%0 Journal Article %T Polyoxotungstate-Surfactant Layered Crystal toward Conductive Inorganic-Organic Hybrid %A Takeru Ito %A Nozomu Fujimoto %A Sayaka Uchida %A Jun Iijima %A Haruo Naruke %A Noritaka Mizuno %J Crystals %D 2012 %I MDPI AG %R 10.3390/cryst2020362 %X A polyoxotungstate-surfactant hybrid layered compound was synthesized as a single phase by using decatungstate ([W 10O 32] 4£¿, W 10) and hexadecylpyridinium (C 16py). The X-ray structure analysis combined with infrared spectroscopy and elemental analysis revealed the formula to be (C 16py) 4[W 10O 32] (C 16py-W 10). The layered structure consisted of alternative stacking of W 10 inorganic monolayers and interdigitated C 16py bilayers with layered periodicity of 23.3 £¿. Each W 10 anion in the W 10 inorganic monolayers was isolated by the hydrophilic heads of C 16py. The hybrid crystals of C 16py-W 10 decomposed at around 500 K. The conductivity of the hybrid layered crystal was estimated to be 4.8 ¡Á 10 £¿6 S cm £¿1 at 423 K by alternating current (AC) impedance spectroscopy. %K inorganic-organic hybrid %K layered crystal %K polyoxometalate %K surfactant %U http://www.mdpi.com/2073-4352/2/2/362