期刊
CHEMISTRY OF MATERIALS
卷 27, 期 6, 页码 2127-2136出版社
AMER CHEMICAL SOC
DOI: 10.1021/cm504765z
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资金
- Engineering and Physical Sciences Research Council (EPSRC) UK [EP/G035954/1, EP/J021172/1]
- Defence Threat Reduction Agency [HDTRA1-12-1-0013]
- North West Nanoscience Doctoral Training Centre (NOWNano DTC)
- EPSRC [EP/H020047/1]
- EPSRC UK [EP/K010298/1, EP/K039547/1]
- Royal Society (London) Leverhulme Africa Award Program
- EPSRC [EP/K010298/1, EP/H020047/1, EP/G035954/1, EP/K005014/1, EP/K039547/1, EP/J021172/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J021172/1, EP/K005014/1, EP/K039547/1, EP/H020047/1, EP/G035954/1, EP/K010298/1] Funding Source: researchfish
Lead sulfide has been grown from single molecular precursors within a polymer matrix to form networks of PbS nanocrystals. These materials are model systems for the processing of polymer-nanoparticle layers for flexible hybrid photovoltaic devices. Processing is achieved by spin coating a solution containing the precursor and polymer onto a substrate, followed by heating of the film to decompose the precursor. The effect of precursor chemistry has been explored using lead(II) dithiocarbamates, their 1,10-phen adducts, and lead(II) xanthates with different alkyl chain lengths (butyl, hexyl, and octyl). The xanthates were found to be more promising precursors giving control over nanocrystal size and shape on variation of the alkyl chain length. The lead(II) octyl xanthate complex causes anisotropic growth, forming PbS nanowires within the polymer matrix.
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