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Because silicon-based solar cells have an intrinsic optical band-gap of 1.1 eV, low-energy photons having a wavelength longer than 1100 nm, e.g., infrared photons, cannot be absorbed by the solar cell and used for photovoltaic energy conversion. Only those photons that have an energy equal ...
With the aim to solve the serious problem of white plastic pollution, we report herein a low-cost process to quantitatively convert polyethylene terephthalate (PET) intop-xylene (PX) and ethylene glycol (EG) over modified Cu/SiO2catalyst using methanol as both solvent and hydrogen donor. Kinetic ...
After the pores were generated on the hydrogel surface, we dropped the nanoparticles at the interface and allowed them to settle into the pores. As time goes on, more and more SiO2 nanoparticles gradually embedded into the pores. Taking 200 nm, 500 nm, 1 μm nanoparticles as examples, we ...
HPLC determined the concentration of generated HA on a Sunfire C18 analytical column (4.6 mm × 150 mm; particle size: 5 µm, Waters Scientific Inc., Milford, MA, USA) at 228 nm. To analyse the mixtures, isocratic elution was conducted for 20 min in 85% mobile phase A (0.1% formic...
(Supplementary Fig.37). Solid-state UV–Vis spectra showed a decrease in the absorption peak of the oligomeric Sxpeaks at 450 and 520 nm after washing with CS2. TGA indicated similar thermal decomposition temperatures before and after purification. DSC showed a slightly decreasedTgafter ...
http://www.mediafire.com/view/?rks2rznmc7utswc Thanking, Md. Rokibul Alam Reply Ashish Mathursays: April 16, 2013 at 4:26 am Hi, After you have completed the steps of Data > Text to columns and Filtering, copy the filtered data to a new sheet and create a Pivot Table from that ...
Diffuse reflectance (DR) measurements gave the band-gap value of 4.16 eV for Ca9Gd0.88Sm0.12(PO4)7 nanophosphor. Detailed PL studies of CGPS phosphors indicated that with the excitation wavelength of 403 nm there was an intense orange-red emission appearing at 600 nm due to the partially ...
More importantly, with the assistance of the surface plasma resonance effect of Au, the visible light activity achieved 1.352 mg N/h under full arc Xe-lamp, and 0.452 mg N/h under pure visible light (λ > 400 nm). Comparing to the previous achievements in photocatalytic ...
elution buffer was maintained at a pH of 6.5, concentration of 50 mM of Tris-HCl, and flow rate of 1.5 mL/min, with detection performed at 280 nm. The fractions were individually collected based on absorption peaks, and subsequent lyophilization was carried out to confirm ACE-inhibitory ...