Indium Sulfide Nanopowders Purify Water Using Solar Energy

Researchers from Kerala University in India developed Indium Sulfide (In2S3) nanopowders that can purify contaminated water using only solar energy.

In the study published in the Journal of Sol-Gel Science and Technology, the team composed of Nisha Chandran, Jayakrishnan Ramakrishnan, and Rani Abraham showed that the nanomaterials achieved 94% efficiency at purifying a water sample contaminated with Sulforhodamine B and 92% with dye molecules.

These results were achieved after the contaminated water containing the InS23 nanopowders was placed under direct sunlight continuously for two to three hours. During the purification process, the nanomaterials absorbed the contaminants, which could be removed to reuse the nanomaterials. However, reusing the nanopowders could decrease the materials’ water purification efficiency.

The team also shared in the study that the size of the nanopore is crucial in the speed of the purification process. Moreover, they synthesized the In2S3 nanopowders using a green chemistry approach, ensuring no byproducts harmful to the environment were produced.

Read the full article here to learn more about the In2S3 nanopowders.

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