Issue 22, 2015

Photovoltaic behaviour of lead methylammonium triiodide perovskite solar cells down to 80 K

Abstract

We have tested the photovoltaic metrics of CH3NH3PbI3 perovskite solar cells over a wide temperature range from 80–360 K. Our investigation reveals that the open-circuit voltage reaches a maximum value at about 200 K close to the phase transition from tetragonal to the orthorhombic phase. The photocurrent is remarkably stable down to 240 K but drops precipitously upon approaching and below the phase transition temperature, implying inefficient charge carrier generation from the orthorhombic perovskite structure. The impedance spectroscopy measurement suggests ionic motion within the bulk of CH3NH3PbI3 after a phase transition. We propose a plausible mechanism for these phenomena and discuss implications for photovoltage generation and charge carrier transport in CH3NH3PbI3 perovskite solar cells.

Graphical abstract: Photovoltaic behaviour of lead methylammonium triiodide perovskite solar cells down to 80 K

Supplementary files

Article information

Article type
Communication
Submitted
26 mar 2015
Accepted
28 abr 2015
First published
30 abr 2015

J. Mater. Chem. A, 2015,3, 11762-11767

Author version available

Photovoltaic behaviour of lead methylammonium triiodide perovskite solar cells down to 80 K

H. Zhang, X. Qiao, Y. Shen, T. Moehl, S. M. Zakeeruddin, M. Grätzel and M. Wang, J. Mater. Chem. A, 2015, 3, 11762 DOI: 10.1039/C5TA02206A

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements