SYMPOSIUMS & SEMINARS

73rd IROAST Seminar-Power of Vibrational Probes to Study Electrons in π-Conjugated Organic Molecules-held on February 6, 2020

Feb 06, 2020

Abstract
     Conjugated molecular chains have the potential to act as “molecular wires” that can be employed in a variety of technologies including organic solar cells, catalysis, and molecular electronics. Their successful application relies on the detailed understanding of the factors governing the electronic energy landscape and the dynamics of electrons in such molecules.
     In this seminar, I will discuss how vibrational probes can report behaviors of electrons in conjugated molecules. In the first part, I will present a series of works that demonstrate nitrile ν(C≡N) vibrations are exquisitely sensitive to the degree of electron delocalization and induced electric field in nitrile-substituted organic anions by utilizing time-resolved infrared (TRIR) detection combined with pulse radiolysis. In the second part, I will discuss the applications of this vibrational probe to uncover the behavior of electrons in photo-induced electron transfer processes and others. The resulting insights are guiding the design of more effective solar energy conversion devices.

Audience Dr. Mani
Organizer-Dr. Kuwahara Before the seminar-Meeting with Director Hiyama

 

73rd IROAST Seminar

Feb 6, 2020
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