016, 18, 139-143. Open Access

2. Bias-Dependent Oxidative or Reductive Quenching of a Molecular Excited-State Assembly Bound to a Transparent Conductive Oxide

Byron H. Farnum, Akinobu Nakada, Osamu Ishitani, Thomas J. Meyer*

J. Phys. Chem. C, 2015, 119, 25180-25187.

1. Photocatalytic CO2 Reduction to Formic Acid Using a Ru(II)-Re(I) Supramolecular Complex in an Aqueous Solution

Akinobu Nakada, Kazuhide Koike, Takuya Nakashima, Tatsuki Morimoto, Osamu Ishitani*

Inorg. Chem., 2015, 54, 1800-1807.