Green synthesis of copper nanoparticles and conducting nanobiocomposites

What is it about?

Here we report a novel method for the green synthesis of Cu nanoparticles using henna leaves extract as reducing agent. We have also prepared an electrically conducting nanobiocomposite thin film using calcined Cu nanoparticles and collagen extracted from trimmed cowhide wastes from tannery. We confirmed that the nanobiocomposite thin film can be used for electrical applications using a simple LED lamp set-up.

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Why is it important?

The prepared Cu nanoparticles and nanobiocomposite thin films have potential for applications in fields such as photovoltaic devices. The synthesis protocol is simple, cost-effective, eco-friendly and ensures environmental sustainability. This study paves way for a new paradigm in the sustainable and cost-effective large scale synthesis of metal nanoparticles and nanobiocomposites.