[1
]Beijing Key Laboratory for Green Catalysis and Separation, College of Environmental
& Energy Engineering, Beijing University of Technology, Pingle yuan 100, 100124
Beijing, P. R. China
[2
]Key Laboratory of Advanced Functional Materials, School of Materials and Engineering,
Beijing University of Technology, Pingle yuan 100, 100124 Beijing, P. R. China
[3
]Center for Micro- and Nanotechnologies MacroNano, TU Ilmenau, Gustav-Kirchhoff-Str.
7, 98693 Ilmenau, Germany
[4
]Chair Materials for Electronics, Institute of Materials Engineering and Institute
of Micro- and Nanotechnologies MarcoNano, TU Ilmenau, Gustav-Kirchhoff-Str. 5, 98693
Ilmenau, Germany