Brush-Shaped ZnO Heteronanorods Synthesized Using Thermal-Assisted Pulsed Laser Deposition

被引：13

作者：

Choi, Jaewan ^{[2
]}

Ji, Hyunjin ^{[2
]}

Tambunan, Octolia Togibasa ^{[1
]}

Hwang, In-Sung ^{[3
]}

Woo, Hyung-Sik ^{[3
]}

Lee, Jong-Heun ^{[3
]}

Lee, Bo Wha ^{[1
]}

Liu, Chunli ^{[1
]}

Rhee, Seuk Joo ^{[1
]}

Jung, Chang Uk ^{[1
]}

Kim, Gyu-Tae ^{[2
]}

机构：

[1] Hankuk Univ Foreign Studies, Dept Phys, Gyeonggi Do 449791, South Korea

[2] Korea Univ, Sch Elect Engn, Seoul 136713, South Korea

[3] Korea Univ, Dept Mat Sci & Engn, Seoul 136713, South Korea

来源：

ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 12期

基金：

新加坡国家研究基金会;

关键词：

brush-shaped heteronanostructures; thermal-assisted pulsed laser deposition; photocurrent; SOLAR-CELLS; THIN-FILMS; GROWTH; TEMPERATURE; MECHANISM;

D O I：

10.1021/am201106v

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Brush-shaped ZnO heteronanostructures were synthesized using a newly designed thermal-assisted pulsed laser deposition (T-PLD) system that combines the advantages of pulsed laser deposition (PLD) and a hot furnace system. Branched ZnO nanostructures were successfully grown onto CVD-grown backbone nanowires by T-PLD. Although ZnO growth at 300 degrees C resulted in core-shell structures, brush-shaped hierarchical nanostructures were formed at 500-600 degrees C. Materials properties were studied via photoluminescence (PL), scanning electron microscopy (SEM) and trans mission electron microscopy (TEM) characterizations. The enhanced photocurrent of a SnO2-ZnO heterostructures device by irradiation with 365 nm wavelength ultraviolet (UV) light was also investigated by the current-voltage characteristics.

引用

页码：4682 / 4688

页数：7

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