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Phase selection enabled formation of abrupt axial heterojunctions in branched oxide nanowires

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Phase selection enabled formation of abrupt axial heterojunctions in branched oxide nanowires
นักวิจัย : Gao, Jing , Lebedev, Oleg I. , Turner, Stuart , Li, Yongfeng , Lu, Yun Hao , Feng, Yuan Ping , Boullay, Philippe , Prellier, Wilfrid , Tendeloo, Gustaaf van , Wu, Tom
คำค้น : -
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2554
อ้างอิง : Gao, J., Lebedev, O. I., Turner, S., Li, Y. F., Lu, Y. H., Feng, Y. P., et al. (2012). Phase Selection Enabled Formation of Abrupt Axial Heterojunctions in Branched Oxide Nanowires. Nano Letters, 12(1), 275-280. , 1530-6984 , http://hdl.handle.net/10220/10726 , http://dx.doi.org/10.1021/nl2035089
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Nano letters
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Rational synthesis of nanowires via the vapor–liquid–solid (VLS) mechanism with compositional and structural controls is vitally important for fabricating functional nanodevices from bottom up. Here, we show that branched indium tin oxide nanowires can be in situ seeded in vapor transport growth using tailored Au–Cu alloys as catalyst. Furthermore, we demonstrate that VLS synthesis gives unprecedented freedom to navigate the ternary In–Sn–O phase diagram, and a rare and bulk-unstable cubic phase can be selectively stabilized in nanowires. The stabilized cubic fluorite phase possesses an unusual almost equimolar concentration of In and Sn, forming a defect-free epitaxial interface with the conventional bixbyite phase of tin-doped indium oxide that is the most employed transparent conducting oxide. This rational methodology of selecting phases and making abrupt axial heterojunctions in nanowires presents advantages over the conventional synthesis routes, promising novel composition-modulated nanomaterials.

บรรณานุกรม :
Gao, Jing , Lebedev, Oleg I. , Turner, Stuart , Li, Yongfeng , Lu, Yun Hao , Feng, Yuan Ping , Boullay, Philippe , Prellier, Wilfrid , Tendeloo, Gustaaf van , Wu, Tom . (2554). Phase selection enabled formation of abrupt axial heterojunctions in branched oxide nanowires.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Gao, Jing , Lebedev, Oleg I. , Turner, Stuart , Li, Yongfeng , Lu, Yun Hao , Feng, Yuan Ping , Boullay, Philippe , Prellier, Wilfrid , Tendeloo, Gustaaf van , Wu, Tom . 2554. "Phase selection enabled formation of abrupt axial heterojunctions in branched oxide nanowires".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Gao, Jing , Lebedev, Oleg I. , Turner, Stuart , Li, Yongfeng , Lu, Yun Hao , Feng, Yuan Ping , Boullay, Philippe , Prellier, Wilfrid , Tendeloo, Gustaaf van , Wu, Tom . "Phase selection enabled formation of abrupt axial heterojunctions in branched oxide nanowires."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2554. Print.
Gao, Jing , Lebedev, Oleg I. , Turner, Stuart , Li, Yongfeng , Lu, Yun Hao , Feng, Yuan Ping , Boullay, Philippe , Prellier, Wilfrid , Tendeloo, Gustaaf van , Wu, Tom . Phase selection enabled formation of abrupt axial heterojunctions in branched oxide nanowires. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2554.