Surface modification of PET film by plasma-based ion implantation

Sakudo, N.; Mizutani, D.; Ohmura, Y.; Endo, H.; Yoneda, Ryo; Ikenaga, Noriaki; Takikawa, Hirofumi

doi:10.1016/s0168-583x(03)00824-3

Cited by 38 publications

(7 citation statements)

References 4 publications

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“…Ueda et al [8] studied the treatment of PET by aluminum plasma for oxidation protection. Sakudo et al [9] developed a new technique to enhance the barrier characteristics of PET film against CO 2 and O 2 gases. Plasma based ion implantation of nitrogen was found to change a polymer surface into diamond like carbon.…”

Section: Introductionmentioning

confidence: 99%

Investigation of surface properties of Ar-plasma treated polyethylene terephthalate (PET) films

Pelagade

Singh

Qureshi

et al. 2012

Nuclear Instruments and Methods in Physics Research Section B:

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Section: Introductionmentioning

confidence: 99%

Investigation of surface properties of Ar-plasma treated polyethylene terephthalate (PET) films

Pelagade

Singh

Qureshi

et al. 2012

Nuclear Instruments and Methods in Physics Research Section B:

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“…The region 1 200 -1 500 cm -1 is typical for C-H bends, many of which have strong Raman intensity, and the large intensity of the bands around 1 286 cm -1 is characteristic for the alkane parts in the silanes [18,19]. Bands in the region of 1 500 -1 750 cm -1 had been previously observed to arise from vibrational modes of prism PET [20], which featured very strong aromatic ring stretching (1 610 cm -1 ) and C = O stretching (1 739 cm -1 ). S-H stretch at 2 594 cm -1 appears in the Raman spectrum, which proves thiol groups have been grafted on the substrate.…”

Section: Silane Modificationmentioning

confidence: 94%

Copper-catalyzed electroless nickel coating on poly(ethylene terephthalate) board for electromagnetic application

Shi

2014

International Journal of Materials Research

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Copper-catalyzed electroless nickel coating on poly(ethylene terephthalate) board for electromagnetic application Electroless nickel coating on poly(ethylene terephthalate) board via a copper-catalyzed process is reported. Poly(ethylene terephthalate) was firstly modified by organic silanes to graft thio groups onto its surface, and then covered with copper particles and clusters in solution with dimethylamineborane as a reducing reagent. This copper-activated board was dipped into a nickel electroless solution for metallization. An Ni/Cu/poly(ethylene terephthalate) composite was obtained in which the copper interlayer served as both catalyst and interlocker for the formation of the composite. X-ray diffraction and energy dispersive X-ray analysis indicated that the metallic layer was composed of Ni and Cu. Atomic force microscopy revealed that the metal layer was smooth with root-mean-square roughness of 5.98 nm (area: 3 lm · 3 lm). The adhesion of the plated film to the polymer was measured to be 16.3 N cm -1 , higher than those from traditional processes. The Ni/Cu/poly(ethylene terephthalate) composite was conductive and magnetic, and could be used for electromagnetic interference shielding.W. Li et al.: Copper-catalyzed electroless nickel coating on poly(ethylene terephthalate) board Int.

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“…The Si bulk slices are fixed on a sheet of polyethylene terephthalate (PET) foil, which is widely used material of low cost, good light transmission and easy for mass production. [9], [10] By changing the thickness of the silicon slices in different circles, the infrared wave can be focused, as shown in Figure 3d. Considering the thermal radiation flux as 300 W/m 2 , a typical result shows for such a round Si focusing lens with a diameter of 23 cm and a focal length of 50 cm, at the focal point an energy flux of 22 kW/m 2 is obtained on a small area with diameter of 1 cm.…”

Section: To Focus the Infrared Irradiation For Higher Intensity mentioning

confidence: 99%

To pump the thermal energy from the dark world

Xu¹,

Su²

2014

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With a global average temperature around 300 K, the surface of the Earth emits a huge thermal energy in the form of long wave radiation, making it a warm thermal source in the cold universe. While living on the surface of the Earth, theoretically we are merged in the ocean of thermal radiation at the nominal rate of 100-300 Wm -2 at different seasons and in different regions. Here we present a proposal for pumping and utilizing this kind of thermal energy, even from the dark world at night or under the ground.Keywords: Thermal radiation; blackbody radiation; infrared electromagnetic wave; photovoltaic device. I. Endless solar energy sourceThe development of human civilization faces a tough problem that the most easily available "fossil energy", in the forms of petroleum oil, natural gas and coal, is going to exhaust in a one or a few hundred years. People in rich areas have been consuming more energy and natural resources than they should. For example, with its 4.5% of the world population (7.0 billion in 2014), the United States consumes around 20% of the total yearly energy cost by human being. China, with a 20% of the world population, is now taking more than 20% of the yearly energy the world consumed. These is no sign that people are going to change their 26 Shengyong Xu and Xiaohui Suways of living on the earth in the near future, in terms of enjoying the benefits of electricity and zillions of industry products, such as semiconductor devices, car, airplane, as well as city life. Clearly this mode is not sustainable in the time scale of one thousand year.The best and probably final solution for the energy crisis is to develop fusion technology that uses the almost infinite hydrogen element in seas and oceans.[1] The International Thermonuclear Experimental Reactor (IETR) project [2] in Europe has been going on for 7 years. It indeed aims at making a manmade sun on the surface of the earth, which faces incredible technical challenges and may cost a century or longer.Fortunately, the solar energy we received on the earth is also "endless". It is known that the surface temperature of the sun is around 6,000 K. By a rough estimation, considering the sun as a blackbody, its radiation spectrum follows the Plank formula. In Figure 1a, curve "A" plots this spectrum of the sunshine flux at the surface of outer atmosphere, and curve "B" is the sunlight flux measured at the surface of earth. The missing part is reflected, or scattered, or adsorbed on its way penetrating the atmosphere. The Solar Constant, 1.3 kW/m 2 , is the energy flux received at the surface of the earth atmosphere. As a result, 0.9 hour of this radiation energy at the earth surface is currently equal to the total energy consumed by human per year, i.e., 5.24 × 10 20 J. However, to date the solar energy only contributes around 2% in the total world energy recipe.[3] If in the next half a century, if this portion is increased to 50%, we may earn more time for the development of fusion technology. Figure 1Energy intensity spectra of electroma...

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Surface modification of PET film by plasma-based ion implantation

Cited by 38 publications

References 4 publications

Investigation of surface properties of Ar-plasma treated polyethylene terephthalate (PET) films

Investigation of surface properties of Ar-plasma treated polyethylene terephthalate (PET) films

Copper-catalyzed electroless nickel coating on poly(ethylene terephthalate) board for electromagnetic application

To pump the thermal energy from the dark world

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