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Abstract

A band gap is the foremost feature required for any material to be useful in the electronic industry. So a device must be flexible enough that its band gap can be tuned in numerous ways, if initially it has a zero band gap. So an extensive review has been carried out in analyzing a nanomaterial, silicene for its band gap tuning. The results reveal that the pristine silicene, which is actually a semimetal, exhibits varied levels of band gap tuning on introducing vacancy defect and gas molecule adsorption.

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