High performance biosensor based on RGO/ZnO thin film transistor
2018 IEEE SENSORS, 2018•ieeexplore.ieee.org
This paper demonstrates the biosensing performance of graphene (RGO)/zinc oxide (ZnO)
hybrid thin film transistor (TFT). The high mobility coupled with appreciable on/off ratio
enables the detection of Hep-B surface antigen (HBsAg) down to 0.1 fM in high ionic
strength buffer, not only with a sensitivity of 60% but also with a high signal to noise ratio
(SNR) of 21.5 dB.
hybrid thin film transistor (TFT). The high mobility coupled with appreciable on/off ratio
enables the detection of Hep-B surface antigen (HBsAg) down to 0.1 fM in high ionic
strength buffer, not only with a sensitivity of 60% but also with a high signal to noise ratio
(SNR) of 21.5 dB.
This paper demonstrates the biosensing performance of graphene (RGO)/zinc oxide (ZnO) hybrid thin film transistor (TFT). The high mobility coupled with appreciable on/off ratio enables the detection of Hep-B surface antigen(HBsAg) down to 0.1 fM in high ionic strength buffer, not only with a sensitivity of 60% but also with a high signal to noise ratio(SNR) of 21.5 dB.
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