Lewis Acid Guests in {P8W48} Archetypal Polyoxotungstate Host: Enhanced Proton Conductivity via Cluster within Cluster Assemblies

Peng Yang, Maryam Alsufyani, Abdel hamid Amwas, Chaoqin Chen, Niveen M. Khashab

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

Complexes made by hosts that completely surround their guests provide a mean to stabilize reactive chemical intermediates, transfer biologically active cargo to a diseased cell, and construct molecular scale devices. By the virtue of inorganic host-guest self-assembly, nucleation processes in the cavity of a {P8W48}-archetype phosphotungstate has afforded a nanoscale 16-AlIII-32-oxo cluster and its GaIII analogue that contain the largest number of AlIII/GaIII ions yet found in POM chemistry. Interestingly, the rich Lewis acid AlIII centers within the Lewis base POM support shows an exceptional proton conductivity of 4.5 × 10-2 S cm-1 (85 °C, 70% RH; RH: relative humidity), which is by far the highest conductivity reported among POM-based crystalline proton conductors.
Original languageEnglish (US)
Pages (from-to)13046-13051
Number of pages6
JournalAngewandte Chemie International Edition
Volume57
Issue number40
DOIs
StatePublished - Jul 30 2018

Fingerprint

Dive into the research topics of 'Lewis Acid Guests in {P8W48} Archetypal Polyoxotungstate Host: Enhanced Proton Conductivity via Cluster within Cluster Assemblies'. Together they form a unique fingerprint.

Cite this