A 20-A-thick interwoven sheet consisting of nanotubes.
Slow diffusion of AgNO3 with Me2Si(4-Py)2 yields an interwoven 2-nm-thick sheet consisting of the building block [Ag3(Me2Si(4-Py)2)4](NO3)3.H2O. The interweaving induces unique nanotunnels with a 16 x 18 A2 cross section with a 7 x 8 A2 square pore. The anion NO3- of the skeletal sheet can be reversibly exchanged with appropriately sized anions without the collapse of its structural integrity. The compound has a melting point (140 degrees C) and exists as the first 2D ionic liquid up to 193 degrees C.
Jung
Ok-Sang
OS
Materials Chemistry Laboratory, Korea Institute of Science and Technology, Seoul 136-791, Korea. oksjung@kist.re.kr
Kim
Yun Ju
YJ
Kim
Kwan Mook
KM
Lee
Young-A
YA