The morphologies of the synthesized porous structures were characterized using an SEM system (Nova NanoSEM 450, FEI) and a 200-kV field-emission TEM system (JEM-2100F HR, JEOL). The graphene structure was confirmed using a Raman spectrophotometer (NRS-5100, JASCO). BET (AutoPore IV 9500, Micromeritics) was used to confirm the pore size and porosity.
Jem 2100f hr
Manufactured by JEOL
Sourced in Japan
The JEM-2100F HR is a high-resolution transmission electron microscope (TEM) manufactured by JEOL. It is designed to provide high-quality imaging and analytical capabilities for a wide range of materials science and biological applications. The microscope features a field emission gun (FEG) electron source, which delivers a high-brightness, coherent electron beam for enhanced resolution and contrast. The JEM-2100F HR is capable of achieving a point-to-point resolution of 0.19 nm and is equipped with a range of advanced detectors and analytical tools for comprehensive sample characterization.
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Lab products found in correlation
Nova nanosem 450, by Thermo Fisher Scientific (2 mentions)
Autopore 4 9500, by Micromeritics (2 mentions)
Cary 100 spectrophotometer, by Agilent Technologies (2 mentions)
Smartlab, by Rigaku (2 mentions)
Nrs 5100, by Jasco (1 mentions)
Uv 2600, by Shimadzu (1 mentions)
Flir t335, by Teledyne (1 mentions)
Lfa 457, by Netzsch (1 mentions)
Dsc 200 f3, by Netzsch (1 mentions)
Solidspec 3700, by Shimadzu (1 mentions)
Zetasizer nano, by Malvern Panalytical (1 mentions)
Microscopy merlin, by Zeiss (1 mentions)
Zetasizer 3000hs, by Malvern Panalytical (1 mentions)
Pierce bca protein assay kit, by Thermo Fisher Scientific (1 mentions)
Tecnai g2 f30 s twin, by Thermo Fisher Scientific (1 mentions)
Icp ms 7700, by Agilent Technologies (1 mentions)
S 4800, by Hitachi (1 mentions)
Zetasizer nano z, by Malvern Panalytical (1 mentions)
15 protocols using jem 2100f hr
1
Characterization of Porous Graphene Structures
2
Hybrid Phototransistor Characterization
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All electrical and photoresponse characteristics of the hybrid phototransistors were carried out using a semiconductor characterization system (Keithley 4200-SCS) in an air ambient atmosphere at room temperature. The photoelectric characteristics were measured under various laser sources with wavelengths of 700 nm (red), 880 nm (NIR) and intensities of 0.2 mW/cm2, and a transient response of the phototransistors was observed at frequencies of 0.1 Hz. The cross-section image of the QD/IGZO phototransistor and distribution of elements in QD were measured using a transmission electron microscope (TEM) (FE-TEM, JEM-2100F HR, JEOL). Ultraviolet photoelectron spectroscopy (UPS) (x-ray photoelectron spectroscopy-theta probe, installed at Hanyang Linc + Analytical Equipment Center) and ultraviolet–visible (UV–Vis) measurements (Shimadzu UV-2600) were conducted to analyze the band energy alignment of QD/IGZO films. Auger electron spectroscopy (AES) was carried out to confirm the infiltration of Al2O3 between the QD and IGZO layer.
3
Optical and Morphological Characterization of AgNPs
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The optical properties of the AgNP solution were characterized using UV-Vis spectroscopy (Shimadzu 2600, Japan). The primary size of the AgNPs was determined by Transmission Electron Microscopy (TEM) (JEOL JEM-2100F-HR, Tokyo, Japan) operating at 200 kV. The AgNPs size distribution was determined by counting over 200 nanoparticles using ImageJ software (Fiji, USA) 1.53a.
4
Synthesis of Au Nanoparticles within Hydrogel Capsules
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Example 4
The Au nanoparticles (NPs) were synthesized within the hydrogel shell phases by following the procedure reported by Kozlovskaya, V. et al., Chem. Mater. 2009, 21, 2158-2167. First, 100 μL capsule suspensions (˜10% w/v in water) were treated with various amounts of GA. After GA treatment, the solutions were washed three times with a borate buffer at pH 10 and mixed with 2 mL of 2 mM HAuCL4 solution in 0.1 M borate buffer (pH 10) for 5 days in the dark. After the reaction, all suspensions were cleaned by repeated centrifugation with water. The effects of the hybridization of Au NPs with the shells of the hollow hydrogel capsules were evaluated by performing UV-visible spectroscopy measurements in a quartz cell with a 10 mm optical path by using a Cary 100 spectrophotometer (Varian). The Au NPs were examined with transmission electron microscopy (JEM-2100F HR, Jeol Ltd., Japan).
5
Characterization of Porous Structures
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The morphologies of the synthesized porous structures were characterized using an SEM system (Nova NanoSEM 450, FEI, and 200 kV FE-TEM (JEM-2100F HR, JEOL Ltd)). The open porosity and pore size were measured using a mercury porosimetry ((AutoPore IV 9500, Micromeritics, USA). The Raman spectra were acquired on a Jobin-Yvon LabRam HR 800 micro-Raman system. The temperature-dependent thermal diffusivity and the specific heat were measured using the laser flash method (LFA 457, Netzsch) and a differential scanning calorimeter (DSC 200F3, Netzsch), respectively. The thermal transient measurements of the LED chips mounted on porous structures with silver paste were performed in a thermal transient tester (T3Ster, MicRed). The thermal images and point temperatures of the samples were obtained using an infrared thermal imaging camera (FLIR T-335, FLIR systems, spectral range 7.5–13 μm).
6
Nanofiber Structural Analysis
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High‐resolution images of multiporous and nanograin structures of nanofibers were obtained using a transmission electron microscope (JEOL JEM‐2100F‐HR). A scanning electron microscope (ZEISS SIGMA FE‐SEM) was used to analyze the surface nanostructure and rough interface of the nanofibers in high‐resolution images. The operating bias of the current–time (I–T) measurement was conducted under 1 V. The electrical measurement and analysis system were connected to a chamber with electrical probes, CO(g) and NO(g) gas flow system, pump, and LED light source.
7
Synthesis of Au Nanoparticles in Hydrogel Capsules
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Example 4
The Au nanoparticles (NPs) were synthesized within the hydrogel shell phases by following the procedure reported by Kozlovskaya, V. et al., Chem. Mater. 2009, 21, 2158-2167. First, 100 μL capsule suspensions (˜10% w/v in water) were treated with various amounts of GA. After GA treatment, the solutions were washed three times with a borate buffer at pH 10 and mixed with 2 mL of 2 mM HAuCl4 solution in 0.1 M borate buffer (pH 10) for 5 days in the dark. After the reaction, all suspensions were cleaned by repeated centrifugation with water. The effects of the hybridization of Au NPs with the shells of the hollow hydrogel capsules were evaluated by performing UV-visible spectroscopy measurements in a quartz cell with a 10 mm optical path by using a Cary 100 spectrophotometer (Varian). The Au NPs were examined with transmission electron microscopy (JEM-2100F HR, Jeol Ltd., Japan).
8
Characterization of Copper Nanoparticles
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The phase analysis of the Cu NPs was conducted by X-ray powder diffraction (XRD, Smartlab, Rigaku Corporation, Tokyo, Japan) with Cu Kα radiation (λ = 1.54178 Å). The morphologies of the particles were investigated using the field-emission scanning electron microscope (SEM, Sirion, FEI, Hillsboro, OR, USA) with accelerating voltage of 30 kV equipped with an energy dispersive spectroscopy (EDS) and the field emission transmission electron microscopy (TEM, JEM-2100F HR, JEOL Ltd., Tokyo, Japan) with accelerating voltage of 200 kV.
9
Characterization of Flexible Transparent Heaters
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To investigate the optical properties, the transmittance spectra of the flexible transparent heaters were observed using a UV-VIS-NIR spectrophotometer (SolidSpec-3700, Shimadzu Scientific Instruments, city, country) with air as the reference. In order to confirm the structural properties and chemical composition of ITO/Ag/ITO multilayer transparent heater, transmission electron microscopy (TEM) (JEM-2100F HR, JEOL Ltd., Tokyo, Japan) and energy-dispersive X-ray spectroscopy (EDS) mapping analysis were performed. The cross-section TEM image of the fabricated transparent flexible heater was obtained using a field emission scanning electron microscope (FE-SEM) (Sirion, FEI/Philips, Hillsboro, OR, USA). The sheet resistance of the fabricated transparent heater was measured using the four-point probe method with a sheet resistivity meter (FPP-1000, DASOL ENG, Cheongju, Korea) in contact with the front-center of the heater. The sheet resistances, listed in this study, were typically obtained by averaging several measurements (at least five) performed at different positions on the front-side of the heater.
10
Structural Characterization of CIPS/GaN FeHEMT
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A cross-sectional CIPS/GaN FeHEMT structure was analyzed using a focused ion beam system and high-resolution TEM [JEM-2100F(HR), JEOL Ltd.] with EDS elemental mapping. The PFM amplitude and phase were characterized using a PFM tip with a writing bias range of ±10 V in the electrostatic force microscopy mode (NX-10/Park Systems). Micro-Raman spectroscopy was performed at room temperature using a Raman imaging microscope (DXR 2xi) with a laser excitation wavelength of 532 nm.
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