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Hybrid Organic-Inorganic Coordination Complexes as Tunable Optical Response Materials.

Published version
Peer-reviewed

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Authors

Travis, Will 
Knapp, Caroline E 
Savory, Christopher N 
Ganose, Alex M 
Kafourou, Panagiota 

Abstract

Novel lead and bismuth dipyrido complexes have been synthesized and characterized by single-crystal X-ray diffraction, which shows their structures to be directed by highly oriented π-stacking of planar fully conjugated organic ligands. Optical band gaps are influenced by the identity of both the organic and inorganic component. Density functional theory calculations show optical excitation leads to exciton separation between inorganic and organic components. Using UV-vis, photoluminescence, and X-ray photoemission spectroscopies, we have determined the materials' frontier energy levels and show their suitability for photovoltaic device fabrication by use of electron- and hole-transport materials such as TiO2 and spiro-OMeTAD respectively. Such organic/inorganic hybrid materials promise greater electronic tunability than the inflexible methylammonium lead iodide structure through variation of both the metal and organic components.

Description

Keywords

0302 Inorganic Chemistry, 0912 Materials Engineering, 0303 Macromolecular and Materials Chemistry

Journal Title

Inorg Chem

Conference Name

Journal ISSN

0020-1669
1520-510X

Volume Title

55

Publisher

American Chemical Society (ACS)
Sponsorship
Engineering and Physical Sciences Research Council (EP/J017361/1)