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- Yoon, Tae-Sik
- Nano Semiconductor Research Lab.
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Electrical Charging Characteristics of Au NPs Embedded by Sequence Specific Complementary DNA Hybridization in Metal-pentacene-insulator-silicon Device
- Author(s)
- Kim, Yejin, Kim, Minkeun, Jung, Hunsang, Choi, Young-Jin, Kang, Chi Jung, Yoon, Tae-Sik, Lee, Hyun Ho
- Issued Date
- 2014-12
- Citation
- BIOCHIP JOURNAL, v.8, no.4, pp.275 - 281
- Abstract
- It was demonstrated that an organic device structure using self-assembly monolayers (SAMs) gold nanoparticles (Au NPs) formed by complementary hybridization between probe DNA and target DNA. The device was fabricated in a form of metal-pentacene-insulator-silicon capacitor. Dielectric SiO2 layer was modified with 3-glycidylpropyl-trimethoxysilane (GPTMS) for SAMs formation of amine terminated probe oligo-DNA. The Au NPs conjugated by thiol terminated target oligo-DNA were charging elements, which were complementarily hybridized on the probe DNA SAMs. Capacitance versus voltage (C-V) curves exhibited flat-band voltage shifts, which demonstrated the presence of charging effect. Charging behavior showed volatile effect which potentially was targeted to sensor application and utilization of DNA as material for biomolecule-based electronic device.
- Publisher
- KOREAN BIOCHIP SOCIETY-KBCS
- ISSN
- 1976-0280
- Keyword (Author)
- Organic memory device, Self-assembly monolayer, DNA hybridization, Au NPs
- Keyword
- MEMORY DEVICE, IMMOBILIZATION, BINDING, SURFACE, CHIP
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