Two new metal-organic frameworks, {[Cd2CI(HL)(H20)2"0.5H20]}n (1) and {[Cd2L(H20)2]'H20}n (2), have been hydrothermally synthesized with designed ligand H4L (HaL = 1,3,5-triazine-2-iminodiacetic acid-4,6-...Two new metal-organic frameworks, {[Cd2CI(HL)(H20)2"0.5H20]}n (1) and {[Cd2L(H20)2]'H20}n (2), have been hydrothermally synthesized with designed ligand H4L (HaL = 1,3,5-triazine-2-iminodiacetic acid-4,6-biglycine) under the same condition except for different pH values. Single-crystal X-ray determination shows that they are 3-D frameworks. Complex 1 crystallizes in monoclinic, space group P21/n. Complex 2 crystallizes in triclinic, space group Pi. The photoluminescence properties of those two complexes have been investigated in solid state. Complexes 2 exhibited remarkable blue luminescence emissions with high quantum yield of 40.3% On the other hand, complexes 1 featured weak quantum yields of 13.7%.展开更多
基金supported the National Ministry of Science and Technology of China(2012CB821702)the National Science Foundation of China(21073192,21203194 and 21233009)the Science Foundation of CAS and Fujian Province(KJCX2-YW-H20)
文摘Two new metal-organic frameworks, {[Cd2CI(HL)(H20)2"0.5H20]}n (1) and {[Cd2L(H20)2]'H20}n (2), have been hydrothermally synthesized with designed ligand H4L (HaL = 1,3,5-triazine-2-iminodiacetic acid-4,6-biglycine) under the same condition except for different pH values. Single-crystal X-ray determination shows that they are 3-D frameworks. Complex 1 crystallizes in monoclinic, space group P21/n. Complex 2 crystallizes in triclinic, space group Pi. The photoluminescence properties of those two complexes have been investigated in solid state. Complexes 2 exhibited remarkable blue luminescence emissions with high quantum yield of 40.3% On the other hand, complexes 1 featured weak quantum yields of 13.7%.