Synthesis of vertically aligned ultra-long ZnO nanowires on heterogeneous substrates with catalyst at the root
被引:79
作者:
Zhu, Guang
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Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Zhu, Guang
[1
]
Zhou, Yusheng
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Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Zhou, Yusheng
[1
]
Wang, Sihong
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Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Wang, Sihong
[1
]
Yang, Rusen
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Univ Minnesota, Dept Mech Engn, Minneapolis, MN 55455 USAGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Yang, Rusen
[2
]
Ding, Yong
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Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Ding, Yong
[1
]
Wang, Xue
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Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Chongqing Univ, Dept Appl Phys, Chongqing 400044, Peoples R ChinaGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Wang, Xue
[1
,3
]
Bando, Yoshio
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Natl Inst Mat Sci, World Premier Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 305004, JapanGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Bando, Yoshio
[4
]
Wang, Zhong Lin
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Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USAGeorgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
Wang, Zhong Lin
[1
]
机构:
[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
[2] Univ Minnesota, Dept Mech Engn, Minneapolis, MN 55455 USA
[3] Chongqing Univ, Dept Appl Phys, Chongqing 400044, Peoples R China
[4] Natl Inst Mat Sci, World Premier Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 305004, Japan
The synthesis of ultra-long high-quality ZnO nanowires with uniform size and orientation on heterogeneous substrates is highly desirable, not only for investigating the fundamental properties of ZnO nanowires, but also for fabricating integrated functional nanodevices. Here we present a novel and general technique for growing vertically aligned ultra-long ZnO nanowires on various substrates. More importantly, the metal catalyst is experimentally determined not at the tip ends of the nanowires but at the junction area between the nanowires and the underlying substrate. Based on detailed analysis and control group results, we then propose a three-stage growth mechanism, in which vapor-liquid-solid growth and vapor-solid growth compete with each other to become dominant.
机构:
ETRI, CCMRL, Taejon 305700, South Korea
Korea Univ Sci & Technol, Sch Engn Adv Device Technol, Taejon 305333, South KoreaETRI, CCMRL, Taejon 305700, South Korea
Kang, Young-Hun
Choi, Choon-Gi
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机构:
ETRI, CCMRL, Taejon 305700, South KoreaETRI, CCMRL, Taejon 305700, South Korea
Choi, Choon-Gi
Kim, Young-Sung
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机构:
Sungkyunkwan Univ, Suwon 440746, South KoreaETRI, CCMRL, Taejon 305700, South Korea
Kim, Young-Sung
Kim, Jun-Kwan
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机构:
Korea Univ Sci & Technol, Sch Engn Adv Device Technol, Taejon 305333, South KoreaETRI, CCMRL, Taejon 305700, South Korea
机构:
ETRI, CCMRL, Taejon 305700, South Korea
Korea Univ Sci & Technol, Sch Engn Adv Device Technol, Taejon 305333, South KoreaETRI, CCMRL, Taejon 305700, South Korea
Kang, Young-Hun
Choi, Choon-Gi
论文数: 0引用数: 0
h-index: 0
机构:
ETRI, CCMRL, Taejon 305700, South KoreaETRI, CCMRL, Taejon 305700, South Korea
Choi, Choon-Gi
Kim, Young-Sung
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h-index: 0
机构:
Sungkyunkwan Univ, Suwon 440746, South KoreaETRI, CCMRL, Taejon 305700, South Korea
Kim, Young-Sung
Kim, Jun-Kwan
论文数: 0引用数: 0
h-index: 0
机构:
Korea Univ Sci & Technol, Sch Engn Adv Device Technol, Taejon 305333, South KoreaETRI, CCMRL, Taejon 305700, South Korea