title: SnSe nanocrystals: synthesis, structure, optical properties, and surface chemistry.
abstract: The colloidal synthesis of SnSe nanoparticles is accomplished through the injection of bis[bis(trimethylsilyl)amino]tin(II) into hot trioctylphosphine:selenium in the presence of oleylamine. Through the manipulation of reaction temperature particles are grown with the average diameter reliably tuned to 4-10 nm. Quantum confinement is examined by establishing a relationship between particle size and band gap while the in depth growth dynamics are illuminated through UV-vis-NIR spectroscopy. Surface chemistry effects are explored, including the demonstration of useful ligand exchanges and the development of routes toward anisotropic particle growth. Finally, transient current-voltage properties of SnSe nanocrystal films in the dark and light are examined.
authors.affiliation: Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA. wjb87@cornell.edu
authors.forename: William J
authors.initials: WJ
authors.lastname: Baumgardner
authors.forename: Joshua J
authors.initials: JJ
authors.lastname: Choi
authors.forename: Yee-Fun
authors.initials: YF
authors.lastname: Lim
authors.forename: Tobias
authors.initials: T
authors.lastname: Hanrath