The structural information was collected using a PANalytical/X Pert powder X-ray diffractometer. The vibrational modes were examined using a Thermo Nicolet 380 FTIR spectrophotometer. The optical properties were analyzed using an Ocean optics HR2000 spectrometer. The morphology of the samples was characterized using a Carl Zeiss EVO-18 scanning electron microscope. The surface area was analyzed using a Quantachrome Nova 2200e surface area and pore size analyzer.
Hr2000 spectrometer
Manufactured by OceanOptics
Sourced in United States
The HR2000+ spectrometer is a high-resolution optical instrument designed for spectroscopic analysis. It features a compact size, high-sensitivity detector, and a wide wavelength range. The core function of the HR2000+ is to measure and analyze the intensity of light across different wavelengths, providing detailed spectral data for a variety of applications.
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Lab products found in correlation
Qe pro spectrometer, by OceanOptics (2 mentions)
Dual pam 100, by Walz (2 mentions)
Evo 18 scanning electron microscope, by Zeiss (1 mentions)
Nicolet 380 ft ir spectrophotometer, by Thermo Fisher Scientific (1 mentions)
Aunps, by Merck Group (1 mentions)
Quartz cuvette, by Thorlabs (1 mentions)
Acetonitrile, by Merck Group (1 mentions)
Acetone, by Merck Group (1 mentions)
Isopropyl alcohol ipa, by Merck Group (1 mentions)
Dh 2000 bal deuterium halogen light source, by OceanOptics (1 mentions)
Fluorolog 3, by Horiba (1 mentions)
Ls 110, by Konica Minolta (1 mentions)
Milli q, by Merck Group (1 mentions)
Tris hydroxymethyl aminomethane tris, by Merck Group (1 mentions)
Ethyl alcohol anhydrous, by Daejung Chemicals (1 mentions)
Styrene, by Merck Group (1 mentions)
S 4800, by Hitachi (1 mentions)
Potassium persulfate, by Merck Group (1 mentions)
Dopamine hydrochloride, by Merck Group (1 mentions)
Tetraethyl orthosilicate, by Merck Group (1 mentions)
12 protocols using hr2000 spectrometer
1
Structural, Vibrational, and Optical Characterization
2
Photoluminescence Spectroscopy with POF Splitter
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Photoluminescence spectra were recorded using an Ocean Optics HR-2000 spectrometer. A simple color-filter from LEE Filters, was used to remove the excitation wavelengths from the back-propagating light. A 1 mm POF splitter was acquired from Fiber-Fin and a blue LED with center-wavelength at 470 nm was used for excitation. The setup is depicted in Figure 4 .
3
Characterization of Gold Nanoparticles
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The AuNPs were purchased from Sigma Aldrich (St. Louis, MO, USA) in 25 mL bottles in 0.1 mM PBS. The studied particle diameters were 20 nm (product no 753610), 40 nm (product no 753637), 60 nm (product no 753653), 80 nm (product no 753661), and 100 nm (product no 753688). Methanol (34885-1L), Acetone (product number 179124), Isopropyl alcohol (IPA) (product number W292907), and Acetonitrile (product number 271004) were also purchased from Sigma Aldrich. Quartz cuvettes (product name CV10Q700F) for UV-VIS absorbance measurements were purchased from Thorlabs. The experimental UV-VIS data were collected using an Ocean Insight (Geograaf, EW Duiven, The Netherlands) HR2000+ spectrometer (product name HR2000CG, Ocean Insight). An Ocean Insight CUV-ALL-UV cuvette holder (product name CUV-UV, Ocean Insight) was used. The light source used was a DH-2000 BAL deuterium halogen light source (product number DH-2000-BAL, Ocean Insight).
4
Ultrasonic Extract Reducing Power Assay
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The reducing power of the ultrasonic extract was determined according to an established method [24 (link)]. Increased absorbance of the reaction mixture indicated increased reducing power. Evaluation of the reduction potency was performed by mixing each extract in different solutions. The mixture was incubated at 50 °C for 20 min. Trichloroacetic acid (TCA, 10%, 2.5 mL) was added to a portion of this mixture (5 mL) and centrifuged at 3000× g for 10 min. The supernatant was separated and mixed with distilled water (2.5 mL) containing 1% ferric chloride (0.5 mL). The absorbance was measured at 700 nm (Ocean Optics HR2000+ Spectrometer, Ostfildern, Germany).
5
Spectrometric Color Filter Analysis
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The measurements were performed using an Ocean Optics HR2000 spectrometer. Simple color filters from LEE Filters were used for the removal of excitation light.
6
Luminescence Properties of Phosphor Particles
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Optical properties of these materials were investigated by measuring emission and excitation spectra. The photoluminescence spectra of the phosphor particles were recorded with a spectrofluorometer (Fluorolog®-3, HORIBA Jobin Yvon) at RT. The emission spectrum was measured over the wavelength 400–650 nm, a Xenon arc lamp was used as excitation source (λexc = 380 nm). The decay profiles were also recorded using the same instrument after the samples were exposed to Solar Simulator, indoor artificial light and monochromatic light, λexc = 380 nm, for about 10 minutes. A relationship has been established between the luminescence intensity obtained by the spectrofluorometer and the luminace (cd/m2) obtained by using a luminance meter (LS-110, Konica Minolta Sensing, Inc.) and verifying the relationship following the approach by Clabau et al.36 . The radioluminescence measurements were obtained exciting the powders with Cu X-ray tube source on Rigaku Ultima+RINT2000/PC diffractometer and light collection was done using an Ocean Optics HR2000 spectrometer equipped with an optical fiber, the spectra were recorded at RT.
7
Characterization of 594-phosphor LED Spotlight
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In this study a 300 W ViugreumTM spotlight (Guangdong Zhongshan Yilangde Illumination CO. Ltd., Zhongshan City, China) containing a 594-phosphor white LED panel with an emission divergence of 120° and emitting a 36000 lum and 6500 K light, was used. Since the manufacturer of the spotlight supplies only the color temperature of the light emitted but not the specific emission spectrum, the latter was measured using a HR2000+ spectrometer (Ocean Optics, Largo, Florida), which has a wavelength range of detection from 190 nm to 1100 nm. The light of the lamp has been coupled to the spectrometer through an optical fiber.
8
Synthesis and Characterization of Dye-Loaded Silica Nanoparticles
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Tetraethyl orthosilicate (TEOS, 98%), dopamine·hydrochloride, tris (hydroxymethyl) aminomethane (Tris) and potassium persulfate (99+%) were purchased from Sigma-Aldrich. Sudan I, Sudan Blue II and Alizarin Yellow GG were purchased from Tokyo Chemical Industry Co., Ltd. and ethyl alcohol anhydrous (99.9%) was purchased from Daejung Chemicals. Bromocresol purple and sodium n-dodecyl sulfate (99%) were purchased from Alfa Aesar and N,N′-methylenebisacrylamide was purchased from Fluka Chemicals. Styrene (≥99%) was purchased from Sigma-Aldrich and purified through a neutral alumina column to remove inhibitors. All other chemicals were used without further purification. Deionized (DI) water (>18.4 MΩ cm) was produced by Milli-Q (Millipore, USA). The synthesized nanoparticles were purified by sequential centrifugations using Supra R22 (Hanil, Korea) and CF-10 (Daihan-Scientific, Korea). Diameters of the synthesized nanoparticles were determined by taking the average of over 100 particle images obtained with a scanning electron microscope (Hitachi S-4800). Absorbance spectra of dyes were obtained on a UV-Vis spectrometer (Agilent 8453); reflectance spectra and CIE (Commission International de l'Eclairage) XYZ colour spaces of HPSs were obtained using an HR2000+ spectrometer (Ocean Optics, USA) equipped with UV-Vis-NIR light source. Photograph images were taken with Nikon D-90.
9
Optical Diagnostics of DBD Plasma Reactive Species
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OES was employed for optical diagnostics of the reactive gas species generated by the DBD plasma in the gas phase. The emission spectra were measured using a computer‐controlled HR2000+ spectrometer (Ocean Optics Inc.) with a 0.66 nm optical resolution and 1000 mm optical fibres. In addition, the fibres had a numerical aperture of 0.22 and were optimized for use in the ultraviolet and visible portions of the spectra with a wavelength range between 200 and 1100 nm. The data were analysed using OceanView Optics software (Ocean Optics Inc.). The peaks were identified by comparing with the NIST Atomic Spectra Database (Xu et al., 2017 ).
10
Laser-Induced Breakdown Spectroscopy Analysis
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Figure 1 show the experimental setup used. The irradiation source was a Q-switched Nd:YAG laser (Continuum Surelite II) with pulse duration of approximately 7 ns (full width at halfmaximum, FWHM) operating at 1064 nm. The laser beam was focused on the sample using a 20 cm focal lens. The energy of the laser pulse was controlled to have laser fluences of the order of 20 J∕cm 2 . To collect the radiation emitted by the plasma, a fused silica optical fiber (0.5 mm opening), was used. Detection and analysis were made by using an Ocean Optics HR2000+ spectrometer (spectral range 250-1100 nm, resolution 1.5 nm). To avoid bremsstrahlung emission, an electronic delay system was used.
LIBS spectra were obtained by averaging in each measurement 10 laser shots. For each sample, 20 sets of spectra were obtained, each corresponding to a different region of the sample. The set of 20 spectra were averaged to obtain a final value with its dispersion. Each spectrum was integrated over 3 ms. Data were processed with the Origin8 program, and line emissions were identified by using data from the NIST database [19] .
LIBS spectra were obtained by averaging in each measurement 10 laser shots. For each sample, 20 sets of spectra were obtained, each corresponding to a different region of the sample. The set of 20 spectra were averaged to obtain a final value with its dispersion. Each spectrum was integrated over 3 ms. Data were processed with the Origin8 program, and line emissions were identified by using data from the NIST database [19] .
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