共 30 条
Highly sensitive ZnO nanowire CO sensors with the adsorption of Au nanoparticles
被引:160
作者:

Chang, Shoou-Jinn
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Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan
Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Dept Elect Engn, Tainan 70101, Taiwan Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan

Hsueh, Ting-Jen
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Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan
Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Dept Elect Engn, Tainan 70101, Taiwan Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan

Chen, I-Cherng
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Ind Technol Res Inst S, Micro Syst Technol Ctr, Tainan 709, Taiwan Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan

Huang, Bohr-Ran
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Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Grad Inst Electroopt Engn, Taipei 106, Taiwan Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan
机构:
[1] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan
[2] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Dept Elect Engn, Tainan 70101, Taiwan
[3] Ind Technol Res Inst S, Micro Syst Technol Ctr, Tainan 709, Taiwan
[4] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Grad Inst Electroopt Engn, Taipei 106, Taiwan
关键词:
D O I:
10.1088/0957-4484/19/17/175502
中图分类号:
TB3 [工程材料学];
学科分类号:
0805 ;
080502 ;
摘要:
In this study, the growth of high density single-crystalline ZnO nanowires on patterned ZnO: Ga/SiO2/Si templates was reported. We also adsorbed Au nanoparticles onto nanowire surfaces and fabricated ZnO nanowire CO sensors. With 50 ppm CO gas, it was found that we could enhance the device sensitivities at 350 degrees C from 4.2% to 46.5% by the adsorption of Au nanoparticles. It was also found that measured sensitivities were around 30%, 37%, 46.5% and 53% when concentration of the injected CO gas was 5, 20, 50 and 100 ppm, respectively.
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页数:5
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