Band structure engineering via piezoelectric fields in strained anisotropic CdSe/CdS nanocrystals

@inproceedings{Christodoulou2015BandSE,
  title={Band structure engineering via piezoelectric fields in strained anisotropic CdSe/CdS nanocrystals},
  author={Sotirios Christodoulou and Fernando Rajadell and Alberto Casu and G. L. R. Vaccaro and Joel Q Grim and Alessandro Genovese and Liberato Manna and Juan I Climente and Francesco Meinardi and Gabriele Rain{\`o} and Thilo St{\"o}ferle and Rainer F. Mahrt and J. Planelles and Sergio Brovelli and Iwan Moreels},
  booktitle={Nature communications},
  year={2015}
}
Strain in colloidal heteronanocrystals with non-centrosymmetric lattices presents a unique opportunity for controlling optoelectronic properties and adds a new degree of freedom to existing wavefunction engineering and doping paradigms. We synthesized wurtzite CdSe nanorods embedded in a thick CdS shell, hereby exploiting the large lattice mismatch between the two domains to generate a compressive strain of the CdSe core and a strong piezoelectric potential along its c-axis. Efficient charge… CONTINUE READING
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