The strong hydrogen bonding ability of 2-pyridones were exploited to build nanotrains on surfaces.Carborane wheels on axles difunctionalized with 2-pyridone hydrogen bonding units were synthesized and displayed sponta...The strong hydrogen bonding ability of 2-pyridones were exploited to build nanotrains on surfaces.Carborane wheels on axles difunctionalized with 2-pyridone hydrogen bonding units were synthesized and displayed spontaneous formation of linear nanotrains by self-assembly on SiO_(2)or mica surfaces.Imaging using atomic force microscopy confi rmed linear formations with lengths up to 5μm and heights within the range of the molecular height of the carborance-tipped axles.展开更多
基金Welch Foundation,Zyvex Corporation,American Honda Motor Co.,the NSF NIRT 07111302the NSF Penn State MRSEC for fi nancial support.The NSF,CHEM 0075728provided partial funding for the 400 MHz NMR spectrometer.
文摘The strong hydrogen bonding ability of 2-pyridones were exploited to build nanotrains on surfaces.Carborane wheels on axles difunctionalized with 2-pyridone hydrogen bonding units were synthesized and displayed spontaneous formation of linear nanotrains by self-assembly on SiO_(2)or mica surfaces.Imaging using atomic force microscopy confi rmed linear formations with lengths up to 5μm and heights within the range of the molecular height of the carborance-tipped axles.