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2017.05.29 09:56

[Thu. 1 Jun. 2017] Prof. Jong-Man Kim/Department of Chemical Engineering, Hanyang University, Seoul, Korea

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Speaker Prof. Jong-Man Kim
Date Thu. 1 Jun. 2017
Time 5:00pm
Venue #633, Asan Hall, College of Science

“Stimulus-Responsive Organic Nanotubes”

 

Tubular materials formed by self-assembly of small organic molecules find great utility in chemical and material science. Conventional tubular structures often lack stability because noncovalent molecular interactions are responsible for their conformational integrities. We have developed covalently-linked chromogenic organic nanotubes which are prepared by using topochemical polymerization of self-assembled macrocyclic diacetylenes (MCDAs). Crystal structures of five MCDAs having different diameters were elucidated and four of these substances were transformed to tubular polydiacetylenes (PDA) by UV-induced polymerization. Surprisingly, MCDA-1 was found to self-assemble in stacks with a tilt angle of 62.1o, which significantly deviates from the optimal value for polymerization of 45o. This observation suggests that geometric parameters derived using linear diacetylene (DA) models might not be strictly applicable to polymerization of MCDA systems. The observations made and information obtained in this study should enhance the understanding and design of stimulus-responsive rigid organic nanotubes.

 

 

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References

1. S. Rondeau.-Gagne, J. R. Neabo, M. Desroches, J. Larouche, J. Brisson, J.-F. Morin. J. Am. Chem. Soc., 2013, 135, 110-113

2. M. Suzuki, J. F. K. Kotyk, S. I. Khan, and Y. Rubin. J. Am. Chem. Soc., 2016, 138, 5939-5956

3. J.-M. Heo, Y. Kim, S. H, J. F. J, S.-h. Han, S. Han, J. Noh, J. Kim, S. Park, H. Lee, Y. M. choi, Y.-S. Jung, and J.-M. Kim. Macromolecules. 2017, 50, 900-913

 

 

Prof. Jong-Man Kim

Department of Chemical Engineering, Hanyang University, Seoul, Korea


List of Articles
No. Subject Speaker Date
Notice Spring semester 2017 Seminar Schedule file - -
32 7th Jilin-Korea-Waseda Alliance Annual Symposium file - August 17 ~ 19, 2017
31 [Wed. 5 July. 2017] Seminar was canceled! - -
30 [Fri. 16 Jun. 2017] Prof. Martin Thuo/Department of Materials Science and Engineering, Iowa State University, USA Prof. Martin Thuo Fri. 16 Jun. 2017
29 [Thu. 8 Jun. 2017] Prof. Won-jin Chung/Department of Chemistry, GIST, Gwangju, Republic of Korea Prof. Won-jin Chung Thu. 8 Jun. 2017
» [Thu. 1 Jun. 2017] Prof. Jong-Man Kim/Department of Chemical Engineering, Hanyang University, Seoul, Korea Prof. Jong-Man Kim Thu. 1 Jun. 2017
27 [Thu. 25 May. 2017] Prof. Wonsuk Kim/Department of Chemistry and Nano Science, Ewha Womans University, Seoul Prof. Wonsuk Kim Thu. 25 May. 2017
26 [Thu. 18 May. 2017] Student Host Colloquium : 1,1-Bisborylalkane: New Class of Organoboron Compound for the Chemo, Regio and Stereoselective Organic Transformations Prof. Seung Hwan Cho Thu. 18 May. 2017
25 [Thu. 11 May. 2017] Prof. Andreas Heinrich/IBS Research, Center for Quantum Nanoscience, Seoul, South Korea Prof. Andreas Heinrich Thu. 11 May. 2017
24 [Thu. 27 Apr. 2017] Seminar was canceled! - -
23 [Thu. 13 Apr. 2017] Dr. Wan Ki Bae/Photoelectronic Hybrid Research Center, Korea Institute of Science and Technology, Seoul, Korea Dr. Wan Ki Bae Thu. 13 Apr. 2017
22 [Thu. 6 Apr. 2017] Prof. Rong-Jie Chein/Institute of Chemistry, Academia Sinica, Nankang, Taipei, Taiwan Prof. Rong-Jie Chein Thu. 6 Apr. 2017
21 [Thu. 30 Mar. 2017] Prof. Jeong Ho Cho/SKKU Advanced Institute of Nanotechnology (SAINT), School of Chemical Engineering, Sungkyunkwan University, Suwon, Korea Prof. Jeong Ho Cho Thu. 30 Mar. 2017
20 [Thu. 23 Mar. 2017] Prof. Sangsu Bae/Department of Chemistry, Hanyang University, Seoul, South Korea Prof. Sangsu Bae Thu. 23 Mar. 2017
19 [Fri. 17 Mar. 2017] 9th RINS Symposium file - Fri. 17 Mar. 2017
18 [Thu. 9 Mar. 2017] Prof. Woon Ju Song/Department of Chemistry, Seoul National University, Seoul, Korea Prof. Woon Ju Song Thu. 9 Mar. 2017
17 [Mon. 9 Jan. 2017] Prof. Sungwook Woo/Wyss Institute for Biologically Inspired Engineering, Harvard University, USA Prof. Sungwook Woo Mon. 9 Jan. 2017
16 [Wed. 28 Dec. 2016] Prof. James Y. Hamilton/Development of a Broad Range of Asymmetric C–C Bond Forming Reactions with a Versatile Iridium Catalyst file Prof. James Y. Hamilton Wednesday 28 December 2016
15 [Thu. 1 Dec. 2016] Prof. Sang-Yong Ju/Highly Pure Carbon Nanotubes sorted by a Flavin for Thin Film Transistor Applications Prof. Sang-Yong Ju Thursday 1 December 2016
14 [Thu. 17 Nov. 2016] Prof. Seunghoon Shin/Synthetic Methods Development based on Rational Analysis of Intermediates file Prof. Seunghoon Shin Thursday 17 November 2016
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