W18O49 Nanowires as Ultraviolet Photodetector

被引：23
|
作者：
Yang, Feng [1 ]
Huang, Kai [1 ]
Ni, Shibing [1 ]
Wang, Qi [1 ]
He, Deyan [1 ]
机构：
[1] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
来源：
NANOSCALE RESEARCH LETTERS | 2010年 / 5卷 / 02期
基金：
中国国家自然科学基金;
关键词：
W18O49; nanowires; Field effect transistor; Ultraviolet photodetector; Photoconductive gain; Near-surface depletion region;
D O I：
10.1007/s11671-009-9499-z
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Photodetectors in a configuration of field effect transistor were fabricated based on individual W18O49 nanowires. Evaluation of electrical transport behavior indicates that the W18O49 nanowires are n-type semiconductors. The photodetectors show high sensitivity, stability and reversibility to ultraviolet (UV) light. A high photoconductive gain of 10(4) was obtained, and the photoconductivity is up to 60 nS upon exposure to 312 nm UV light with an intensity of 1.6 mW/cm(2). Absorption of oxygen on the surface of W18O49 nanowires has a significant influence on the dark conductivity, and the ambient gas can remarkably change the conductivity of W18O49 nanowire. The results imply that W18O49 nanowires will be promising candidates for fabricating UV photodetectors.
引用
收藏
页码：416 / 419
页数：4
相关论文
共 50 条
  • [31] Optimization of photothermal performance of hydrophilic W18O49 nanowires for the ablation of cancer cells in vivo
    Xu, Wenju
    Tian, Qiyun
    Chen, Zhigang
    Xia, Mengge
    Macharia, Daniel K.
    Sun, Bin
    Tian, Ling
    Wang, Yifei
    Zhu, Meifang
    JOURNAL OF MATERIALS CHEMISTRY B, 2014, 2 (34) : 5594 - 5601
  • [32] Unveiling low-temperature thermal oxidation growth of W18O49 nanowires with metastable β-W films
    Dai, Tiantian
    Deng, Zanhong
    Wang, Shimao
    Fang, Xiaodong
    Meng, Gang
    NANOSCALE, 2022, 14 (13) : 5002 - 5009
  • [33] Ordering in lithium and sodium inserted W18O49
    DelaCruz, AM
    TorresMartinez, LM
    GarciaAlvarado, F
    Moran, E
    AlarioFranco, MA
    SOLID-STATE CHEMISTRY OF INORGANIC MATERIALS, 1997, 453 : 65 - 70
  • [34] Enhanced reversible lithium storage in ultrathin W18O49 nanowires entwined Si composite anode
    Yue, Lu
    Tang, Jialei
    Li, Fang
    Xu, Ning
    Zhang, Feng
    Zhang, Qinfang
    Guan, Rongfeng
    Hong, Juan
    Zhang, Wenhui
    MATERIALS LETTERS, 2017, 187 : 118 - 122
  • [35] Theoretical Analysis of Metals Supported on Tungsten Oxide Nanowires (W18O49) for Water Dissociation Reaction
    Karim, Nabila A.
    Alias, Muhammad Syafiq
    Yunus, RozanMohamad
    Masdar, Mohd Shahbudin Mastar
    Kamarudin, Siti Kartom
    CHEMICAL ENGINEERING & TECHNOLOGY, 2023, 46 (12) : 2644 - 2653
  • [36] Photosensitization of Singlet Oxygen and In Vivo Photodynamic Therapeutic Effects Mediated by PEGylated W18O49 Nanowires
    Kalluru, Poliraju
    Vankayala, Raviraj
    Chiang, Chi-Shiun
    Hwang, Kuo Chu
    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2013, 52 (47) : 12332 - 12336
  • [37] NIR LSPR-coupling of Ag nanorices and W18O49 nanowires: Application of LRET and SERS
    Yang, Yang
    Cong, Yan
    Shang, Jingyu
    Liu, Yang
    Fang, Guoqiang
    Zhang, Jiahua
    Dong, Bin
    SENSORS AND ACTUATORS B-CHEMICAL, 2021, 330
  • [38] Photothermal Conversion of W18O49 with a Tunable Oxidation State
    Fang, Zhenxing
    Jiao, Shihui
    Kang, Yutang
    Pang, Guangsheng
    Feng, Shouhua
    CHEMISTRYOPEN, 2017, 6 (02): : 261 - 265
  • [39] REFINEMENT AND NEW-ANALYSIS OF THE STRUCTURE OF W18O49
    LAMIRE, M
    LABBE, P
    GOREAUD, M
    RAVEAU, B
    REVUE DE CHIMIE MINERALE, 1987, 24 (04): : 369 - 381
  • [40] Ultrathin W18O49 Nanowire Assemblies for Electrochromic Devices
    Liu, Jian-Wei
    Zheng, Jing
    Wang, Jin-Long
    Xu, Jie
    Li, Hui-Hui
    Yu, Shu-Hong
    NANO LETTERS, 2013, 13 (08) : 3589 - 3593
12345