Raman microprobe analysis of elastic strain and fracture in electrophoretically deposited CdSe nanocrystal films. Academic Article uri icon

abstract

  • The mechanical stability of nanocrystal films is critical for applications, yet largely unexplored. Raman microprobe analysis used here to probe the nanocrystal cores of thick, fractured electrophoretically deposited films of 3.2 nm diameter CdSe nanocrystals measures approximately 2.5% in-plane tensile strain in cores of unfractured films. The crack dimensions determine the overall in-plane film strain, approximately 11.7%, and the film biaxial modulus, approximately 13.8 GPa, from which the biaxial modulus of the trioctylphosphine oxide ligand matrix is inferred, approximately 5.1 GPa.

published proceedings

  • Nano Lett

altmetric score

  • 3

author list (cited authors)

  • Banerjee, S., Jia, S., Kim, D. I., Robinson, R. D., Kysar, J. W., Bevk, J., & Herman, I. P.

citation count

  • 32

complete list of authors

  • Banerjee, Sarbajit||Jia, Shengguo||Kim, Dae I||Robinson, Richard D||Kysar, Jeffrey W||Bevk, Joze||Herman, Irving P

publication date

  • February 2006