Abstract
A non-enzymatic biosensor was developed using boron-doped nanocrystalline diamond (BDND) based on a Cu electrode with Cu(OH) 2 dendritic architecture. The Cu(OH) 2 nanoflower electrode was covered with a BDND layer using an electrostatic self-assembly seeding method with nanodiamond particles and hot-filament chemical vapor deposition. X-ray diffraction and Raman spectral analysis confirmed that the BDND nanoflower electrode was synthesized onto Cu(OH) 2 nanoflowers. Field-emission scanning electron microscope images showed that the fabricated electrodes were nanoflowers possessing large surface areas. From cyclic voltammetry, the peak currents of an BDND/Cu(OH) 2/Cu electrode was about 7, 6.2, and 5.9 times higher than that of the Cu foil, Cu(OH) 2/Cu, and BDND/Cu electrodes, respectively. A biosensor based on BDND/Cu(OH) 2/Cu exhibited excellent performance for glucose detection, and it had a linear detection range of 0 to 6 mM, a correlation coefficient of 0.9994, a low detection limit of 9 μM, and a high sensitivity of 2.1592 mA mM - 1 cm - 1.
| Original language | English |
|---|---|
| Pages (from-to) | 7219-7223 |
| Number of pages | 5 |
| Journal | Thin Solid Films |
| Volume | 520 |
| Issue number | 24 |
| DOIs | |
| Publication status | Published - 2012 Oct 1 |
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Keywords
- Amperometric glucose sensor
- Boron-doped diamond
- Chemical vapor deposition
- Copper hydroxide
- Crystallization from solution
- Nanocrystalline diamond
- Nanostructures
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Materials Chemistry
- Metals and Alloys
- Surfaces, Coatings and Films
- Surfaces and Interfaces
Cite this
High-sensitivity non-enzymatic glucose biosensor based on Cu(OH) 2 nanoflower electrode covered with boron-doped nanocrystalline diamond layer. / Sim, Huijun; Kim, Jong Hoon; Lee, Seung Koo; Song, Min Jung; Yoon, Dong Hwa; Lim, Dae-Soon; Hong, Suk In.
In: Thin Solid Films, Vol. 520, No. 24, 01.10.2012, p. 7219-7223.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - High-sensitivity non-enzymatic glucose biosensor based on Cu(OH) 2 nanoflower electrode covered with boron-doped nanocrystalline diamond layer
AU - Sim, Huijun
AU - Kim, Jong Hoon
AU - Lee, Seung Koo
AU - Song, Min Jung
AU - Yoon, Dong Hwa
AU - Lim, Dae-Soon
AU - Hong, Suk In
PY - 2012/10/1
Y1 - 2012/10/1
N2 - A non-enzymatic biosensor was developed using boron-doped nanocrystalline diamond (BDND) based on a Cu electrode with Cu(OH) 2 dendritic architecture. The Cu(OH) 2 nanoflower electrode was covered with a BDND layer using an electrostatic self-assembly seeding method with nanodiamond particles and hot-filament chemical vapor deposition. X-ray diffraction and Raman spectral analysis confirmed that the BDND nanoflower electrode was synthesized onto Cu(OH) 2 nanoflowers. Field-emission scanning electron microscope images showed that the fabricated electrodes were nanoflowers possessing large surface areas. From cyclic voltammetry, the peak currents of an BDND/Cu(OH) 2/Cu electrode was about 7, 6.2, and 5.9 times higher than that of the Cu foil, Cu(OH) 2/Cu, and BDND/Cu electrodes, respectively. A biosensor based on BDND/Cu(OH) 2/Cu exhibited excellent performance for glucose detection, and it had a linear detection range of 0 to 6 mM, a correlation coefficient of 0.9994, a low detection limit of 9 μM, and a high sensitivity of 2.1592 mA mM - 1 cm - 1.
AB - A non-enzymatic biosensor was developed using boron-doped nanocrystalline diamond (BDND) based on a Cu electrode with Cu(OH) 2 dendritic architecture. The Cu(OH) 2 nanoflower electrode was covered with a BDND layer using an electrostatic self-assembly seeding method with nanodiamond particles and hot-filament chemical vapor deposition. X-ray diffraction and Raman spectral analysis confirmed that the BDND nanoflower electrode was synthesized onto Cu(OH) 2 nanoflowers. Field-emission scanning electron microscope images showed that the fabricated electrodes were nanoflowers possessing large surface areas. From cyclic voltammetry, the peak currents of an BDND/Cu(OH) 2/Cu electrode was about 7, 6.2, and 5.9 times higher than that of the Cu foil, Cu(OH) 2/Cu, and BDND/Cu electrodes, respectively. A biosensor based on BDND/Cu(OH) 2/Cu exhibited excellent performance for glucose detection, and it had a linear detection range of 0 to 6 mM, a correlation coefficient of 0.9994, a low detection limit of 9 μM, and a high sensitivity of 2.1592 mA mM - 1 cm - 1.
KW - Amperometric glucose sensor
KW - Boron-doped diamond
KW - Chemical vapor deposition
KW - Copper hydroxide
KW - Crystallization from solution
KW - Nanocrystalline diamond
KW - Nanostructures
UR - http://www.scopus.com/inward/record.url?scp=84866024966&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84866024966&partnerID=8YFLogxK
U2 - 10.1016/j.tsf.2012.08.011
DO - 10.1016/j.tsf.2012.08.011
M3 - Article
AN - SCOPUS:84866024966
VL - 520
SP - 7219
EP - 7223
JO - Thin Solid Films
JF - Thin Solid Films
SN - 0040-6090
IS - 24
ER -