Increasing organic vertical carrier mobility for the application of high speed bilayered organic photodetector

Wu Wei Tsai; Yu Chiang Chao; En Chen Chen; Hsiao Wen Zan; Hsin Fei Meng; Chain Shu Hsu

doi:10.1063/1.3263144

Increasing organic vertical carrier mobility for the application of high speed bilayered organic photodetector

Wu Wei Tsai, Yu Chiang Chao, En Chen Chen, Hsiao Wen Zan^*, Hsin Fei Meng, Chain Shu Hsu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

44 Citations (Scopus)

Abstract

The direct influence of the vertical carrier mobility on the frequency response of bilayered organic photodiodes (PDs) is investigated for the first time. With fullerene as the acceptor material, changing vertical hole mobility from 2.3 × 10^-5 to 2.8 × 10^-4 cm²/V s increases PD bandwidth from 10 to 80 MHz under a 4 V operation. The influence of deposition rate on vertical hole mobility of pentacene film is also discussed. Our results facilitate the application of bilayered organic PDs on the detection of very-high-frequency optical signals.

Original language	English
Article number	213308
Journal	Applied Physics Letters
Volume	95
Issue number	21
DOIs	https://doi.org/10.1063/1.3263144
Publication status	Published - 2009
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.3263144

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title = "Increasing organic vertical carrier mobility for the application of high speed bilayered organic photodetector",

abstract = "The direct influence of the vertical carrier mobility on the frequency response of bilayered organic photodiodes (PDs) is investigated for the first time. With fullerene as the acceptor material, changing vertical hole mobility from 2.3 × 10-5 to 2.8 × 10-4 cm2/V s increases PD bandwidth from 10 to 80 MHz under a 4 V operation. The influence of deposition rate on vertical hole mobility of pentacene film is also discussed. Our results facilitate the application of bilayered organic PDs on the detection of very-high-frequency optical signals.",

author = "Tsai, {Wu Wei} and Chao, {Yu Chiang} and Chen, {En Chen} and Zan, {Hsiao Wen} and Meng, {Hsin Fei} and Hsu, {Chain Shu}",

note = "Funding Information: This work was supported by the National Science Council of Taiwan under Contract No. NSC98-2628-M-009-001.",

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AU - Tsai, Wu Wei

AU - Chao, Yu Chiang

AU - Chen, En Chen

AU - Zan, Hsiao Wen

AU - Meng, Hsin Fei

AU - Hsu, Chain Shu

N1 - Funding Information: This work was supported by the National Science Council of Taiwan under Contract No. NSC98-2628-M-009-001.

PY - 2009

Y1 - 2009

N2 - The direct influence of the vertical carrier mobility on the frequency response of bilayered organic photodiodes (PDs) is investigated for the first time. With fullerene as the acceptor material, changing vertical hole mobility from 2.3 × 10-5 to 2.8 × 10-4 cm2/V s increases PD bandwidth from 10 to 80 MHz under a 4 V operation. The influence of deposition rate on vertical hole mobility of pentacene film is also discussed. Our results facilitate the application of bilayered organic PDs on the detection of very-high-frequency optical signals.

AB - The direct influence of the vertical carrier mobility on the frequency response of bilayered organic photodiodes (PDs) is investigated for the first time. With fullerene as the acceptor material, changing vertical hole mobility from 2.3 × 10-5 to 2.8 × 10-4 cm2/V s increases PD bandwidth from 10 to 80 MHz under a 4 V operation. The influence of deposition rate on vertical hole mobility of pentacene film is also discussed. Our results facilitate the application of bilayered organic PDs on the detection of very-high-frequency optical signals.

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Increasing organic vertical carrier mobility for the application of high speed bilayered organic photodetector

Abstract

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