Design and fabrication of structural color by local surface plasmonic meta-molecules

Ma Ya-Qi^a), Shao Jin-Hai^a), Zhang Ya-Feng^b), Lu Bing-Rui^a), Zhang Si-Chao^a), Sun Yan^c), Qu Xin-Ping^d), Chen Yi-Fang†^a)

SEM images for (a) hole arrays in PMMA, (b) ring arrays in PMMA, (c) hole arrays in Al/PMMA, (d) ring arrays in Al/PMMA. The nano pillars fall when taking the SEM photos.