Impact of Illumination on Charge Injection and Accumulation in Organic Transistor in Presence of Plasmonic Nanoparticles

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概要

• 論文の詳細を見る

• Effects of illumination on the carrier injection and transport due to photogenerated carriers were investigated in pentacene organic field-effect transistor (OFET). A plasmonic nanoparticles self-assembled monolayer (SAM) was incorporated in pentacene FET to act to enhance the photo-carrier generation. The influence of nanoparticles (NPs) on the photogeneration as well as on the charge trapping has been investigated using the current--voltage (I--V) and impedance spectroscopy (IS) measurements. The I--V results proved higher amount of photogenerated charge in presence of NPs even though this device has the contact resistance about two orders higher and effective mobility an order lower than the reference device without plasmonic NPs. The IS analysis of relaxation times verified strong influence of NPs on the charge trapping.

• 2013-04-25

著者

• Manaka Takaaki

  Department Of Physical Electronics Graduate School Of Science And Engineering Tokyo Institute Of Tec

• Iwamoto Mitsumasa

  Department Of Electrical And Electronic Engineering

• Taguchi Dai

  Department Of Physical Electronics Tokyo Institute Of Technology

• Chen Xiangyu

  Department Of Physical Electronics Tokyo Institute Of Technology

• WEIS Martin

  Institute of Electronics and Photonics, Slovak University of Technology

• Lee Keanchuan

  Department of Physical Electronics, Tokyo Institute of Technology, 2-12-1 S3-33 O-okayama, Meguro, Tokyo 152-8552, Japan

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