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Pd Uptake and H 2 S Sensing by an Amphoteric Metal–Organic Framework with a Soft Core and Rigid Side Arms
Author(s) -
Cui Jieshun,
Wong YanLung,
Zeller Matthias,
Hunter Allen D.,
Xu Zhengtao
Publication year - 2014
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201408453
Subject(s) - molecule , core (optical fiber) , acceptor , crystallization , metal organic framework , single crystal , metal , chemistry , materials science , crystallography , metal ions in aqueous solution , side chain , ion , crystal (programming language) , chemical physics , combinatorial chemistry , computer science , physics , organic chemistry , polymer , adsorption , composite material , programming language , condensed matter physics
Molecular components of opposite character are often incorporated within a single system, with a rigid core and flexible side arms being a common design choice. Herein, molecule L has been designed and prepared featuring the reverse design, with rigid side arms (arylalkynyl) serving to calibrate the mobility of the flexible polyether links in the core. Crystallization of this molecule with Pb II ions led to a dynamic metal–organic framework (MOF) system that not only exhibits dramatic, reversible single‐crystal‐to‐single‐crystal transformations, but combines distinct donor and acceptor characteristics, allowing for substantial uptake of PdCl 2 and colorimetric sensing of H 2 S in water.