Bi-functional ZnO-RGO-Au substrate: photocatalysts for degrading pollutants and SERS substrates for real-time monitoring.

A ZnO-RGO-Au composite with bi-functional behavior was fabricated: it was employed both as a photocatalyst for degrading pollutants (Rhodamine 6G) and a SERS substrate for real-time monitoring of the degradation quantitatively.

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