Figure 2From: Bimetallic non-alloyed NPs for improving the broadband optical absorption of thin amorphous silicon substratesMeasured optical properties of Au NPs, Ag NPs, and Au-Ag BNNPs on glass substrate and bare glass (as a reference). (a) Transmittance (solid line) and reflectance spectra (dot line) (the inset shows the BNNP structure on thin a-Si). (b) Forward scattering + absorption spectra.Back to article page