Synthesis of AgInS<sub>2</sub> semiconductor nano crystals by solvothermal method

Sugan, S.; Dhanasekaran, R.

doi:10.1088/1757-899x/73/1/012147

Cited by 2 publications

(1 citation statement)

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“…The tetragonal phase of AgInS 2 does not exhibit any peaks at <26° (2⊖ value). The slightly widened peaks could be attributed to the decreased nanocrystal size as observed in the transmission electron microscopy (TEM) images (Figure ) and also observed in the previous reports. − Moreover, the Raman results aid in confirming the orthorhombic phase as the peaks at 264 and 316 cm –1 correspond to the orthorhombic wurtzite structure, while the peaks of the tetragonal phase only appear at 240 and 345 cm –1 , which are absent in this case (the inset of Figure ). ,,, …”

Section: Resultssupporting

confidence: 86%

Ternary Metal Chalcogenide Heterostructure (AgInS₂–TiO₂) Nanocomposites for Visible Light Photocatalytic Applications

et al. 2019

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Hybrid nanoarchitectures of AgInS2 and TiO2 photocatalysts were prepared by using a modified sol–gel method. The experimental results reveal that these nanocomposites display enhanced visible light absorption and effective charge carrier separation compared to their pristine parent samples (AgInS2 or TiO2). 0.5 wt % AgInS2 loading was found to be the optimum concentration for photocatalytic applications. More than 95% of doxycycline degradation was achieved within 180 min of solar light illumination. Similarly, the dopant concentrations at lower values (<2 wt %) exhibited 300 times higher H2 generation rate under visible light irradiation compared to AgInS2 and TiO2. The microbial strains (Escherichia coli and Staphylococcus aureus) exhibited a 99.999% reduction within half an hour of simulated solar light illumination. The computational investigation was employed to understand the structural, electronic, and the dielectric properties of AgInS2 and TiO2 composites. The improved photocatalytic results are explained as a result of the decreased rate of exciton recombination. The current investigation opens up new insights into the use of novel ternary heterostructure nanocomposites for improved visible light activity.

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