Fig. 4From: The Fabrication of Nanoimprinted P3HT Nanograting by Patterned ETFE Mold at Room Temperature and Its Application for Solar CellThe two-dimensional (2D) GIWAXD images of P3HT thin film. a The 2D GIWAXD image of unimprinted P3HT thin film; b the 2D GIWAXD image of nanoimprinted P3HT thin film with grating direction parallel to the direction of incident X-rays; c the 2D GIWAXD image of nanoimprinted P3HT thin film with grating direction perpendicular to the direction of incident X-rays. The line width of P3HT nanograting is ~130 nm in the images a and b Back to article page