Infrared spectroscopy indicates the presence of extensive hydrogen bonding within the amine−clay interlayer. Some of the amine species were found to intercalate in a nonprotonated state, resulting in ...

† Department of Material and Life Science, Graduate School of Engineering, Osaka University, ALCA, Japan Science and Technology Agency (JST), Suita, Osaka 565-0871, Japan ‡ Department of Chemistry and ...