Scattering and absorption properties of carbon nanohorn-based nanofluids for solar energy applicationsL. Mercatelli, E. Sani, D. Fontani, G. Zaccanti, F. Martelli and P. Di NinniJ. Eur. Opt. Soc.-Rapid Publ., 6 (2011) 11025DOI: https://doi.org/10.2971/jeos.2011.11025