TY - JOUR
T1 - In situ growth of ZnO nanowires on Zn comb-shaped interdigitating electrodes and their photosensitive and gas-sensing characteristics
AU - Li, Li
AU - Yang, Fan
AU - Yu, Jie
AU - Wang, Xuewen
AU - Zhang, Lina
AU - Chen, Yan
AU - Yang, Heqing
PY - 2012/12
Y1 - 2012/12
N2 - ZnO nanowires were grown in situ on Zn comb-shaped interdigitating electrodes by using a simple hydrothermal reaction of metallic Zn with Na 2C 2O 4 in solution at 140°C. ZnO nanowires were bridged across the trenched electrodes. In this process, the "pick and place" method of nanowire integration was avoided. The self-assembly grown ZnO nanowires had excellent performance as a sensor to ultraviolet (UV) light, NH 3 and N(C 2H 5) 3. The V output value was about 0.6 V in air, under UV illumination, however, it increased to 1.3 V. The sensitivities at 260°C were 1.3 and 1.4 when the concentrations of NH 3 and N(C 2H 5) 3 gas were 0.5 and 0.9 ppm, respectively. The performance of this kind of sensors could be further improved by increasing the quantity of the Zn electrodes.
AB - ZnO nanowires were grown in situ on Zn comb-shaped interdigitating electrodes by using a simple hydrothermal reaction of metallic Zn with Na 2C 2O 4 in solution at 140°C. ZnO nanowires were bridged across the trenched electrodes. In this process, the "pick and place" method of nanowire integration was avoided. The self-assembly grown ZnO nanowires had excellent performance as a sensor to ultraviolet (UV) light, NH 3 and N(C 2H 5) 3. The V output value was about 0.6 V in air, under UV illumination, however, it increased to 1.3 V. The sensitivities at 260°C were 1.3 and 1.4 when the concentrations of NH 3 and N(C 2H 5) 3 gas were 0.5 and 0.9 ppm, respectively. The performance of this kind of sensors could be further improved by increasing the quantity of the Zn electrodes.
KW - A. Nanostructures
KW - A. Oxides
KW - B. Chemical synthesis
KW - C. Electron microscopy
KW - D. Electrical properties
UR - http://www.scopus.com/inward/record.url?scp=84868203046&partnerID=8YFLogxK
U2 - 10.1016/j.materresbull.2012.08.040
DO - 10.1016/j.materresbull.2012.08.040
M3 - 文章
AN - SCOPUS:84868203046
SN - 0025-5408
VL - 47
SP - 3971
EP - 3975
JO - Materials Research Bulletin
JF - Materials Research Bulletin
IS - 12
ER -