Hot spots enriched plasmonic nanostructure-induced random lasing of quantum dots thin film

Shan Feng^{1, 3}, Zhang Xiao-Yang^{1, 2, 3}, Wu Jing-Yuan^{1, 3}, Zhang Tong^{1, 2, 3, †}

(color online) (a) TEM image and (b) normalized absorption and emission spectra of the CdSe/ZnS QDs, and (c) TEM image and (d) normalized absorption spectrum of the gold seeds.