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Updated: Jul 23, 2026

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization
Published on: January 29, 2017
A "roller-wheel" Pt-containing small molecule that outperforms its polymer analogs in organic solar cells
Wenhan He1, Maksim Y Livshits1, Diane A Dickie1
1Department of Chemistry & Chemical Biology , University of New Mexico , MSC03 2060, 1 UNM , Albuquerque , NM 87131 , USA .
Abstract:
A novel Pt-bisacetylide small molecule (Pt-SM) featuring "roller-wheel" geometry was synthesized and characterized. When compared with conventional Pt-containing polymers and small molecules having "dumbbell" shaped structures, Pt-SM displays enhanced crystallinity and intermolecular π-π interactions, as well as favorable panchromatic absorption behaviors. Organic solar cells (OSCs) employing Pt-SM achieve power conversion efficiencies (PCEs) up to 5.9%, the highest reported so far for Pt-containing polymers and small molecules.
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