Issue 8, 2015

17.6% stabilized efficiency in low-temperature processed planar perovskite solar cells

Abstract

We present here a planar perovskite solar cell with a stabilized power conversion efficiency (PCE) of 17.6% at the maximum power point and a PCE of 17% extracted from quasi-static JV with an open-circuit voltage of 1.11 V. Such excellent figures of merit can be achieved by engineering a solution-processed electron buffer layer that does not require high temperature steps. A compact thin film of perovskite absorber is grown onto a PCBM-based electron extraction layer by implementing a novel two-step procedure which preserves the soluble organic interlayer during the deposition of successive layers. We demonstrate that efficient charge extraction is the key for high steady state efficiency in perovskite solar cells with a highly integrable architecture.

Graphical abstract: 17.6% stabilized efficiency in low-temperature processed planar perovskite solar cells

Supplementary files

Article information

Article type
Communication
Submitted
02 jun 2015
Accepted
19 jun 2015
First published
19 jun 2015
This article is Open Access
Creative Commons BY-NC license

Energy Environ. Sci., 2015,8, 2365-2370

17.6% stabilized efficiency in low-temperature processed planar perovskite solar cells

C. Tao, S. Neutzner, L. Colella, S. Marras, A. R. Srimath Kandada, M. Gandini, M. D. Bastiani, G. Pace, L. Manna, M. Caironi, C. Bertarelli and A. Petrozza, Energy Environ. Sci., 2015, 8, 2365 DOI: 10.1039/C5EE01720C

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