Research Article

Improvement of Cochineal Extract (Dactylopius coccus Costa) Properties Based on the Green Synthesis of Silver Nanoparticles for Application in Organic Devices

Table 3

Crystal structure analysis of AgNPs synthesized from 0.1 and 0.4 ml of the cochineal extract dried at 40 and 100°C.

NameCrystal system<hkl>Color%
0.1 ml0.4 ml0.4 ml
Dried at 40°CDried at 100°C

ChlorargyriteCubic<002>Green2.13.2
Silver oxideCubic<111>
<002>
Red0.33.7
Sodium sulfideCubic<022>Orange14.612.2
Sulfur helicalHexagonal<110>Black15.226.1
IceTetragonal<021>Blue36.321.4
HaliteCubic<002>Wine11.010.8
Aluminium trihydroxideMonoclinic<200>Violet2.22.1
PotassiumCubic<001>Plum2.12.5
SilverCubic<111>
<002>
<022>
<113>
Black42.3

Values are obtained by Rietveld analysis.