Crown-ether-like Pb(II)-metal framework with dual- and bimodal emissive properties based on its photochromic

You-Yun Jiang1, Shu-Kui Ren, Jian-Ping Ma

  • 1College of Chemistry, Chemical Engineering and Materials Science, Key Lab of Molecular and Nano Probes, Engineering Research Center of Pesticide and Medicine Intermediate Clean Production, Ministry of Education, Shandong Normal University, Jinan, PR China.

Abstract

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Crown Ethers02:36

Crown Ethers

Crown ethers are cyclic polyethers that contain multiple oxygen atoms, usually arranged in a regular pattern. The first crown ether was synthesized by Charles Pederson while working at DuPont in 1967. For this work, Pedersen was co-awarded the 1987 Nobel Prize in Chemistry. Crown ethers are named using the formula x-crown-y, where x is the total number of atoms in the ring and y is the number of ether oxygen atoms. The term 'crown' refers to the crown-like shape that these ether molecules take.