Figure 5From: In situ-prepared composite materials of PEDOT: PSS buffer layer-metal nanoparticles and their application to organic solar cellsOptical properties of PEDOT:PSS-metal NPs. (a) UV–vis absorption spectra of the PEDOT:PSS-metal NPs in solutions, (b) transmittance spectra of the glass/PEDOT:PSS-metal NPs, and (c) absorption spectra of glass/PEDOT:PSS-metal NPs/active layer.Back to article page