▎ 摘　　要

Using the chemical-microwave reduced procedure with H2O2, NaBH4, and citrate as reducer, a silver nanorod (AgNR)/reduced graphene oxide (rGO) nanosheet composite (AgNR/rGO) was prepared in a solution with good stability. Upon addition of NaCl and molecular probe of rhodamine 6G (Rh6G), a stable and sensitive AgNR/rGO-aggregation (AgNR/rGOA) surface-enhanced Raman scattering (SERS) nanosensor was fabricated for Rh6G that exhibited a strongest SERS peak at about 1505 cm(-1). The SERS peak intensity is linear to Rh6G concentration in the range of 1.0-600 nmol/L, with a detection limit of 0.2 nmol/L. Combined with the iodide SERS quenching effect on the molecular probe, a 8-1500 nmol/L iodine in solution was detected by this SERS nanosensor analytical platform, with satisfactory results.