Deposition of silicon dioxide antireflection coatings on glass by sol-gel method in the presence of Pluronic® F127 block-copolymer

Morozov, A. G.; Troitskii, B. B.; Lokteva, A. A.; Lopatina, T. I.; Батенькин, М. А.; Mamaev, Yu. A.; Fedyushkin, I. L.

doi:10.1134/s1070427216010171

Cited by 3 publications

(1 citation statement)

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“…For comparison, Figure 4 c shows the SEM image and histogram of pores of the coating based on SiO 2 and block copolymer F-127 (3 wt.%) at an annealing temperature T = 400 °C, with ~98% transmittance and n = 1.33 [ 39 ]. According to the histogram data ( Figure 4 (c1)), there are no pores larger than 30 nm 2 , and most of the pores have an area size of up to 4 nm 2 (their quantity is about 4400), which is comparable with the histogram data for SiO 2 /TBAB/Gold coating ( Figure 4 (b1)).…”

Section: Resultsmentioning

confidence: 99%

Novel Antireflection Coatings Obtained by Low-Temperature Annealing in the Presence of Tetrabutylammonium Bromide and Gold Nanoparticles

et al. 2022

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In this work, nanoporous antireflective coatings on silicate glass were obtained from silicon dioxide sol compositions by the sol-gel method in the presence of quaternary ammonium salt (tetrabutylammonium bromide) at different annealing temperatures (200–250 °C). Varying the salt concentration from 3 to 5 wt.%, we achieved the transmittance of the coatings of about 97% at 250 °C in comparison with 91% for clean glass in the wavelength range from 400 to 1100 nm. The addition of gold nanoparticles to the composition containing 5 wt.% tetrabutylammonium bromide allowed us to decrease the annealing temperature to 200 °C, preserving the transmittance at the level of 96.5%. For this case, the optimal concentration of gold nanoparticles is determined (2.6 × 10−9 mol/mL). According to the SEM analysis, the obtained antireflective coatings contain pores with a minimum area size up to 4 nm2.

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Section: Resultsmentioning

confidence: 99%