Nano-size crystals of molecular conductors have been directly formed on SiO2/doped-Si substrates. Two kinds of methods were used for this on-site crystal growth, one of which is electrochemical crystallization on electrodes prepared on the substrate, and the other of which is direct reaction of metal copper or silver electrodes with acceptor molecules such as DCNQI (= N,N′-Dicyanobenzoquinonediimine) derivatives on the substrate. In both cases, we have succeeded in bridging two or more electrodes with the single crystal of the molecular conductors. Temperature dependence of the resistivity often exhibited significantly different behaviors from those of the corresponding bulk crystals. Origins of the unusual behaviors of the nano-crystals are discussed.
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Yamamoto, H.M., Ito, H., Shigeto, K. et al. Nano-Size Molecular Conductors on Silicon Substrate Toward Device Integration of Conductive CT Salts. J Low Temp Phys 142, 219–224 (2006). https://doi.org/10.1007/s10909-006-9013-2
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DOI: https://doi.org/10.1007/s10909-006-9013-2