Photoacoustic spectroscopy characterization of CdSe quantum rods T. A. El-Brolossy, S. Abdallah, T. Abdallah, H. Awad, M. B. Mohamed, S. Negm and H. Talaat Eur. Phys. J. Special Topics, 153 (2008) 369-372 Published online: 12 March 2008 DOI: 10.1140/epjst/e2008-00464-x