現代の科学技術を発展させるためには、学術的に新しい機能物質を創成することが重要です。先端材料化学研究室では、光化学、錯体化学、ナノ材料化学を基盤とした新しい機能物質の創成に関する教育＆研究を行っています。また、学術研究の推進だけでなく、応用に関する研究開発や社会連携も重要と考えています。
　これらの化学教育＆研究を通して、現代および未来社会に貢献することを目指しています。

＜専門分野＞
光化学、錯体化学、ナノ無機化学、有機機能材料
＜研究分野＞
●　光物理化学を基盤とした発光性金属錯体の研究開発
●　半導体ナノ結晶の合成および光物性評価
●　発光性金属錯体およびナノ結晶を用いた光学材料開発
＜所属学会＞
日本化学会、光化学協会、日本希土類学会、錯体化学会、高分子学会、レーザー学会、フッ素化学会、複合系の光機能研究会、基礎錯体工学研究会.

長谷川が執筆した本のリスト

化学も大好きですが、ここでは化学以外の趣味を紹介します。

お酒を楽しむ

ビール、ウイスキーをよく飲みます。
日本酒も好きです。みんなで楽しくお話しながら飲んだり、一人でじっくりお酒を味わうのもいいですね。
「酒は心の潤滑油」

音楽（シャズ、ボサノバ、洋楽ロック＆ポップス）

昔はギターも引いていました。好きなアーティストは、
ジャズ：オスカー・ピーターソンなど
ボサノバ：ジョビン、セルジオなど
洋楽ロック＆ポップス：ペットショップボーイズなど
ローリングストーンズのコンサートを見るために、はるかロンドンまで行ったことがあります。

手品

トランプを使った手品をやります。いろいろな技を修行中です。

山

夏山登りやスキーも大好きです。アウトドア（バーベQ）も楽しいですよね。

SF

SF小説やSF映画マニアです。宇宙もの、タイムトラベルもの、サイバーもの、バイオもの、すべて好きです。

1992.3 Faculty of Engineering, Shizuoka University (BS)
1994.3 Garaduate School of Engineering, Shizuoka University (MS)
1997.3 Garaduate School of Engineering, Osaka University (Ph.D.)

1994.4 - 1999.11 New Japan Chemical Co. Ltd (Researcher)
1999.12 - 2005.3 Graduate School of Engineering, Osaka University (Assist.Professor and Campus lecturer)
2005.4 - 2010.3 Garaduate School of Materials Science, Nara Institute of Science and Technology (Assoc. Professor)
2010 - present Gaduate School of Engineering, Hokkaido University (Professor)

1999.6 Lecture Award to attend meeting of Chemical Society of Japan (CSJ)
2004.5 Young Award of Rare Earth Society of Japan
2006.9 The Japanese Photochemistry Association Prize for Young Scientist in 2006
2010.3 Academic Awards of NAIST in 2009

1) Development of luminescent metal complexes based on the photophysical chemitry
2) Preparation and photophysical analysis of semiconductor nanoparticles
3) Fabrication of photonic devices using luminescent metal cimplexes and nanoparticles

1) Y. Hasegawa, Y. Kimura, K. Murakoshi, Y. Wada, T. Yamanaka, J. Kim, N. Nakashima and S. Yanagida, Enhanced emission of duterated tris(hexafluoroacetylacetonato)neodymium(III) complex in solution by suppresion of radiationless transition via vibrational excitation,
J. Phys. Chem. 100, 10201 (1996). Cited 89 times
2) Y. Hasegawa, T. Ohkubo, K. Sogabe, Y. Kawamura, Y. Wada, N. Nakashima and S. Yanagida, Luminescence of novel neodymium sulfonylaminate in organic media
Angew. Chem., Int. Ed. 39, 357 (2000). Cited 124 times
3) Y. Wada, T. Okubo, M. Ryo, T. Nakazawa, Y. Hasegawa and S. Yanagida, High efficiency near-IR emission of Nd(III) based on low-vibrational environment in cages of nano-sized zeolites
J. Am. Chem. Soc. 122, 8583 (2000). Cited 90 times
4) Y. Hasegawa, S. Thongchant, Y. Wada, H. Tanaka, T. Kawai, T. Sakata, H. Mori and S. Yanagida, Enhaced luminescence and photomagnetic properties of surface-modified EuO nanocrystals
Angew. Chem., Int. Ed. 41, 2073 (2002). Cited 36 times
5) Y. Hasegawa, M. Yamamuro, Y. Wada, N. Kanehisa, Kai and S. Yanagida, Luminescent polymer containing the Eu(III) complex having fast radiation rate and high emission quantum efficiency
J. Phys. Chem. A 107, 1697 (2003). Cited 121 times
6) Y. Hasegawa, Y. Wada and S. Yanagida, Strategies for designing of luminescent lanthanide(III) complexes and their photonic applications
J. Photochem. Photobio. C Photochem. Rev. 5, 183 (2004). Cited 91 times
7) Y. Hasegawa, M. Afzaal, P. O'Brien, Y. Wada and S. Yanagida, A novel method for synthesizing EuS nanocrystals from single-source precursor under white LED irradiation
Chem. Commun. 14, 242 (2005). Cited 20 times
8) T. Kataoka, Y. Tsukahara, Y. Hasegawa and Y. Wada, Size-controlled synthesis of quantum-sized EuS nanoparticles and tuning of their Faraday rotation peak
Chem. Commun. 14, 6038 (2005).
9) Y. Hasegawa, T. Adachi, A. Tanaka, M. Afzaal, P. O'Brien, T. Doi, Y. Hinatsu, K. Fujita, K. Tanaka and T. Kawai, Remarkable magneto-optical properties of europium selenaide nanoparticles with wide energy gap
J. Am. Chem. Soc. 130, 5710 (2008). Cited 23 times
10) T. Nakagawa, Y. Hasegawa and T. Kawai, Wavelength-divided nondestructive readout capability in luminescence modulation of a photoresponsive lanthanide(III) complex
Chem. Commun. 37, 5630 (2009).

1) Y. Hasegawa, H. Kawai, K. Nakamura, N. Yasuda, Y. Wada and S. Yanagida, Moleculaer design of luminescent Eu(III) complexes as lanthanide lasing medium and their optical properties, Rare Earths '04, Japan (NARA), 2004, Abst. No. FI-05.
2) Y. Hasegawa, Radiative process control of asymmetric Eu(III) complexes for lanthanide lasing medium, Pacifichem 2005, USA (Hawaii), 2005, Abst. No. 153046.
3) Y, Hasegawa, Luminscent polymer containing Eu(III) complexes as lanthanide lasing medium, GIST/NAIST Joint symposium on Advanced Materials, Japan (NARA), 2006.
4) Y. Hasegawa, Polymer thin films containing symmetric Eu(III) complexes for lanthanide lasing medium, The 1st International Symposium on Luminescent Lanathanide Complexes (KISLLAM 2006), Korea (Daejeon), 2006.
5) Y. Hasegawa, Brilliant meterials constructed by rare-earth compounds with organic molecules, National Academics of Science & Engineering (NAS) and Japan Society for the Promotion of Science (JSPS), 10th annual Japanese-American Frontiers of Scinece Symposium (JAFoS), japan (Kanagawa), 2007.
6) Y. Hasegawa, Strategies for the design of luminescent lanthanide complexes, Global COE Program Center for Electronic Devices Innovation and Global seminar for Recent Development of Organic Devices and materials (I), Japan (Osaka) 2008.
7) Y. Hasegawa, Luminescent Polymer containing lanthanide complexes, 2nd International Symposium on Manipulation of Advanced Smart Materials (ISMAM2008), Japan (Hyogo), 2008.
8) Y. Hasegawa, Luminescence modulation in lanthanide(III) complex by coordination control of organic ligands, Asian International Symposium in Chemical Society of Japan, Japan (Chiba) 2009, Abst. No. 3F5-42.
9) Y. Hasegawa, Emission quantum yield measurements of luminescent lanthanide(III) complexes with narrow emission bands, 18th International Symposium on the photochemistry and Photophysics of coordination compounds (ISPPCC), Japan (Sapporo), 2009.
10) Y. Hasegawa, Brilliant Lantahnide Phosphors composed of Asymmetric Coordination Structures, International Symposium for Phosphor Materials 2009 in Niigata (Phosphor Safari), Japan (Niigata), 2009.
11) Y. Hasegawa, Characteristic Structures and Photophysical Properties of Europium(III) Complexes with Phosphine Oxides, Asian International Symposium in Chemical Society of Japan, Japan (Osaka) 2010, Abst. No. 3C4-38.
12) Y. Hasegawa, Luminescence Eu(III) complexes with asymmetric nide-coordination structures, International conference on frontier photoscience and functional materials (ICFPFM), Korea University (Sejoung), June 3-5, 2010.
13) Y. Hasegawa, T. Nakagawa, T. Kawai, "Luminescent lanthanide complexes with photo-switching units", First International Conference on Luminescence of Lanthanides (ICLL-1), Ukraine (Odessa), September 5-9, 2010.
14) Y. Hasegawa, "Europium chalcogenide nanocrystals with photo-magnetic properties", The 7th Korea-Japan Symposium on Frontier Photoscience 2010 (KJFP2010), Daegu, Korea, 2010, IL-21.
15) Y. Hasegawa, "Strong-luminescent materials containing asymmetric Eu(III) complexes", 17th Regional Symposium on Chemical Engineering (RSCE2010), Bangkok, Tailand, 2010, keynote lecture 4.