Benefits of disorder in two-dimensional arrays of metal nanoparticles

摘要

We investigate the impact of disorder on the properties of surface plasmons in metal nanoparticle arrays and develop analytical expressions enabling us to ascertain the degree of localization and mixing between the SP states. We show that when it comes to enhancing the luminescence disordered (or, rather, aperiodic) structures perform significantly better than the periodic ones. We provide the guidelines to engineering the aperiodicity for specific tasks.