The sample was blowing hot air for 20 minutes onwards. There is a higher transmittance. And blowing hot air for 60 minutes is the transmittance of the highest
possibly due to the longer particles cause agglutination greater cause unevenness of particle film (from SEM), so there is a gap. The particle film, or an area where a lot of glass base. Therefore, the light transmittance of light
of blowing hot air at 5 minutes (from SEM) is the time. The particles are dispersed at best. A more uniform The observations of the area where the glass has less volume. Probably due to the oxide, the lowest value shines through.
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