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- Title
Five Novel Silver‐Based Coordination Polymers as Photoluminescent Sensing Platforms for the Detection of Nitrobenzene.
- Authors
Sekine, Taishu; Sakai, Jin; Horita, Yusuke; Mabuchi, Haruna; Irie, Tsukasa; Hossain, Sakiat; Kawawaki, Tokuhisa; Das, Subhabrata; Takahashi, Shuntaro; Das, Saikat; Negishi, Yuichi
- Abstract
Nitrobenzene (NB) is a highly toxic chemical and a cause for concern to human health and the environment. Hence, it is worth designing new efficient and robust sensing platforms for NB. In this study, we present three newly synthesized luminescent silver cluster‐based coordination polymers, {[Ag10(StBu)6(CF3COO)4(hpbt)] (DMAc)2(CH3CN)2}n (hpbt=N,N,N',N'N",N"‐hexa(pyridine‐4‐yl)benzene‐1,3,5‐triamine), [Ag12(StBu)6(CF3COO)6(bpva)3]n (bpva=9,10‐Bis(2‐(pyridin‐4‐yl)vinyl)anthracene), and {[Ag12(StBu)6(CF3COO)6(bpb)(DMAc)2(H2O)2] (DMAc)2}n (bpb=1,4‐Bis(4‐pyridyl)benzene) composed of Ag10, Ag12 and Ag12 cluster cores, respectively, connected by multidentate pyridine linkers. In addition, two new luminescent polymorphic silver(I)‐based coordination polymers, [Ag(CF3COO)(dpa)]n (dpa=9,10‐di(4‐pyridyl)anthracene) referred to as Agdpa (H) and Agdpa (R), where H and R denote hexagon‐ and rod‐like crystal shapes, respectively, have been prepared. The coordination polymers exhibit highly sensitive luminescence quenching effects to NB, attributed to the π−π stacking interactions between the polymers and NB as well as the electron‐withdrawing character of NB.
- Subjects
PHOTOLUMINESCENT polymers; COORDINATION polymers; NITROBENZENE; POISONS; LUMINESCENCE quenching; STACKING interactions
- Publication
Chemistry - A European Journal, 2023, Vol 29, Issue 49, p1
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202300706