Improved selective acetone sensing properties of Co-doped ZnO nanofibers by electrospinning
被引:259
作者:
Liu, Li
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机构:
Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Liu, Li
[1
]
Li, Shouchun
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机构:
Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Li, Shouchun
[1
]
Zhuang, Juan
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机构:
Dalian Univ Technol, Sch Phys & Optoelect Engn, Dalian 116024, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Zhuang, Juan
[2
]
Wang, Lianyuan
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机构:
Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Wang, Lianyuan
[1
]
Zhang, Jinbao
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Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Zhang, Jinbao
[1
]
Li, Haiying
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机构:
Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Li, Haiying
[1
]
Liu, Zhen
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机构:
Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Liu, Zhen
[1
]
Han, Yu
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机构:
Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Han, Yu
[1
]
Jiang, Xiaoxue
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机构:
Jilin Univ, Coll Instrumentat & Elect Engn, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Jiang, Xiaoxue
[3
]
Zhang, Peng
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机构:
Jilin Univ, Coll Instrumentat & Elect Engn, Changchun 130012, Peoples R ChinaJilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
Zhang, Peng
[3
]
机构:
[1] Jilin Univ, State Key Lab Superhard Mat, Coll Phys, Changchun 130012, Peoples R China
[2] Dalian Univ Technol, Sch Phys & Optoelect Engn, Dalian 116024, Peoples R China
[3] Jilin Univ, Coll Instrumentat & Elect Engn, Changchun 130012, Peoples R China
来源:
SENSORS AND ACTUATORS B-CHEMICAL
|
2011年
/
155卷
/
02期
关键词:
ZnO;
Semiconductors;
Electrospinning;
Nanofibers;
Gas sensors;
GAS SENSOR;
ROOM-TEMPERATURE;
METAL;
FILM;
NANOTUBES;
FABRICATION;
NANOBELTS;
CATALYSIS;
TEMPLATE;
NANORODS;
D O I:
10.1016/j.snb.2011.01.047
中图分类号:
O65 [分析化学];
学科分类号:
070302 ;
081704 ;
摘要:
Pure and Co-doped (0.3 wt%, 0.5 wt%, and 1 wt%) ZnO nanofibers are synthesized by an electrospinning method and followed by calcination. The as-synthesized nanofibers are characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive X-ray (EDX) spectroscopy. Comparing with pure ZnO nanofibers, Co-doped nanofibers exhibit improved acetone sensing properties at 360 degrees C. The response of 0.5 wt% Co-doped ZnO nanofibers to 100 ppm acetone is about 16, which is 3.5 times larger than that of pure nanofibers (about 4.4). The response and recovery times of 0.5 wt% Co-doped ZnO nanofibers to 100 ppm acetone are about 6 and 4s, respectively. Moreover, Co-doped ZnO nanofibers can successfully distinguish acetone and ethanol/methanol, even in a complicated ambience. The high response and quick response/recovery are based on the one-dimensional nanostructure of ZnO nanofibers combining with the Co-doping effect. The selectivity is explained by the different optimized operating temperatures of Co-doped ZnO nanofibers to different gases. (C) 2011 Elsevier B.V. All rights reserved.
机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Li, Bin
Wang, Chunqing
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机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Wang, Chunqing
Liu, Wei
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机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Harbin Inst Technol, Mech Engn Postdoctoral Mobile Res Stn, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Liu, Wei
Ye, Mao
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Ye, Mao
Wang, Ning
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机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Li, Bin
Wang, Chunqing
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Wang, Chunqing
Liu, Wei
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Harbin Inst Technol, Mech Engn Postdoctoral Mobile Res Stn, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Liu, Wei
Ye, Mao
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
Ye, Mao
Wang, Ning
论文数: 0引用数: 0
h-index: 0
机构:
Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R ChinaHarbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China