Achievement

Papers 

(*: first-author papers, †: corresponding author papers)
1.  S. Hasebe, Y. Hagiwara, T. Asahi, H. Koshima, Photomechanical motion of three polymorphic salicylideneaniline crystals with distinct bending directions, speeds, and repeatability, Bull. Chem. Soc. Jpn. 2025 uoaf032

*†2. Y. Hagiwara, G. Schweicher, S. Das, S. Hasebe, T. Asahi, H. Koshima, Y. Geerts,  Control of Polymorphism and Alignment in Photochromic Salicylideneaniline Crystals Grown by Directional Crystallization, Cryst. Growth Des. 2025, 25, 2090–2098.

3. S. Hasebe, Y. Hagiwara, T. Asahi, H. Koshima, Actuation Performance and Versatility of Photothermally Driven Organic Crystals (Minireview), Angew. Chem. Int. Ed. 2024, e202418570.

4. S. Hasebe, Y. Hagiwara, T. Goto, T. Ryu, T. Ehara, T. Ogawa, K. Miyata, K. Onda, R. Morioka, J. Morikawa, T. Asahi, H. Koshima, Broad-Wavelength Light-Fueled Organic Crystal Oscillators Driven by Multimodal Photothermally Resonated Natural Vibration, Adv. Funct. Mater., 2024, 2410671.

*5. Y. Hagiwara, A. Takanabe, T. Asahi, H. Koshima, Photo-triggered Phase Transition of Crystals and Photoactuation, Chem. Eur. J., 2024, e202401590.

*6. S. Hasebe#, Y. Hagiwara#, T. Ueno, T. Asahi, H. Koshima, Negative to Positive Axial Thermal Expansion Switching of an Organic Crystal: Contribution to Multistep Photoactuation, Chem. Sci., 2024, 15, 1088-1097.  

(#: co-first author) 

*7. D. W. Kim#, Y. Hagiwara#, S. Hasebe, N. O. Dogan, M. Zhang, T. Asahi, H. Koshima, M. Sitti, Broad-Wavelength Light-Driven High-Speed Hybrid Crystal Actuators Actuated Inside Tissue-Like Phantoms, Adv. Funct. Mater., 2023, 33, 2305916. (#: co-first author) 

8. W. M. Awad, D. W. Davies, D. Kitagawa, J. M. Halabi, M. B. Al-Handawi, I. Tahir, F. Tong, G. Campillo-Alvarado, A. G. Shtukenberg, T. Alkhidir, Y. Hagiwara, M. Almehairbi, L. Lan, S. Hasebe, D. P. Karothu, S. Mohamed, H. Koshima, S. Kobatake, Y. Diao, R. Chandrasekar, H. Zhang, C. C. Sun, C. Barden, B. O. Al-Kaysi, B. Kahr, P. Naumov,  Mechanical properties and peculiarities of molecular crystals (Review), Chem. Soc. Rev., 2023, 52, 3098-3169.

*9. Y. Hagiwara, S. Hasebe, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima,  Photothermally induced natural vibration for versatile and high-speed actuation of crystals, Nat. Commun., 2023, 14, 1354.

10. S. Hasebe, Y. Hagiwara, K. Hirata, T. Asahi, H. Koshima, Crystal actuation switching by crystal thickness and light wavelength, Mater. Adv., 2022,3, 7098-7106.

11. S. Hasebe, Y. Hagiwara, K. Takechi, T. Katayama, A. Furube, T. Asahi, H. Koshima, Polymorph-Derived Diversification of Crystal Actuation by Photoisomerization and the Photothermal Effect, Chem. Mater., 2022, 34, 1315-1324.

12. H. Koshima, S. Hasebe, Y. Hagiwara, T. Asahi, Mechanically Responsive Organic Crystals by Light (Review), Isr. J. Chem., 2021, 61, 683-696.

13. S. Hasebe, Y. Hagiwara, J. Komiya, M. Ryu, H. Fujisawa, J. Morikawa, T. Katayama, D. Yamanaka, A. Furube, H. Sato, T. Asahi, H. Koshima, J. Am. Chem. Soc., Photothermally Driven High-Speed Crystal Actuation and Its Simulation, 2021, 143, 8866-8877.

14. K. Ishizaki, R. Sugimoto, Y. Hagiwara, H. Koshima, T. Taniguchi, T. Asahi, Actuation Performance of a Photo-bending Crystal Modeled by Machine Learning-based Regression, CrystEngComm, 2021, 23, 5839–5847.

*15. Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, Crystal actuator based on a thermal phase transition and photothermal effect,  J. Mater. Chem. C, 2020, 8, 4876–4884.

16. T. Taniguchi, H. Sato, Y. Hagiwara, T. Asahi, H. Koshima, Photo-triggered phase transition of a crystal, Commun. Chem., 2019, 2, 19.

Presentations

[Oral, International conference]

1.         Molecular crystal actuators based on photothermally driven natural vibration , paper-117, July 2–4,  International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS 2024), Delft, Netherlands.

2.         Photothermally driven natural vibration of molecular crystal actuators 

Y. Hagiwara, S. Hasebe, H. Fujisawa, J. Morikawa, T. Asahi, H.Koshima, S9-21-CL, July 23–28, 2023, The 31st International Conference on Photochemistry (ICP2023), Sapporo, Japan. 

3.         Versatile high-speed crystal photoactuators based on resonated natural vibration

Y. Hagiwara, S. Hasebe, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, June 5, 2023, The 3rd Workshop on Soft Robotics, Tokyo, Japan. (Invited Lecture)

4.         Light-Driven Crystal Actuation

H. Koshima, Y. Hagiwara, S. Hasebe, July 3–8, 2022, 25th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXV 2022), Ohrid, Macedonia. (Invited Lecture, on behalf of Dr. H. Koshima)

5.         Photothermally driven crystal actuators

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 3410433, December 16–21, 2021, Pacifichem 2021, Online.

6.         Crystal motion induced by photo-triggered phase transition

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 3417671, December 16–21, 2021, Pacifichem 2021, Online.

7.         Crystal locomotion driven by photo-triggered phase transition

Y. Hagiwara, A. Takanabe, T. Asahi, H. Koshima, MS-100, August 14–22, 2021, IUCr2021, Online.

8.         Soft Crystals as Photomobile Materials

Y. Hagiwara, October 2–4, 2019, 2nd International Workshop on Active Matter for Soft Robotics, Brussels & Mons, Belgium. (Invited Lecture)

9.         Thermal Phase Transition and Mechanical Motion of a Photochromic Salicylideneaniline Crystal

Y. Hagiwara, March 12, 2019, 1st International Workshop on Active Matter for Soft Robotics, Tokyo, Japan. (Invited Lecture)

[Poster, International Conference]

1.       Photothermally Driven High-Speed Crystal Actuation

Y. Hagiwara, S. Hasebe, T. Asahi, H. Koshima, P-2, July 3–8, 2022, 25th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXV 2022), Ohrid, Macedonia.

2.       Crystal actuation induced by thermal phase transition and photothermal effect

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 3411844, December 16–21, 2021, Pacifichem 2021, Online.

3.       Photothermally Induced Fast Bending and Natural Vibration of Anisole Crystals

Y. Hagiwara, S. Hasebe, M. Ryu, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, P-05-6, November 1–4, 2021, Asian Photochemistry Conference (APC) 2021, Online.

4.       Mechanical Motions of Photochromic Chiral Salicylideneamine Crystals Induced by Photo-triggered Phase Transition

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, P-06, October 31–November 2, 2020, Molecular Chirality Asia 2020, Online.

5.       Photo-triggered Phase Transition of Photochromic Salicylideneamine Crystals

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, P-32, June 16–21, 2019, 24th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXIV 2019), New York, USA.

6.       Mechanical Motion of Photochromic Salicylideneaniline Crystals by Phase Transition

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, Tue-04, December 17–20, 2018, 10th Asian Photochemistry Conference (APC2018), Taipei, Taiwan.

[Oral, Domestic Conference]

1.         High-speed resonated natural vibration of photothermally driven crystal actuators

Y. Hagiwara, S. Hasebe, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, O-1, June 9–11, 2023, 44th Youth Meeting on Photochemistry, Awaji, Japan.

2.         Near-infrared Light Induced Mechanical Motions of Organic Crystals Coated with Photothermal Conversion Materials

Y. Hagiwara, D. W. Kim, S. Hasebe, M. Zhang, T. Asahi, H. Koshima, M. Sitti, K303-2am-03, March 22–25, 2023, The 103rd CSJ Annual Meeting, Noda, Japan.

3.         High-speed Natural Vibration of Anisole Crystals Driven by Photothermal Effect

Y. Hagiwara, S. Hasebe, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, 1D08, September 13–15, 2022, 

Photothermally driven crystal actuation and its simulation Annual Meeting on Photochemistry 2022, Online.

4.         Y. Hagiwara, S. Hasebe, M. Ryu, H. Fujisawa, J. Morikawa, T. Katayama, A. Furube, T. Asahi, H. Koshima, C111, October 25–27, 2021, The 42nd Japan Symposium on Thermophysical Properties, Online.

5.         Development of high-speed crystal actuator using photothermal effect and natural vibration

Y. Hagiwara, S. Hasebe, M. Ryu, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, H2-17, October 19–21, 2021, The 11th CSJ Chemistry Festa 2021, Online.

6.         High-speed bending and natural vibration of anisole crystals by photothermal effect

Y. Hagiwara, S. Hasebe, M. Ryu, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, O-3, September 27–28, 2021, The 29th Symposium of Organic Crystals, Online.

7.         Photothermally driven actuation of anisole crystals

Y. Hagiwara, M. Ryu, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, A20-4pm-13, March 19–22, 2021, The 101st CSJ Annual Meeting, Online.

8.         Photo-triggered phase transition of salicylideneamine crystal

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 3E4-07, March 22–25, 2020, The 100th CSJ Annual Meeting, Noda, Japan.

9.         Actuation of salicylideneaniline crystal by heat and light

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 1F2-16, March 22–25, 2020, The 100th CSJ Annual Meeting, Noda, Japan.

10.     Photo-triggered phase transition and various mechanical motions of salicylideneamine crystals

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, O-8, November 9–10, 2019, The 28th Symposium of Organic Crystals, Takamatsu, Japan.

11.     Photo-triggered Phase Transition and Mechanical Motion of Photochromic Salicylideneamine Crystals 

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 1B11, September 10–12, 2019, Annual Meeting on Photochemistry 2019, Nagoya, Japan.

12.     Phase transition and mechanical motion of a salicylideneamine crystal induced by heat and light

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 2D7-45, March 16–19, 2019, The 99th CSJ Annual Meeting, Kobe, Japan.

13.     Thermal phase transition of a photochromic salicylideneaniline crystal

Y. Hagiwara, T. Taniguchi, T. Asahi, H. Koshima, 2I7-38, March 16–19, 2019, The 99th CSJ Annual Meeting, Kobe, Japan.

[Poster, Domestic Conference]

1.          Development of high-speed organic crystal photoactuators toward application to soft robotics
Y. Hagiwara, S. Hasebe, T. Asahi, H. Koshima, P2-1vn-22, March 18–21, 2024, The 104th CSJ Annual Meeting, Funabashi, Japan. 

2.         High-speed resonated natural vibration of photothermally driven crystal actuators

Y. Hagiwara, S. Hasebe, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, P-30, June 9–11, 2023, 44th Youth Meeting on Photochemistry, Awaji, Japan.

3.         Development of high-speed crystal actuator using photothermal effect and natural vibration

Y. Hagiwara, S. Hasebe, M. Ryu, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, P2-082, October 19–21, 2021, The 11th CSJ Chemistry Festa 2021, Online.

4.         High-speed Natural Vibration of Crystals Induced and Resonated by Photothermal Effect

Y. Hagiwara, S. Hasebe, M. Ryu, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, 23a-P02-5, September 21–23, 2021, The 82nd JSAP Autumn Meeting 2021, Online.

5.         High-speed Bending of Anisole Crystals Based on Photothermal Effect and Natural Vibration

Y. Hagiwara, S. Hasebe, M. Ryu, H. Fujisawa, J. Morikawa, T. Asahi, H. Koshima, 1P50, September 14–16, 2021, Annual Meeting on Photochemistry 2021, Online.

6.         High-speed photothermally driven bending of anisole crystals

Y. Hagiwara, H. Fujisawa, J. Morikawa, M. Ryu, T. Asahi, H. Koshima, , P36, June 11–12, 2021, The 42th Young Researcher Association, Online.

7.         Development of high-speed mechanical crystals based on photothermal effect

Y. Hagiwara, T. Asahi, H. Koshima, P7-109, October 20–22, 2020, The 10th CSJ Chemistry Festa 2020, Online.

8.         Photothermally Driven Bending of Salicylideneaniline Crystals

Y. Hagiwara, T. Asahi, H. Koshima, 1P058, September 9–11, 2020, Annual Meeting on Photochemistry 2020, Online.

9.         Mechanical motions of salicylideneaniline crystals by photoisomerization and thermal phase transition

Y. Hagiwara, T. Taniguchi, H. Koshima, T. Asahi, P-62, October 27–28, 2018, The 27th Symposium of Organic Crystals, Higashiosaka, Japan.

10.         Mechanical Motions of Salicylideneaniline Crystals Induced by Light and Heat

Y. Hagiwara, T. Taniguchi, H. Koshima, T. Asahi, 1P086, September 5–7, 2018, Annual Meeting on Photochemistry 2018, Nishinomiya, Japan.

Grants

April 2024  – March 2026      JSPS Overseas Research Fellowships (202460317), Principal Investigator 

August 2022 – December 2022          JSPS Overseas Challenge Program for Young Researchers (202280198), Principal Investigator 

June 2021 – March 2022      Waseda Research Institute for Science and Engineering, Early Bird Program, Principal Investigator

April 2021 – March 2024     JSPS Research Fellowships for Young Scientists (21J20125), Principal Investigator

Awards

2024      Lecture Award (Industry), The 104th CSJ Annual Meeting. 

2023      The Royal Society of Chemistry: Chemical Science Award, 44th Youth Meeting on Photochemistry 

2023      Student Lecture Award, The 103rd CSJ Annual Meeting. 

2022      RSC Chemical Science Poster Prize, 25th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXV 2022) 

2022      The 11th Early Bird Young Researcher Encouragement Award, Waseda Research Institute of Science and Engineering 

2021      CSJ Chemistry Festa Doctoral Oral Award, 11th CSJ Chemistry Festa

2021      Best Poster Presentation Award, 11th CSJ Chemistry Festa 2021 

2021      The Best Short Oral (Poster) Award, Asian Photochemistry Conference

2020      Best Poster Presentation Award, 10th CSJ Chemistry Festa 2020 

2019      Best Student Presentation Award (Oral), Annual Meeting on Photochemistry 

2018      The APA-Edinburgh Instruments Sponsored Scholar, Asian Photochemistry Conference 2018

 

Others 

[1] Chairperson of the section "Micro/Nano Robots (I)", International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS 2024), Delft, Netherland.
[2] Co-chair of the section "Crystal under light and force", 25th International Conference on the Chemistry of the Organic Solid State (ICCOSS XXV 2022), Ofrid, Macedonia.