Effects of gold nanoparticles on pentacene organic field-effect transistors
書誌事項
- タイトル別名
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- Effects of gold nanoparticles on pentacene organic field effect transistors
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<jats:p> The effect of gold nanoparticles (NPs) on pentacene organic field-effect transistors (OFETs) was being investigated by both DC and AC methods, which are current–voltage (<jats:italic>I</jats:italic>–<jats:italic>V</jats:italic>) measurements in steady-state and impedance spectroscopy (IS) respectively. Here poly(vinyl alcohol) (PVA) and PVA blended with Au NPs as composite are spin-coated on SiO<jats:sub>2</jats:sub> as gate-insulator for top-contact pentacene OFET. The characteristics of the device were being investigated based on the contact resistance, trapped charges, effective mobility and threshold voltage based on transfer characteristics of OFET. Results revealed that OFET with NPs exhibited larger hysteresis and higher contact resistance at high voltage region. IS measurements were performed and the fitting of results by the Maxwell–Wagner equivalent circuit showed that for device with NPs a series of capacitance and resistance which represents trapping must be introduced in order to have agreeable fitting. The fitting had helped to clarify the reason behind the higher contact resistance and bigger hysteresis which was mainly caused by the space charge field formed by the traps when Au NPs were introduced into the device. </jats:p>
収録刊行物
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- Japanese journal of applied physics : JJAP
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Japanese journal of applied physics : JJAP 50 (4), 041601-, 2011-04
Tokyo : The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1520572358292864256
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- NII論文ID
- 40018800874
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- NII書誌ID
- AA12295836
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- ISSN
- 00214922
- 13474065
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- NDL書誌ID
- 11075423
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- 本文言語コード
- en
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- NDL 雑誌分類
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- ZM35(科学技術--物理学)
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- データソース種別
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- NDL
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