Carrier mobility for organic semiconductors: reduction of noise of the short part drift time in the time of flight mobility method.

Carrier mobility for organic semiconductors: reduction of noise of the short part drift time in the time of flight mobility method. Research Abstract Details 

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Carrier mobility for organic semiconductors: reduction of noise of the short part drift time in the time of flight mobility method. Abstract Text:

Ken Kashima,Hiroshi Sato,Kiyoshi Musha,Ken-Ichiro Kanno,Tamotsu Takahashi,Ken Kashima,Hiroshi Sato,Kiyoshi Musha,Ken-Ichiro Kanno,Tamotsu Takahashi,Ken Kashima,Hiroshi Sato,Kiyoshi Musha,Ken-Ichiro Kanno,Tamotsu Takahashi,

Measurements of time of flight (TOF) mobility of organic semiconductors become difficult when the mobility values are high, since the electronic signals overlap with the noise of the short part in drift time. Such noise of the short part in the drift time in the TOF method for measurements of carrier mobility was reduced by three methods: (1) longer distance (3.5 m) between sample and the N(2) laser, (2) optical connection (photo coupler) between the N(2) laser and the pulse generator, and (3) using a digital filter to remove characteristic pulses caused by N(2) laser. Each method showed significant reduction of the noise. When all three methods were applied, 94% of the noise was reduced. The measurement of TOF mobility was demonstrated with TPD (N,N'-diphenyl-N,N'-di(meta-tolyl)benzidine) film. Electronic signals in TOF measurements were clearly observed and the TOF mobility was determined to be 9.0 x 10(-4) cm(2)/V s.

Carrier mobility for organic semiconductors: reduction of noise of the short part drift time in the time of flight mobility method. Publishing Authors By Initials

K Kashima,H Sato,K Musha,K Kanno,T Takahashi,K Kashima,H Sato,K Musha,K Kanno,T Takahashi,K Kashima,H Sato,K Musha,K Kanno,T Takahashi,

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Carrier mobility for organic semiconductors: reduction of noise of the short part drift time in the time of flight mobility method. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Analytical sciences : the international journal of

VOLUME: 23

Page Numbers: 1249-51

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ISSN: 0910-6340

DAY: 11

MONTH: Oct

YEAR: 2007

Carrier mobility for organic semiconductors: reduction of noise of the short part drift time in the time of flight mobility method. Information

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LANGUAGE: eng

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AFFILIATION: Catalysis Research Center and Graduate School of Life Science, Hokkaido University, Sapporo 001-0021, Japan.

Country: Japan

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MEDLINETA: Anal Sci

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