1. paper on near-field nonlinear molecular spectroscopy

2. paper on impact of metal cocatalysts in methane photocatalysis

3. paper on environmental effect in water photocatalysis

4. paper on physics of ice as strongly correlated proton system

5. paper on nonlinear electro nanophotonics

6. paper on nonlinear optical interface observation

7. Tip-Enhanced Sum Frequency Generation for Molecular Vibrational Nanospectroscopy

8. Positive and negative impacts of interfacial hydrogen bonds on photocatalytic hydrogen evolution

9. Direct Operando Identification of Reactive Electron Species Driving Photocatalytic Hydrogen Evolution on Metal-loaded Oxides

10. Angstrom-scale interface modification extensively tunes thermodynamic ordering of strongly correlated protons in ice

11. Bonding of Water to Metal Surfaces

Toshiki Sugimoto,* Hirohito Ogasawara*;

Encyclopedia of solid-liquid interfaces 2, 189-202 (2024)

https://doi.org/10.1016/B978-0-323-85669-0.00090-8

• 総説・解説 / Review Papers
  Core-level X-ray spectroscopy meets nonlinear optical vibrational spectroscopy (SFG)!
  This instructional article is written for new challengers who aim to pioneer the exciting research field of interfacial molecular science of water.

• https://twitter.com/SugimotoGroup/status/1772556127580160366

12. First-principles study of water adsorption monolayer on Pt(111): adsorption energy and second-order nonlinear susceptibility

Jun Haruyama, Toshiki Sugimoto and Osamu Sugino;

Phys. Rev. Materials 7, 115803 (2023)

10.1103/PhysRevMaterials.7.115803

13. 実触媒・実反応環境下の表面界面分子科学開拓への挑戦～界面水による光触媒的C-H活性化とメタン転換の促進効果～

杉本 敏樹;

表面と真空 66 巻 10 号, 580-586 (2023)

DOI: https://doi.org/10.1380/vss.66.580

• 総説・解説 / Review Papers
  室温・大気圧条件下でメタンを付加価値の高い化学物質に変換する次世代光触媒技術の開発は、持続可能社会の実現に向けて極めて重要な化学的課題です。しかし、炭化水素の中で元も強いC-H結合を有するメタンの反応メカニズムに関する微視的な知見はほとんど得られておらず、高機能なメタン転換光触媒の設計/開発指針が乏しいのが現状でした。本解説記事では、光触媒の表面反応場に水分子が存在することでメタンの転換効率や反応選択制が大きく変化する現象の起源に分子レベルで迫った当グループの最近の研究結果を紹介しています。

14. Facilitating methane conversion and hydrogen evolution on platinized gallium oxide photocatalyst through liquid-like water nanofilm formation

Fumiaki Amano, Atsushi Ishikawa, Hiromasa Sato, Chiho Akamoto, Surya Pratap Singh, Seiji Yamazoe and Toshiki Sugimoto ;

Catalysis Today 426, 114375 (2024) (2023)

https://doi.org/10.1016/j.cattod.2023.114375

15. Broadband tip-enhanced nonlinear optical response in a plasmonic nanocavity

Shota Takahashi, Atsunori Sakurai*, Tatsuto Mochizuki and Toshiki Sugimoto*;

J. Phys. Chem. Lett. 14, 6919–6926 (2023)

https://doi.org/10.1021/acs.jpclett.3c01343

• 分子科学研究所　プレスリリース(2023/07/28)

  ナノスケールの極微空間における超広帯域な非線形光学応答の増強効果を解明 －新奇ナノ非線形分光法の発展に向けて

• IMS News (2023/07/28)

  Broadband Tip-Enhanced Nonlinear Optical Response in a Plasmonic Nanocavity

• Scienmag Science Magazine (2023/07/28)

  Broadband tip-enhanced nonlinear optical response in a plasmonic nanocavity

• OPTRONICS ONLINE (2023/07/31)

  分子研，ナノスケール非線形光学の増強効果を解明

• 金探針の光増強効果　分子研が波長拡大実証

16. Beyond reduction cocatalysts: critical role of metal cocatalysts in photocatalytic oxidation of methane with water

Hikaru Saito, Hiromasa Sato, Taisuke Higashi, Toshiki Sugimoto*;

Angew. Chem. Int. Ed. 62, e2023060 (2023)

https://doi.org/10.1002/anie.202306058

• 分子科学研究所　プレスリリース(2023/07/13)

  常温常圧での非熱的触媒反応における 担持金属助触媒の新たな役割・選択性の起源を解明！

• IMS News (2023/07/13)

  Beyond reduction cocatalysts: a new paradigm for the role of metal cocatalysts in photocatalysis

• OPTRONICS ONLINE (14/07/2023)

  分子研，メタン酸化光触媒反応を分子レベルで解明

• Phys.org (15/07/2023)

  Beyond reduction cocatalysts: A new paradigm for the role of metal cocatalysts in photocatalysis

17. Angstrom-scale interface modification extensively tunes thermodynamic ordering of strongly correlated protons in ice

18. Concerted effects of local and nonlocal plasmons on the broadband nonlinear optical response in tip-enhanced nanophotonics

19. Critical impacts of interfacial water on C–H activation in photocatalytic methane conversion

Hiromasa Sato, Atsushi Ishikawa, Hikaru Saito, Taisuke Higashi, Kotaro Takeyasu and Toshiki Sugimoto;

Communications Chemistry 6, 8 (2023)

DOI: 10.1038/s42004-022-00803-3

• IMS News (2023/01/23)

  非熱的なメタンの活性化触媒反応における界面水の役割を分子レベルで明らかに！持続可能なメタン資源の有効活用に向けて（杉本グループら）

• IMS News (2023/01/23) English ver.

  Critical impacts of interfacial water on C–H activation in photocatalytic methane conversion

• AZO MATERIALS (Jan. 23 2023)

  Key Molecular-Level Insights into the Role of Interfacial Water

• News Concerns (20/01/2023)- Latest News Update

  Critical Impacts Of Interfacial Water On C-H Activation In Photocatalytic Methane Conversion

• Posts US News (21/01/2023)

  Impacts critiques de l’eau interfaciale sur C–H

20. First-Principles Study for the Structures of Pt(111)/H₂O Adsorption Layer

Jun Haruyama, Toshiki Sugimoto, and Osamu Sugino: ;

Vacuum and Surface Science 65, 355-360 (2022)

DOI: 10.1380/vss.65.355

21. Sustainable Organic Synthesis Promoted on Titanium Dioxide using Coordinated Water and Renewable Energies/Resources

Miho Yamauchi, Hikaru Saito, Toshiki Sugimoto, Shogo Mori, Susumu Saito;

Coord.Chem.Rev. 472, 214773 (2022)

DOI: 10.1016/j.ccr.2022.214773

• 総説・解説 / Review Papers

22. オペランド分光による活性種観測の新展開 ～メタン水蒸気改質光触媒反応を例に～

23. 表面に形成される強誘電氷―非線形分光で迫る物質表面水分子の配向構造と特異物性

24. Operando FT-IR Spectroscopy of Steam-methane-reforming Photocatalyst under Irradiation of Intensity Modulated UV Light

Hiromasa Sato & Toshiki Sugimoto;

Vacuum and Surface Science 63, 476–481 (2020)

DOI: 10.1380/vss.63.476

25. Peculiar Hydrogen-Bond Structure, Physical Properties and Function of Interfacial Water Molecules Elucidated by Nonlinear Laser Spectroscopy

26. Orientational ordering in heteroepitaxial water ice on metal surfaces

27. Unique Hydrogen-Bond Structures of Water Molecules at Ice Surface

28. Observation of proton ordering in crystalline-ice films grown on low-temperature substrate by sum-frequency generation spectroscopy

29. Direct experimental evidence for markedly enhanced surface proton activity inherent to water ice​

Fumiaki Kato, Toshiki Sugimoto & Yoshiyasu Matsumoto;

J. Phys. Chem. Lett. 11, 2524-2529 (2020)

DOI: 10.1021/acs.jpclett.0c00384

• IMS News (2020/03/30)

  氷の表面における異常に高いプロトン活性の実証（杉本グループら）

• IMS News (2020/03/30)

  Unique structural fluctuations at ice surface promote autoionization of water molecules

• EurekaAlert! (2020/03/30)

  Unique structural fluctuations at ice surface promote autoionization of water molecules

30. Thickness dependent homogeneous crystallization of ultrathin amorphous solid water films​

Kuniaki Harada, Toshiki Sugimoto, Fumiaki Kato, Kazuya Watanabe & Yoshiyasu Matsumoto;

Phys. Chem. Chem. Phys. 22, 1963-1973 (2020)

DOI: 10.1039/C9CP05981D

• IMS News (2020/04/13)

  杉本敏樹准教授らの論文が2020 PCCP HOT Articlesに選出

• IMS News (2020/04/13)

  Research Paper by Associate Professor Toshiki Sugimoto et al. has been selected for 2020 PCCP HOT Articles.

31. Vapor-Fed Photoelectrolysis of Water at 0.3 V Using Gas-Diffusion Photoanodes of SrTiO₃ Layers​

Fumiaki Amano, Hyosuke Mukohara, Hiroki Sato, Chihiro Tateishi, Hiromasa Sato & Toshiki Sugimoto;

Sustainable Energy Fuels 4, 1443-1453 (2019)

DOI: 10.1039/c9se01068h

32. Unveiling two deuteration effects on hydrogen-bond breaking process of water isotopomers

Fumiaki Kato, Toshiki Sugimoto, Kuniaki Harada, Kazuya Watanabe & Yoshiyasu Matsumoto;

Phys. Rev. Materials 3, 112001 (R) [7 pages]​ (2019)

DOI: 10.1103/physrevmaterials.3.112001

• IMS News (2019/12/02)

  水分子間の水素結合に隠された量子力学的効果の発見！ ～結合を強める量子効果と弱める量子効果が織り成す水分子水素結合の特異性～（杉本グループら）

• IMS News (2019/12/02)

  The impact of molecular rotation on a peculiar isotope effect on water hydrogen bonds

• EurekaAlert! (2019/12/02)

  The impact of molecular rotation on a peculiar isotope effect on water hydrogen bonds

33. Enhanced Structural Disorder at a Nanocrystalline Ice Surface​

Yuji Otsuki, Kazuya Watanabe, Toshiki Sugimoto & Yoshiyasu Matsumoto;

Phys. Chem. Chem. Phys. 21, 20442-20453 (2019)

DOI: 10.1039/c8cp07269h

34. 和周波発生振動分光計測と分子シミュレーションからみる氷表面の分子構造

35. 水分子凝集系における水素原子の位置に敏感な和周波発生振動分光法

36. Topologically disordered mesophase at topmost surface of crystalline ice between 120 and 200 K

Toshiki Sugimoto, Yuji Otsuki, Tatsuya Ishiyama, Akihiro Morita, Kazuya Watanabe & Yoshiyasu Matsumoto;

Phys. Rev. B (Rapid communication) 99, 121402(R) [7 pages] (2019)

DOI: 10.1103/physrevb.99.121402

• 120K-200Kの結晶氷の表面において，純粋な結晶状態でも液体状態でもない特異な水素結合状態が存在することを報告しました。​

37. Sum-frequency generation spectroscopy of heteroepitaxial ice films: Unveiling orientation of water molecules, and structural and physical properties of ice

38. Origins of emergent high-Tc ferroelectric ordering in heteroepitaxial ice film: Sum-frequency generation spectroscopy of H₂O and D₂O ice films on Pt(111)

Norihiro Aiga, Toshiki Sugimoto, Yuji Otsuki, Kazuya Watanabe & Yoshiyasu Matsumoto;

Phys. Rev. B 97, 075410 [21 pages] (2018)

DOI: 10.1103/physrevb.97.075410

39. Water-assisted hole trapping at highly curved surface of nano-TiO₂ photocatalyst

Kenji Shirai, Gianluca Fazio, Toshiki Sugimoto, Daniele Selli, Lorenzo Ferraro, Kazuya Watanabe, Mitsutaka Haruta, Bunsho Ohtani, Hiroki Kurata, Cristiana Di Valentin & Yoshiyasu Matsumoto;

J. Am. Chem. Soc. 140, 1415–1422 (2018)

DOI: 10.1021/jacs.7b11061

40. Inelastic Electron Tunneling Mediated by Molecular Quantum Rotator

Toshiki Sugimoto, Yuji Kunisada & Katsuyuki Fukutani;

Phys. Rev. B (Rapid communication) 96, 241409(R) [7 pages] (2017)

DOI: 10.1103/physrevb.96.241409

41. Particle Size Dependence of Carrier Dynamics and Reactivity of Photocatalyst BiVO4 Probed with Single-Particle Transient Absorption Microscopy

Mitsunori Yabuta, Atsuhiro Takeda, Toshiki Sugimoto, Kazuya Watanabe, Akihiko Kudo & Yoshiyasu Matsumoto;

J. Phys. Chem. C. 121, 22060–22066 (2017)

DOI: 10.1021/acs.jpcc.7b06230

42. Unveiling subsurface hydrogen-bond structure of hexagonal water ice

Yuji Otsuki, Toshiki Sugimoto, Tatsuya Ishiyama, Akihiro Morita, Kazuya Watanabe & Yoshiyasu Matsumoto;

Phys. Rev. B 96, 115405 (2017)

DOI: 10.1103/physrevb.96.115405

43. Fast crystalline ice formation at extremely low temperature through water/neon matrix sublimation

Tetsuya Hama, Shinnosuke Ishizuka, Tomoya Yamazaki, Yuki Kimura, Akira Kouchi, Naoki Watanabe, Toshiki Sugimoto & Valerio Pirronellod;

Phys. Chem. Chem. Phys. 19, 17677-17684 (2017)

DOI: 10.1039/c7cp03315j

• – Selected as “2017 PCCP HOT Articles”

44. Coherent singlet fission activated by symmetry breaking

Kiyoshi Miyata, Yuki Kurashige, Kazuya Watanabe, Toshiki Sugimoto, Shota Takahashi, Shunsuke Tanaka, Jun Takeya, Takeshi Yanai & Yoshiyasu Matsumoto;

Nature Chem. 9, 983–989 (2017)

DOI: 10.1038/nchem.2784

• 京都大学 プレスリリース(2017/11/29)

  分子結晶中で生じる多重励起子生成の新原理を発見－対称性を崩す振動励起を伴った超高速多重励起子生成－

45. Infrared spectroscopy of water adsorbates on TiO₂-photocatalyst surface that directly contribute to trapping of photo-generated hole

46. Disentangling multidimensional non-equilibrium dynamics of adsorbates: CO desorption from Cu(100)

Ken-ichi Inoue, Kazuya Watanabe, Toshiki Sugimoto, Yoshiyasu Matsumoto & Tomokazu Yasuike;

Phys. Rev. Lett. 117, 186101 (2016)

DOI: 10.1103/PhysRevLett.117.186101

• "The Calisthenics of Surface Femtochemistry" [October26, 2016・Physics 9, 123]
  – Featured in Physical Reveiw Letters, Viewpoint

47. Nuclear Spin Dynamics of Molecular Hydrogen Adsorbed on Solid Surfaces –Interdisciplinary Surface Electromagnetic Process-

48. Emergent high-Tc ferroelectric ordering of strongly correlated and frustrated protons in a heteroepitaxial ice film

Toshiki Sugimoto, Norihiro Aiga, Yuji Otsuki, Kazuya Watanabe & Yoshiyasu Matsumoto;

Nature Phys. 12, 1063–1068 (2016)

DOI: 10.1038/nphys3820

• “Thermodynamics of ice: Not obeying the rules” 12, 996–997 (2016) DOI:10.1038/nphys3853

  – Featured in Nature Physics, News and Views

• 京都大学 プレスリリース(2016/07/28)

  水分子の向きが揃った結晶氷 －特殊な結晶氷の構造と生成メカニズムの解明－

49. Enhancement of the Exciton Coherence Size in Organic Semiconductor by Alkyl-Chain Substitution

Shunsuke Tanaka, Kiyoshi Miyata, Toshiki Sugimoto, Kazuya Watanabe, Takafumi Uemura, Jun Takeya & Yoshiyasu Matsumoto;

J. Phys. Chem. C 120, 7941-7948 (2016)

DOI: 10.1021/acs.jpcc.5b12686

• “Thermodynamics of ice: Not obeying the rules” 12, 996–997 (2016) DOI:10.1038/nphys3853

  – Featured in Nature Physics, News and Views

• 京都大学 プレスリリース(2016/07/28)

  水分子の向きが揃った結晶氷 －特殊な結晶氷の構造と生成メカニズムの解明－

50. Effect of Water Adsorption on Carrier Trapping Dynamics at the Surface of Anatase TiO₂ Nanoparticles

Kenji Shirai, Toshiki Sugimoto, Kazuya Watanabe, Mitsutaka Haruta, Hiroki Kurata & Yoshiyasu Matsumoto;

Nano Lett. 16, 1323-1327 (2016)

DOI: 10.1021/acs.nanolett.5b04724

• – Featured in Physical Reveiw Letters, Viewpoint
  "The Calisthenics of Surface Femtochemistry" [October26, 2016・Physics 9, 123]

51. Ortho-Para Conversion of Molecular Hydrogen physisorbed on highly-pure amorphous solid water surfaces

52. Microscopic hole transfer efficiency in organic thin film transistors studied with charge modulation spectroscopy

53. Coherent Phonon Dynamics in Singlet Fission of Rubrene Single Crystal

54. Effects of cocatalyst on carrier dynamics of a titanate photocatalyst with layered perovskite structure

Mitsunori Yabuta, Tomoaki Takayama, Kenji Shirai, Kazuya Watanabe, Akihiko Kudo, Toshiki Sugimoto & Yoshiyasu Matsumoto;

J. Phys. Chem. C 118, 10972–10979 (2014)

DOI: 10.1021/jp502775y

55. Effects of Rotational-Symmetry Breaking on Physisorption of Ortho- and Para-H₂ on Ag(111)

Toshiki Sugimoto & Katsuyuki Fukutani;

Phys. Rev. Lett. 112, 146101 (2014)

DOI: 10.1103/physrevlett.112.146101

• – Featured in Research Highlights of Asia Pacific Physics Newsletter(World Scientific) 3 , 29 (2014).
  – Featured in Advances in Engineering, January 27 2015.

56. Ultrafast Exciton Dynamics in Dinaphtho[2,3-b:2’3’-f]thieno[3,2-b]-thiophene Thin Films

Yuuta Ishino, Kiyoshi Miyata, Toshiki Sugimoto, Kazuya Watanabe, Yoshiyasu Matsumoto, Takafumi Uemura & Jun Takeya Phys. Chem. Chem. Phys. 16, 7501-7512 (2014) DOI:10.1039/c3cp54157f;

Phys. Chem. Chem. Phys. 16, 7501-7512 (2014)

DOI: 10.1039/c3cp54157f

57. Physisorption and ortho–para conversion of molecular hydrogen on solid surfaces

58. Analytical Formula for Calculating Adsorption Density of States on Chamber Surfaces from Measured Pressure Change

Kotaro Takeyasu, Toshiki Sugimoto & Katsuyuki Fukutani ;

J. Phys. Soc. Jpn. 82, 114602 (2013)

DOI: 10.7566/jpsj.82.114602

59. Electron–phonon coupling dynamics at oxygen evolution sites of visible-light-driven photocatalyst: Bismuth vanadate

Norihiro Aiga, Qingxin Jia, Kazuya Watanabe, Akihiko Kudo, Toshiki Sugimoto & Yoshiyasu Matsumoto;

J. Phys. Chem. C 117, 9881-9886 (2013)

DOI: 10.1021/jp4013027

60. Gas dynamics in the vacuum chamber with a single adsorption site on the Wall Surface: Origin of the exponential pressure decay with the time constant of sub-kilo seconds

Toshiki Sugimoto, Kotaro Takeyasu & Katsuyuki Fukutani ;

J. Vac. Soc. Jpn. 56, 322-329 (2013)

DOI: 10.3131/jvsj2.56.322

61. Analysis of a pumping curve of water with the conversion equation from pressure to adsorption density of states

62. Rotational spectroscopy of HD by laser-induced fluorescence

Qingyang Wang, Toshiki Sugimoto & Katsuyuki Fukutani ;

Seisankenkyu 64, 807-810 (2012)

DOI: 10.11188/seisankenkyu.64.807

63. Low-temperature surface phase and phase transition of physisorbed oxygen on the Ag(111) surface

64. Electric-Field induced nuclear-spin flips mediated by enhanced spin orbit coupling

Toshiki Sugimoto & Katsuyuki Fukutani;

Nature Phys. 7, 307-310 (2011)

DOI: 10.1038/nphys1883

65. The reflection operation and the Σ- term of linear molecules

66. Problem of gas dose with micro-capillary array

Toshiki Sugimoto, Tatsuo Okano & Katsuyuki Fukutani;

J. Vac. Soc. Jpn. 52, 141-144 (2009)

DOI: 10.3131/jvsj2.52.141