Phosphorescent molecular tweezers based on alkynylplatinum(II) terpyridine system: turning on of NIR emission via heterologous Pt•••M interactions (M = PtII, PdII, AuIII and AuI)

被引：103
作者：
Tanaka, Yuya
Wong, Keith Man-Chung
Yam, Vivian Wing-Wah [1 ]
机构：
[1] Univ Grants Comm, Inst Mol Funct Mat, Areas Excellence Scheme, Hong Kong, Peoples R China
来源：
CHEMICAL SCIENCE | 2012年 / 3卷 / 04期
关键词：
PI-PI INTERACTIONS; METAL-METAL INTERACTIONS; PLATINUM(II) COMPLEXES; METALLOPHILIC INTERACTIONS; PHOTOPHYSICAL PROPERTIES; ELECTRONIC SPECTROSCOPY; CRYSTAL-STRUCTURES; LUMINESCENCE; PT(II); AGGREGATION;
D O I：
10.1039/c2sc00935h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel molecular tweezers-type complex 1, based on a phosphorescent cationic alkynylplatinum(II) terpyridine building block, has been synthesized and characterized by NMR, mass spectroscopy, elemental analysis and X-ray diffraction study. Host-guest chemistry of the host complex 1 and various guest metal complexes with different ligands, charges and/or metal centres has been investigated. Various metal complexes including the negatively charged platinum complexes can interact with 1 in a 1 : 1 manner, which is in contrast to the commonly observed formation of insoluble platinum(II) double salts in a one-dimensional infinite chain such as the Magnus's green salt. Upon addition of guest molecules to 1 in CH2Cl2 solution, spectroscopic changes with new absorptions and emissions in the lower-energy region were observed as a result of significant metal-metal, pi-pi, and electrostatic interactions. H-1 NMR titration and 2D NMR studies suggest that the host-guest interaction is predominantly in the sandwiched association mode of the molecular tweezers.
引用
收藏
页码：1185 / 1191
页数：7
相关论文
共 59 条
[1]   ELECTRONIC SPECTROSCOPY OF CHLORO(TERPYRIDINE)PLATINUM(II) [J].
BAILEY, JA ;
HILL, MG ;
MARSH, RE ;
MISKOWSKI, VM ;
SCHAEFER, WP ;
GRAY, HB .
INORGANIC CHEMISTRY, 1995, 34 (18) :4591-4599
[2]   SPECTROSCOPIC AND STRUCTURAL-PROPERTIES OF BINUCLEAR PLATINUM TERPYRIDINE COMPLEXES [J].
BAILEY, JA ;
MISKOWSKI, VM ;
GRAY, HB .
INORGANIC CHEMISTRY, 1993, 32 (04) :369-370
[3]   Formation of gels and liquid crystals induced by Pt•••Pt and π-π interactions in luminescent σ-alkynyl platinum(II) terpyridine complexes [J].
Camerel, Franck ;
Ziessel, Raymond ;
Donnio, Bertrand ;
Bourgogne, Cyril ;
Guillon, Daniel ;
Schmutz, Marc ;
Iacovita, Cristian ;
Bucher, Jean-Pierre .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2007, 46 (15) :2659-2662
[4]   Derivatives of Magnus' Green Salt FROM INTRACTABLE MATERIALS TO SOLUTION-PROCESSED TRANSISTORS [J].
Caseri, Walter .
PLATINUM METALS REVIEW, 2004, 48 (03) :91-100
[5]   Towards thermochromic and thermoresponsive near-infrared (NIR) luminescent molecular materials through the modulation of inter- and/or intramolecular Pt•••Pt and π-π interactions [J].
Chan, Kenneth Hoi-Yiu ;
Chow, Hoi-Shan ;
Wong, Keith Man-Chung ;
Yeung, Margaret Ching-Lam ;
Yam, Vivian Wing-Wah .
CHEMICAL SCIENCE, 2010, 1 (04) :477-482
[6]  
Chung CYS, 2011, CHEM COMMUN, V47, P2000, DOI 10.1039/c0cc04437g
[7]   Supramolecular recognition forces: An examination of weak metal-metal interactions in host-guest formation [J].
Crowley, JD ;
Steele, IM ;
Bosnich, B .
INORGANIC CHEMISTRY, 2005, 44 (09) :2989-2991
[8]   Metallophilic interactions in double salts: Toward 1D metal atom chains [J].
Doerrer, Linda H. .
COMMENTS ON INORGANIC CHEMISTRY, 2008, 29 (3-4) :93-127
[9]   Steric and electronic effects in metallophilic double salts [J].
Doerrer, Linda H. .
DALTON TRANSACTIONS, 2010, 39 (15) :3543-3553
[10]   An electronic nose transducer array of vapoluminescent platinum(II) double salts [J].
Drew, SM ;
Janzen, DE ;
Buss, CE ;
MacEwan, DI ;
Dublin, KM ;
Mann, KR .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2001, 123 (34) :8414-8415
123456