The surface structural changes of the samples were examined using field-emission scanning electron microscopy (FE-SEM, SUPRA/AURIGA, Carl Zeiss, Oberkochen, Germany) for 5000 and 20,000 magnification using High Resolution Digital Image Processing and Analysis System. To impart conductivity, the surface was coated with 20 nm thick platinum using a coating machine (Ion Sputter Coater, G20, GSEM, Suwon, Korea). Atomic force microscopy (AFM, NX-10, Park Systems, Suwon, Korea) was carried out to quantitatively analyze the nanostructures based on plasma etching. The nanoroughness was measured in the section of 3 μm × 3 μm of the specimen. Then, the range of 1 μm × 1 μm was randomly selected and the values of Ra and Rq were calculated by XEI software. Kawabata surface roughness meter (KES-FB4-A Surface Tester, Kato Tech Co., Ltd., Kyoto, Japan) was used to assess the microroughness of the fabric and film based on their weave density. To analyze the changes in the surface components based on plasma etching and thermal aging, the changes in the carbon and oxygen composition up to 10 nm of the surface were analyzed using X-ray photoelectron spectroscopy (AXIS-his, Kratos Analytical, Manchester, UK). The crystallinity and immunoreactivity were measured by X-ray diffractometers (New D8 Advance and D8 Discover, Bruker, Billerica, MA, USA).
Supra auriga
Manufactured by Zeiss
Sourced in Germany
The SUPRA/AURIGA is a high-performance scanning electron microscope (SEM) designed to provide detailed, high-resolution imaging and analysis of a wide range of materials. It features an advanced electron optical column and a range of detectors to enable comprehensive characterization of samples.
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Lab products found in correlation
2 protocols using supra auriga
1
Characterization of Nanostructure Surface
2
Surface Morphology and Tensile Strength of Conductive Knitted Fabric
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The surface morphologies of the conductive knitted fabric were observed using a field-emission scanning electron microscope (FE-SEM, SUPRA/AURIGA, Carl Zeiss, Germany) according to alkaline hydrolysis duration. To prevent the samples from charging, their surfaces were coated with a 10 nm thick layer of platinum using a G20 Ion Sputter Coater (GSEM, Korea), with the current maintained at 30 mA for 120 s.
The weight loss of the fabrics due to alkaline hydrolysis was calculated as ineqn (1) : where Wa is the weight of the samples after alkaline hydrolysis treatment and Wb is the weight of the samples before treatment.
The change in tensile strength of the alkaline hydrolyzed fabrics was measured by the ASTM D 5035 strip method. A sample 2.5 cm width and 10 cm length in the wale direction was fixed in a clamp with a distance of 5.0 cm. Tensile strength was measured utilizing a universal testing machine (Instron-5543, USA) with 1 kN load at an extension rate of 30 cm min−1.
The chemical compositions of the sample surfaces before and after alkaline hydrolysis and hydrophobization were characterized using a high-resolution X-ray diffractometer (HR-XRD, D8 Advance, Bruker, Germany) and an energy-dispersive X-ray microanalysis system (EDX, Aztec, Oxford instrument, UK) coupled to a FE-SEM, respectively. For XRD analysis, the conductive yarns extracted from the fabric samples.
The weight loss of the fabrics due to alkaline hydrolysis was calculated as in
The change in tensile strength of the alkaline hydrolyzed fabrics was measured by the ASTM D 5035 strip method. A sample 2.5 cm width and 10 cm length in the wale direction was fixed in a clamp with a distance of 5.0 cm. Tensile strength was measured utilizing a universal testing machine (Instron-5543, USA) with 1 kN load at an extension rate of 30 cm min−1.
The chemical compositions of the sample surfaces before and after alkaline hydrolysis and hydrophobization were characterized using a high-resolution X-ray diffractometer (HR-XRD, D8 Advance, Bruker, Germany) and an energy-dispersive X-ray microanalysis system (EDX, Aztec, Oxford instrument, UK) coupled to a FE-SEM, respectively. For XRD analysis, the conductive yarns extracted from the fabric samples.
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