The morphologies of the samples were imaged with field emission scanning electron microscopy (FESEM, Hitachi SU800 equipped with an EDS system) (Garl Zeiss AG, Oberkochen, Germany), in which all samples were spread on conductive carbon tape and sputtered with gold at an acceleration voltage of 10 kV.
Su800
Manufactured by Hitachi
Sourced in Japan
The SU800 is a scanning electron microscope (SEM) manufactured by Hitachi. It is designed for high-resolution imaging of a wide range of materials. The SU800 utilizes a field emission electron gun to produce a finely focused electron beam, enabling it to capture detailed images of samples at the nanoscale level.
Automatically generated - may contain errors
Lab products found in correlation
Nicolet 6700, by Thermo Fisher Scientific (1 mentions)
Xplora plus, by Horiba (1 mentions)
Chn analyzer, by Leco (1 mentions)
Uv 3600, by Shimadzu (1 mentions)
Eclipse ni u, by Nikon (1 mentions)
Tcs sp5 2, by Nikon (1 mentions)
D max 2550vb pc, by Rigaku (1 mentions)
Ftir spectrometer, by PerkinElmer (1 mentions)
Raman spectrophotometer, by Horiba (1 mentions)
Tecnai g2 f20, by Thermo Fisher Scientific (1 mentions)
Pna n5244a, by Agilent Technologies (1 mentions)
7 protocols using su800
1
Morphological Imaging of Samples
2
Annealing Process Evaluation of PBCO Electrode
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The annealing process was periodically interrupted to conduct electrochemical impedance spectroscopy (EIS) measurements using a Bistat-Potentiostat (Bio-logic VSP) controlled by EC-Lab software (11.01). The EIS analysis of the half-cell (three-electrode) was performed under open-circuit conditions, with a frequency range of 0.1–106 Hz and an AC signal amplitude of 10 mV. Impurity gas is mixed with air in terms of volume fraction, and the gas compositions are controlled by a mass flow controller (Seven Star Huachuang, Beijing, China). The steam concentration is regulated by the steam generator. The microstructures of the PBCO electrode before and after treatment were examined using a field emission scanning electron microscope (FE-SEM, Hitachi SU800, Hitachi, Tokyo, Japan). Raman spectrometry measurements were conducted using a Renishaw inVia system (WiRETM 2.0) with a 532 nm laser, in the wave number range of 200–1400 cm−1, to further investigate the surface segregation of the PBCO electrode. The in situ high-temperature structural evolution of dense PBCO bars was characterized by employing a thermal dilatometer (Netzsch DIL402/3/G, NETZSCH, Selb, Germany) at 800 °C.
3
Multimodal Characterization of Biochar
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Elemental
compositions of biochar samples were analyzed on a CHN analyzer (LECO
Corporation, CHNS 628, St. Joseph, MI, USA). Samples were degassed
at 200 °C for 12 h prior to N2 sorption measurements
(ASAP 2026, Micrometrics, Norcross, GA, USA), and the specific surface
area was quantified by using the Brunauer–Emmett–Teller
(BET) method. Powder X-ray diffraction patterns were recorded on a
Bruker D2 phaser diffractometer (Bruker, Billerica, MA, USA) equipped
with a Cu Kα radiation source, with diffraction angles (2-Theta)
from 10° to 80°. The morphology and surface composition
of biochar samples were studied using scanning electron microscopy
(SEM, Hitachi, SU800, Tokyo, Japan) and energy-dispersive spectroscopy
(EDS), respectively. Fourier transform infrared (FTIR) spectra were
recorded using an FTIR spectrometer (Thermo Electron Corporation,
Nicolet 6700, Madison, WI, USA) with samples prepared as KBr pellets.
Surface elemental composition and functional groups were analyzed
by X-ray photoelectron spectroscopy (XPS, AXIS, Ultra DL, Kratos Analytical,
Manchester, UK), using a monochromatic Al Kα X-ray excitation
source under vacuum conditions. Raman spectra of NFMBC samples were
recorded on a Horiba XploRa Plus instrument (Horiba, Kyoto, Japan)
with excitation using a 532 nm laser.
compositions of biochar samples were analyzed on a CHN analyzer (LECO
Corporation, CHNS 628, St. Joseph, MI, USA). Samples were degassed
at 200 °C for 12 h prior to N2 sorption measurements
(ASAP 2026, Micrometrics, Norcross, GA, USA), and the specific surface
area was quantified by using the Brunauer–Emmett–Teller
(BET) method. Powder X-ray diffraction patterns were recorded on a
Bruker D2 phaser diffractometer (Bruker, Billerica, MA, USA) equipped
with a Cu Kα radiation source, with diffraction angles (2-Theta)
from 10° to 80°. The morphology and surface composition
of biochar samples were studied using scanning electron microscopy
(SEM, Hitachi, SU800, Tokyo, Japan) and energy-dispersive spectroscopy
(EDS), respectively. Fourier transform infrared (FTIR) spectra were
recorded using an FTIR spectrometer (Thermo Electron Corporation,
Nicolet 6700, Madison, WI, USA) with samples prepared as KBr pellets.
Surface elemental composition and functional groups were analyzed
by X-ray photoelectron spectroscopy (XPS, AXIS, Ultra DL, Kratos Analytical,
Manchester, UK), using a monochromatic Al Kα X-ray excitation
source under vacuum conditions. Raman spectra of NFMBC samples were
recorded on a Horiba XploRa Plus instrument (Horiba, Kyoto, Japan)
with excitation using a 532 nm laser.
4
Characterization of Nano-/Micro-Fibrous Materials
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The morphologies of the nano-/micro-fibrous materials were characterized by SEM (HITACHI SU800), laser scanning confocal microscope (Leica TCS SP5 II) and fluorescent microscope (Nikon Eclipse Ni-U). The crystallinity of the PVA sample was characterized by wide angle X-ray diffraction (WAXD, D/Max 2550 VB PC, Rigaku). UV absorption measurements were performed on a Shimadzu UV 3600. PL spectra were collected on a PTI QM/TM. The quantum yields were measured on a HAMAMASTU fluorescence spectrometer. For demonstrating the fluorescence sensitivity of the AIE/polymer fibers, the samples were placed in a self-made moisture chamber and incubated for 1 h before characterization. The moisture (RH) was adjusted by saturated salt solutions. The RH from 11% to 95% was adjusted by saturated salt solutions of LiCl, MgCl2, NaBr, NaCl and KNO3, respectively. Fluorescent and optical images were collected on a Cannon digital camera. A MATLAB program was used to convert the optical images from RGB color space into CIE x and y chromaticity values [50 (link)].
5
SEM Imaging Using LEO 1530 and SU800
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Scanning electron microscopy (SEM) images were taken using an LEO 1530 Gemini and an SU800 Hitachi.
6
Synthesis and Characterization of 2D-NH4V3O8 Nanoflakes
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2D-NH4V3O8 was synthesized by
a simple hydrothermal
method. Typically, 1 g of NH4VO3 was dissolved
in 20 mL of DI water to obtain a dark-yellow solution. Then, pure
acid acetic was added slowly to the NH4VO3 solution
with constant stirring until a pH of 6 to obtain an orange solution.
This orange solution was transferred into a 100 mL Teflon-lined hydrothermal
stainless steel autoclave and heated at 160 °C for 48 h before
cooling down naturally to room temperature (27 °C). Finally,
the 2D-NH4V3O8 target material was
collected, washed with DI water, and dried at 80 °C for 12 h.
Herein, the structure and morphology of the 2D-NH4V3O8 nanoflakes were studied using various equipment,
including a scanning electron microscope (SEM, SU800, Hitachi), transmission
electron microscope (TEM, JEM-2100F, Joel), X-ray diffractometer (XRD,
D2 Bruker) with a Cu Kα tube, Raman spectrophotometer (Jobin
Yvon-Horiba, with 520 nm excitation wavelength of an Ar laser), X-ray
photoelectron spectrometer (nano-Auger/ESCA electron spectroscopy
vs XPS), and Fourier transform infrared (FTIR) spectrometer (PerkinElmer),
and by Brunauer–Emmett–Teller (BET) analysis using Micromeritics
ASAP 2020.
a simple hydrothermal
method. Typically, 1 g of NH4VO3 was dissolved
in 20 mL of DI water to obtain a dark-yellow solution. Then, pure
acid acetic was added slowly to the NH4VO3 solution
with constant stirring until a pH of 6 to obtain an orange solution.
This orange solution was transferred into a 100 mL Teflon-lined hydrothermal
stainless steel autoclave and heated at 160 °C for 48 h before
cooling down naturally to room temperature (27 °C). Finally,
the 2D-NH4V3O8 target material was
collected, washed with DI water, and dried at 80 °C for 12 h.
Herein, the structure and morphology of the 2D-NH4V3O8 nanoflakes were studied using various equipment,
including a scanning electron microscope (SEM, SU800, Hitachi), transmission
electron microscope (TEM, JEM-2100F, Joel), X-ray diffractometer (XRD,
D2 Bruker) with a Cu Kα tube, Raman spectrophotometer (Jobin
Yvon-Horiba, with 520 nm excitation wavelength of an Ar laser), X-ray
photoelectron spectrometer (nano-Auger/ESCA electron spectroscopy
vs XPS), and Fourier transform infrared (FTIR) spectrometer (PerkinElmer),
and by Brunauer–Emmett–Teller (BET) analysis using Micromeritics
ASAP 2020.
7
Morphology Characterization and Microwave Absorption of MCHMs
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The morphology of samples was investigated by a Hitachi SU800 type scanning electron microscope and an FEI Tecnai G2 F20 transmission electron microscopy. The average diameter of the samples was calculated from SEM micrographs using Nano measure software. The automatic specific surface area analyzer (ASAP 2460) was applied to ascertain the Brunauer–Emmett–Teller (BET) specific surface areas and the pore diameter distribution. And the pore diameter distribution of the samples was calculated by the BJH method. The phase structure of MCHMs was ascertained by a Rigaku D/MAX 2500 V X-ray diffractometer with a scanning scope of 10–90°. The degree of graphitization about the carbon of the samples was ascertained by the Raman spectrum (Renishaw inVia). The microwave absorption of samples was tested by testing the electromagnetic parameters with the Agilent PNA N5244A vector network analyzer under the coaxial-line method with the frequency ranges from 2 GHz to 18 GHz. To avoid agglomeration, MCHMs and paraffin wax were added to a solution of hexane with ultrasonic dispersion. The MCHMs were blended with paraffin wax (MCHMs:paraffin wax = 1 : 9) to form a coaxial ring (Fin¼ = 3.04 mm, Fout¼ = 7.0 mm).
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