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Researchers from the Singapore University of Design and Technology (SUTD) have engineered a new inexpensive nanomaterial that has applications ranging from biomolecule detectors to solar energy conversion. The key to the material's remarkable performance is its nanostructure, which strongly interacts with visible and infrared light. This nanomaterial is easily coated onto other materials, including plastics, thus providing them with new functions.

The nanomaterial can be used to improve solar cells as it is strongly absorbs light, and in addition its structure can be engineered to optically detect minute traces of biomolecules. The material consists of silver particles, which are 1000 times smaller than the width of a human hair. Unlike other methods used nanostructures, the fabrication method for this nanomaterial does not require acids and is performed at room temperature. This means that the material can be coated onto a range of substrates, including flexible plastics.

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Category: Science