Fig. 3From: The Fabrication of Nanoimprinted P3HT Nanograting by Patterned ETFE Mold at Room Temperature and Its Application for Solar CellThe telescopic images of water drop on the ETFE membrane surface before and after surface patterning by thermal NIL method. a The telescopic image of water drop on the ETFE membrane surface before thermal NIL process; b The telescopic images of water drop on the ETFE membrane surface after thermal NIL processBack to article page