A mesoporous(d=2.3mm)silica-pillared layered tetratita nate with a super gallery(d 001 =1.84mm)was prepared by first preswelling layered tetratitanate with n-dodecyl amine,then reacting with 20wt%NH 2 (CH 2 ) 3 Si (OC...A mesoporous(d=2.3mm)silica-pillared layered tetratita nate with a super gallery(d 001 =1.84mm)was prepared by first preswelling layered tetratitanate with n-dodecyl amine,then reacting with 20wt%NH 2 (CH 2 ) 3 Si (OC 2 H 5 ) 3 aqueous solution,and finally calcinating the resultant solid product i n air at 550℃.All the reaction was carried out hydrothermally in an aut oclave at 130℃.The obtained materia l has a relatively high BET surface area of204m 2 ·g -1 and a thermal stability beyond 600℃.The catalytic application of the material was also investigated by using the dehydration of isopropanol and the reform of n-hexane as two probing reactions.展开更多
The complex Cu2(μ dppb)2(μ Cl)2 has been synthesized from the reaction of CuCl, dppb and (n Bu)4NCl. The crystal belongs to the triclinic with space group . The unit cell parameters are: a=9.939(4)?, b=10.083(6)?, c...The complex Cu2(μ dppb)2(μ Cl)2 has been synthesized from the reaction of CuCl, dppb and (n Bu)4NCl. The crystal belongs to the triclinic with space group . The unit cell parameters are: a=9.939(4)?, b=10.083(6)?, c=14.104(5)?, α=76.46(3)°, β=71.02(2)°, γ=70.87(5)°. The single crystal X ray diffraction analysis reveals that it has a bi ring structure with a symmetry center at the middle of two Copper atoms. The outer ring is a 14 membered ring of Cu dppb Cu dppb, and the inner ring is a 4 membered ring composed of two Cl- and two Cu?. Investigation of third order optical nonlinearity shows that it exhibits considerable nonlinear absorptive and self defocusing effect with α2=1.75×10-13m·W-1 and n2=3.19 ×10-18m2·W-1. CCDC: 193113.展开更多
文摘A mesoporous(d=2.3mm)silica-pillared layered tetratita nate with a super gallery(d 001 =1.84mm)was prepared by first preswelling layered tetratitanate with n-dodecyl amine,then reacting with 20wt%NH 2 (CH 2 ) 3 Si (OC 2 H 5 ) 3 aqueous solution,and finally calcinating the resultant solid product i n air at 550℃.All the reaction was carried out hydrothermally in an aut oclave at 130℃.The obtained materia l has a relatively high BET surface area of204m 2 ·g -1 and a thermal stability beyond 600℃.The catalytic application of the material was also investigated by using the dehydration of isopropanol and the reform of n-hexane as two probing reactions.
文摘The complex Cu2(μ dppb)2(μ Cl)2 has been synthesized from the reaction of CuCl, dppb and (n Bu)4NCl. The crystal belongs to the triclinic with space group . The unit cell parameters are: a=9.939(4)?, b=10.083(6)?, c=14.104(5)?, α=76.46(3)°, β=71.02(2)°, γ=70.87(5)°. The single crystal X ray diffraction analysis reveals that it has a bi ring structure with a symmetry center at the middle of two Copper atoms. The outer ring is a 14 membered ring of Cu dppb Cu dppb, and the inner ring is a 4 membered ring composed of two Cl- and two Cu?. Investigation of third order optical nonlinearity shows that it exhibits considerable nonlinear absorptive and self defocusing effect with α2=1.75×10-13m·W-1 and n2=3.19 ×10-18m2·W-1. CCDC: 193113.
