Preparation And Characterization Of Carbon Nanotubes / Phthalocyanine - Modified Silver - Plated Photonic Fibers

Energy supply is one of the most urgent issue in the 21 st century. Compared to fossil energy, wind energy, geothermal, biomass energy and other resources, Solar energy has many advantages. Solar energy is safe, inexhaustible, environmentally-friendly. Solar energy can be converted into thermal energy and electricity. In recent decades, solar energy has attracted great attention in electrical engineering. But traditional solar cells are not easy to fold and seriously polluted, in recent years, intelligent textiles become a hot research topic in the forefront field of textile technologies. Developing more smart textiles has become a competitive field in international clothing market.Therefore, the preparation of flexible photovoltaic material with the polymeric fibers as the matrix can facilitate the photovoltaic technology melted into wearable clothing. It has important significance in development in the new intelligent textiles. This paper discusses the preparation of a new photovoltaic fiber. The silver-plated fiber was used as the electrode and the carbon nanotubes and CuPc are used as acceptor and donor materials, respectively. Compound based on multi-walled carbon nanotubes (MWCNTs) and acylamino copper phthalocyanine were prepared with oxygen plasma treatment technology. The effect of oxygen plasma treatment time and power on the surface modification of carbon nanotubes were investigated by XPS. The effect of doping ratio on the photoelectric property of the compound was investigated by Fourier transformed infrared spectrometer (FTIR) and electrochemical workstation. The results indicate that the grafting rate was up to7.9% when the treatment time was 15min and the power is 20W. The UV-vis absorption spectra showed the absorbility of compoud was improved. In addition, the band gap was affected by the doping ratio and it was minimum of 1.63 eV when the MWCNT-doping content was 40%. Novel multi-walled carbon nanotubes (MWCNTs) and copper phthalocyanine (CuPc) modified photovoltaic fiber was successfully prepared via chemical liquid deposition method with silver-plated polyester as soft template. The effect of process conditions on the properties of photovoltaic fiber was investigated. With the increasing of the concentration of AgNO3, the coating amount and electrical conductivity first increase and then decrease. When concentration of NaOH is 2.2 g/L, the coating amount gain rate of 18.8% and the electrical conductivity is 7.78 x 10-4 s/cm. And the photovoltaic fiber has the best performance. The electrochemical workstation and the fluorescent spectroscopy indicate that the electronic transmission efficiency has remarkable improvements.