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3D graphene–cobalt oxide electrode for high-performance supercapacitor and enzymeless glucose detection

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : 3D graphene–cobalt oxide electrode for high-performance supercapacitor and enzymeless glucose detection
นักวิจัย : Dong, Xiaochen , Xu, Hang , Wang, Xuewan , Huang, Yin-Xi , Chan-Park, Mary B. , Zhang, Hua , Wang, Lianhui , Huang, Wei , Chen, Peng
คำค้น : -
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Dong, X.-C., Xu, H., Wang, X.-W., Huang, Y.-X., Chan-Park, M. B., Zhang, H., et al. (2012). 3D Graphene–Cobalt Oxide Electrode for High-Performance Supercapacitor and Enzymeless Glucose Detection. ACS Nano, 6(4), 3206-3213. , 1936-0851 , http://hdl.handle.net/10220/10323 , http://dx.doi.org/10.1021/nn300097q
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : ACS nano
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Using a simple hydrothermal procedure, cobalt oxide (Co3O4) nanowires were in situ synthesized on three-dimensional (3D) graphene foam grown by chemical vapor deposition. The structure and morphology of the resulting 3D graphene/Co3O4 composites were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Raman spectroscopy. The 3D graphene/Co3O4 composite was used as the monolithic free-standing electrode for supercapacitor application and for enzymeless electrochemical detection of glucose. We demonstrate that it is capable of delivering high specific capacitance of 1100 F g–1 at a current density of 10 A g–1 with excellent cycling stability, and it can detect glucose with a ultrahigh sensitivity of 3.39 mA mM–1 cm–2 and a remarkable lower detection limit of <25 nM (S/N = 8.5).

บรรณานุกรม :
Dong, Xiaochen , Xu, Hang , Wang, Xuewan , Huang, Yin-Xi , Chan-Park, Mary B. , Zhang, Hua , Wang, Lianhui , Huang, Wei , Chen, Peng . (2555). 3D graphene–cobalt oxide electrode for high-performance supercapacitor and enzymeless glucose detection.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Dong, Xiaochen , Xu, Hang , Wang, Xuewan , Huang, Yin-Xi , Chan-Park, Mary B. , Zhang, Hua , Wang, Lianhui , Huang, Wei , Chen, Peng . 2555. "3D graphene–cobalt oxide electrode for high-performance supercapacitor and enzymeless glucose detection".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Dong, Xiaochen , Xu, Hang , Wang, Xuewan , Huang, Yin-Xi , Chan-Park, Mary B. , Zhang, Hua , Wang, Lianhui , Huang, Wei , Chen, Peng . "3D graphene–cobalt oxide electrode for high-performance supercapacitor and enzymeless glucose detection."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Dong, Xiaochen , Xu, Hang , Wang, Xuewan , Huang, Yin-Xi , Chan-Park, Mary B. , Zhang, Hua , Wang, Lianhui , Huang, Wei , Chen, Peng . 3D graphene–cobalt oxide electrode for high-performance supercapacitor and enzymeless glucose detection. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.