講演会のお知らせ

　
　
第１４回有機デバイスセミナーのお知らせです。
　　
　
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日時：７月２８日（月）１１：００〜１２：００
　
場所：9号館2階　会議室　200-1
　
題目：Optoelectronic Devices based on Organic Semiconductors and Inorganic Semiconductor Nanoparticles
　
講師：Department of Materials Science and Engineering
　　　 University of Florida
　　　Prof. Franky So
　
講演要旨：
Optoelectronic devices based on both organic semiconductors and inorganic semiconductor nanoparticles are attractive because these materials offer unique optical properties and can be processed on large area substrates. The presentation will be divided into two parts. First, we will present our results on high efficiency blue emitting phosphorescent light emitting devices. Specifically, we will show that many phosphorescent devices are hole dominant and the device performance is a strong function of the charge balance. By improving the electron transporting properties and the charge balance of the devices, substantially enhancement in device performance can be achieved. Second, we will present our results on light emitting devices and photodetectors using inorganic semiconductor quantum dots. In this part of the presentation, we will discuss the synthesis, the optical properties and the applications of these nanoparticles for optoelectronic devices. Specifically, we will show our recent device results using PbSe quantum dots for both near-infrared light emitting devices as well as photodetectors applications. We will also show how the presence of these quantum dots affects charge transport properties as well as the device performance.
　
　
　
　
　
　
　
　
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