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    Synthesis of CdS nanocrystals in polymeric films studied by in-situ GID and GISAXS

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    Type
    Conference Paper
    Authors
    Di Luccio, Tiziana
    Carbone, Dina
    Masala, Silvia
    Ramachandran, Karthik
    Kornfield, Julie
    KAUST Department
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    Date
    2015-07-07
    Online Publication Date
    2015-07-07
    Print Publication Date
    2015
    Permanent link to this record
    http://hdl.handle.net/10754/621790
    
    Metadata
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    Abstract
    In this work, we describe the synthesis of CdS nanocrystals in thin polymeric films by in-situ Grazing Incidence Diffraction (GID) and Grazing Incidence Small Angle Scattering (GISAXS). The 2D GISAXS patterns indicate how the precursor structure is altered as the temperature is varied from 25°C to 300°C. At 150°C, the CdS nanocrystals start to arrange themselves in a hexagonal lattice with a lattice parameter of 27 A. The diffraction intensity from the hexagonal lattice reaches a maximum at 170"C and decreases steadily upon further heating above 220°C indicating loss of symmetry. Correspondingly, the GID scans at 170°C show strong crystalline peaks from cubic CdS nanocrystals that are about 2 nm size. The results indicate that a temperature of 170°C is sufficient to synthesize CdS nanocrystals without degradation of the polymer matrix (Topas) in thin films (about 30nm). © 2015 Materials Research Society.
    Citation
    Di Luccio T, Carbone D, Masala S, Ramachandran K, Kornfield J (2015) Synthesis of CdS nanocrystals in polymeric films studied by in-situ GID and GISAXS. MRS Proceedings 1810. Available: http://dx.doi.org/10.1557/opl.2015.676.
    Publisher
    Cambridge University Press (CUP)
    Journal
    MRS Proceedings
    Conference/Event name
    2015 MRS Spring Meeting
    DOI
    10.1557/opl.2015.676
    Additional Links
    http://downloads.hindawi.com/journals/smr/2012/872439.pdf
    http://journals.cambridge.org/abstract_S1946427415006764
    ae974a485f413a2113503eed53cd6c53
    10.1557/opl.2015.676
    Scopus Count
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; KAUST Solar Center (KSC)

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