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    Solubility studies of inorganic–organic hybrid nanoparticle photoresists with different surface functional groups

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    Type
    Article
    Authors
    Li, Li cc
    Chakrabarty, Souvik
    Jiang, Jing
    Zhang, Ben
    Ober, Christopher
    Giannelis, Emmanuel P.
    Date
    2016
    Permanent link to this record
    http://hdl.handle.net/10754/599658
    
    Metadata
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    Abstract
    © 2016 The Royal Society of Chemistry. The solubility behavior of Hf and Zr based hybrid nanoparticles with different surface ligands in different concentrations of photoacid generator as potential EUV photoresists was investigated in detail. The nanoparticles regardless of core or ligand chemistry have a hydrodynamic diameter of 2-3 nm and a very narrow size distribution in organic solvents. The Hansen solubility parameters for nanoparticles functionalized with IBA and 2MBA have the highest contribution from the dispersion interaction than those with tDMA and MAA, which show more polar character. The nanoparticles functionalized with unsaturated surface ligands showed more apparent solubility changes after exposure to DUV than those with saturated ones. The solubility differences after exposure are more pronounced for films containing a higher amount of photoacid generator. The work reported here provides material selection criteria and processing strategies for the design of high performance EUV photoresists.
    Citation
    Li L, Chakrabarty S, Jiang J, Zhang B, Ober C, et al. (2016) Solubility studies of inorganic–organic hybrid nanoparticle photoresists with different surface functional groups. Nanoscale 8: 1338–1343. Available: http://dx.doi.org/10.1039/c5nr07334k.
    Sponsors
    The authors gratefully acknowledge funding support from SEMATECH and facilities support from Lawrence Berkeley National Laboratory (LBNL), Cornell Nanoscale Science and Technology (CNF), the Cornell Center for Materials Research (CCMR) and the KAUST-Cornell Center of Energy and Sustainability (KAUST-CU).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Nanoscale
    DOI
    10.1039/c5nr07334k
    PubMed ID
    26695121
    ae974a485f413a2113503eed53cd6c53
    10.1039/c5nr07334k
    Scopus Count
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