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Frontiers in Physics
The non-linear absorption properties of reduced graphene-oxide (RGO) have been studied extensively but the optical limiting (OL) performance of RGO was always confined to visible light. In this study, by anchoring SnSe nanosheets onto the surface of RGO, the reduced graphene-oxide and a tin-selenide (SnSe/RGO) nanohybrid shows a broader reverse saturable absorption (RSA), ranging from 400 to 800 nm, and an enhanced non-linear optical (NLO) response. The improvement of the NLO absorptiondoi:10.3389/fphy.2020.00298 fatcat:ah4vxzuyindl3l4ff6evn2pzxu