Issue 40, 2015

A crosslinked fullerene matrix doped with an ionic fullerene as a cathodic buffer layer toward high-performance and thermally stable polymer and organic metallohalide perovskite solar cells

Abstract

In this study, we developed a new cathodic buffer layer consisting of a cross-linked [6,6]-phenyl-C61-butyric styryl dendron ester (C-PCBSD) matrix and an ionic FPI dopant. The incorporation of FPI can improve the electron mobility via an anion induced charge transfer (AIET) mechanism, while maintaining the solvent-resistant properties of the crosslinked layer. ZnO combined with the C-PCBSD/FPI layer can effectively and universally improve the performance of bulk-heterojunction polymer solar cells (BHJPSCs), planar heterojunction polymer solar cells (PHJPSCs), and organic metallohalide perovskite solar cells (OMPSCs). Furthermore, the insertion of the C-PCBSD/FPI layer can improve the thermal stability of the device by preventing the residual moisture in ZnO from diffusing into the CH3NH3PbI3 layer in OMPSCs.

Graphical abstract: A crosslinked fullerene matrix doped with an ionic fullerene as a cathodic buffer layer toward high-performance and thermally stable polymer and organic metallohalide perovskite solar cells

Supplementary files

Article information

Article type
Paper
Submitted
06 Jul 2015
Accepted
26 Aug 2015
First published
27 Aug 2015

J. Mater. Chem. A, 2015,3, 20382-20388

Author version available

A crosslinked fullerene matrix doped with an ionic fullerene as a cathodic buffer layer toward high-performance and thermally stable polymer and organic metallohalide perovskite solar cells

Y. Chao, Y. Huang, J. Chang, S. Peng, W. Tu, Y. Cheng, J. Hou and C. Hsu, J. Mater. Chem. A, 2015, 3, 20382 DOI: 10.1039/C5TA05057J

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