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2019.09.18 13:16

[September 19. 2019] Monitoring photo-chemical reaction with Raman spectroscopy

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Speaker Prof. Choi Han-Kyu (Kunsan National University)
Date Thu. 19 September. 2019
Time 5:00pm
Venue #331, Asan Hall, College of Science

Monitoring photo-chemical reaction with Raman spectroscopy

 

Raman based optical spectroscopic techniques enable us to characterize a tremendous chemicals and identify structural information based on their intrinsic vibrational frequency. Since their own capability, these tools have attracted considerable attention in various research field. It is highly desirable for monitoring chemical reaction in real-time; however, it can be challenging to catch reaction intermediate due to its short lifetime. In this talk, we demonstrate that molecular intermediate could be detected at Au nanoparticle/molecule/Ag thin-film junction, using surface-enhanced Raman spectroscopy (SERS). In addition, we could verify the coloring and bleaching mechanism of photoelectrochromic device, using micro-Raman spectroscopy. These techniques could be used to a variety of applications.

 

References

[1] Choi, H.-K.; Park, W.-H.; Park, C.-G.; Shin, H.-H.; Lee, K. S.; Kim, Z. H. Metal-catalyzed chemical reaction of single molecules directly probed by vibrational spectroscopy. J. Am. Chem. Soc. 2016, 138, 4673-4684

[2] Choi, H.-K.; Lee, K. S.; Shin, H.-H.; Kim, Z. H. Identification of the first elementary step in the photocatalytic reduction of nitrobenzenethiols on a metallic surface. J. Phys. Chem. Lett. 2016, 7, 4099-4104

 

20190919_대학원세미나_최한규 교수.pdf


List of Articles
No. Subject Speaker Date
Notice Spring semester 2019 Seminar Schedule file - -
68 [October 15. 2019] A more sustainable chemistry with elemental sulfur file Dr. Thanh Binh Nguyen(Institut of Natural Product Chemistry) Tue. 15 October. 2019
» [September 19. 2019] Monitoring photo-chemical reaction with Raman spectroscopy file Prof. Choi Han-Kyu (Kunsan National University) Thu. 19 September. 2019
66 [August 14. 2019] Principle of Semiconductor Quantum Cascade Laser and It’s Application to Chemical Gas Detection file Dr. Byeong-il Seo(Agency for Defense Development) Wed. 14 August. 2019
65 [July 11. 2019] Coordination Chemistry in 19F Magnetic Resonance Imaging: Agents for Illuminating Biological Environments in Vitro and in Vivo file Prof. Emily Que(The University of Texas at Austin) Thu. 11 July. 2019
64 [May 30. 2019] Palladium-Catalyzed Deprotonative Arylation of Azaarylmethyl Derivatives file Prof. Byeong-Seon Kim (Gyeongsang National University) Thu. 30 May. 2019
63 [May 23. 2019] Molecular Engineering for Organic Electronics and Synchrotron X-rays Prof. Hyojung Kim (Pusan National University) Thu. 23 May. 2019
62 [May 16. 2019] Nano Structure Analysis by Synchrotron Small Angle X-ray Scattering Technique Dr. Hyungjoo-An (Pohang Accelerator Laboratory) Thu. 16 May. 2019
61 [May 9. 2019] Chemistry in Molecular Vessels file Prof. Partha Sarathi Mukherjee Thu. 9 May. 2019
60 [May 2. 2019] Theoretical studies of organic molecules in OLEDs: From chemical stability to the excited-state nature Prof. Dongwook-kim (Kyonggi University) Thu. 2 May. 2019
59 [April 25. 2019] Colorful World of Quantum Dots Prof. Sungjee Kim (Pohang University of Science & Technology) Thu. 25 Apr. 2019
58 [April 4. 2019] Rational Design of Solid-State Materials with Asymmetric Coordination Environment Prof. Kang Min Ok (Sogang University) Thu. 4 Apr. 2019
57 [March 28. 2019] NMR Structural Studies of engineered novel antimicrobial peptides Prof. Yongae Kim (Hankuk University of Foreign Studies) Thu. 28 Mar. 2019
56 [March 21, 2019] Nanomaterials Design for Energy Conversion and Storage Prof. Jong-Hyuk Park (Yonsei University) Thu. 21 Mar. 2019
55 [March 27, 2019] Hyperpolarization Researches with NV center, 129Xe and Parahydrogen file Prof. Keunhong Jeong March 27, 2019
54 [March 20, 2019] Challenges in molecular dynamics simulations of unfolded proteins and protein-DNA complexes file Dr. Jejoong Yoo March 20, 2019
53 [March 5. 2019] Innovation@Agilent file Dr. Darlene Solomon (Agilent Technologies Inc.) Tuesday. 5 March. 2019
52 [March 5. 2019] Prof. Michael J. Sailor/Treatment of S. aureus Bacterial Infections with Porous Silicon Nanoparticles Prof. Michael J. Sailor (UC San Diego) Tuesday. 5 March. 2019
51 [Thu. 6 Dec. 2018] Prof. Dong-Ho Kim/Department of Chemistry, Yonsei University, Seoul, Korea Prof. Dong-Ho Kim (Yonsei University) Thu. 6 Dec. 2018
50 Fall semester 2018 Seminar Schedule file - -
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