Photoacoustic characterization of optical and thermal properties of CdSe quantum dots T. A. El-Brolossy, S. Abdallah, T. Abdallah, M. B. Mohamed, S. Negm and H. Talaat Eur. Phys. J. Special Topics, 153 (2008) 365-368 Published online: 12 March 2008 DOI: 10.1140/epjst/e2008-00463-y