Vertically Aligned WO<sub>3</sub> Nanowire Arrays Grown Directly on Transparent Conducting Oxide Coated Glass: Synthesis and Photoelectrochemical Properties
Jinzhan SuDepartment of Electrical Engineering, The Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United StatesXinjian FengDepartment of Electrical Engineering, The Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United StatesJennifer D. SloppyDepartment of Electrical Engineering, The Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United StatesLiejin GuoState Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Shaanxi 710049, People’s Republic of ChinaCraig A. GrimesDepartment of Electrical Engineering, The Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
2010en
ABI
Аннотация
Photocorrosion stable WO(3) nanowire arrays are synthesized by a solvothermal technique on fluorine-doped tin oxide coated glass. WO(3) morphologies of hexagonal and monoclinic structure, ranging from nanowire to nanoflake arrays, are tailored by adjusting solution composition with growth along the (001) direction. Photoelectrochemical measurements of illustrative films show incident photon-to-current conversion efficiencies higher than 60% at 400 nm with a photocurrent of 1.43 mA/cm(2) under AM 1.5G illumination. Our solvothermal film growth technique offers an exciting opportunity for growth of one-dimensional metal oxide nanostructures with practical application in photoelectrochemical energy conversion.
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