Journal
NANOSCALE RESEARCH LETTERS
Volume 10, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/s11671-015-1072-3
Keywords
Phthalocyanine; Reduced graphene oxide; Hybrid; Ammonia; Gas sensor
Funding
- National Natural Science Foundation of China [51202061, 51002046]
- Overseas Science Foundation of Heilongjiang Province [LC08C06]
- Natural Science Foundation of Heilongjiang Province [B201308]
- Foundation of Education Department of Heilongjiang Province [12521399, 12511384]
- Opening Project Foundation of Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University), Ministry of Education
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Three kinds of novel hybrid materials were prepared by noncovalent functionalized reduced graphene oxide (rGO) with tetra-a-iso-pentyloxyphthalocyanine copper (CuPc), tetra-alpha-iso-pentyloxyphthalocyanine nickel (NiPc) and tetra-a-iso-pentyloxyphthalocyanine lead (PbPc) and characterized by Fourier transform infrared spectroscopy (FT-IR), ultraviolet-visible spectroscopy (UV-vis), Raman spectra, X-ray photoelectron spectroscopy (XPS), transmission electron microscope (TEM), and atomic force microscope (AFM). The as-synthesized MPc/rGO hybrids show excellent NH3 gas-sensing performance with high response value and fast recovery time compared with bare rGO. The enhancement of the sensing response is mainly attributed to the synergism of gas adsorption of MPc to NH3 gas and conducting network of rGO with greater electron transfer efficiency. Strategies for combining the good properties of rGO and MPc derivatives will open new opportunities for preparing and designing highly efficient rGO chemiresistive gas-sensing hybrid materials for potential applications in gas sensor field.
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