日本千叶大学Nobuo Ueno教授10月28日上午学术报告

发布时间:2014-10-17访问量:29设置

报告人:Nobuo Ueno 教授

 

Graduate School of Advanced Integration Science

Chiba University

 

题目:  On the nature of organic semiconductors: UPS for organic electrical conductivity

时间:20141028(星期二)上午10:00

地点:909号楼B会议室(Conference Room B, 909-1F)

 

摘要:

What is the key difference between organic and inorganic semiconductors from scientific concept? This has been the most difficult question and hard to give clear answer, although organic semiconductors are already in commercial use as various organic devices.

In this talk I will discuss universal features of molecular crystals as the nature of organic semiconductor in relation to electrical conduction. I will therefore talk UPS studies of organic electronic states with high accuracy and precision and bridge these states and charge conduction. The UPS results offer evidences of peculiar electronic states, which reflect features of molecular crystals and are largely different from those of inorganic counterparts. 

The UPS is now available as a unique tool for obtaining necessary physical parameters of the conductivity as well as unraveling origins of mysterious charge transport properties of organic-based devices in the interface region and the bulk.

 

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