Description of the nanostructured morphology of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) by XRD, DSC and solid-state NMR

✍ Scribed by Raoul Mens; Sylvain Chambon; Sabine Bertho; Guy Reggers; Bart Ruttens; Jan D'Haen; Jean Manca; Robert Carleer; Dirk Vanderzande; Peter Adriaensens

• Book ID: 102525988
• Publisher: John Wiley and Sons
• Year: 2011
• Tongue: English
• Weight: 247 KB
• Volume: 49
• Category: Article
• ISSN: 0749-1581
• DOI: 10.1002/mrc.2741

✦ Synopsis

Abstract

PCBM or [6,6]‐phenyl‐C~61~‐butyric acid methyl ester is nowadays still one of the most successful electron acceptors for plastic bulk heterojunction (BHJ) photovoltaic devices. In this study, a set of complementary techniques, i.e. solid‐state NMR, XRD and DSC, is proposed as a fast and sensitive tool to screen the morphology of PCBM specimens with different preparation histories. Based on proton NMR relaxation decay time values, an interval can be derived that situates the average crystal dimensions and which can further be refined on the basis of XRD patterns and DSC thermograms. Copyright © 2011 John Wiley & Sons, Ltd.