Lead-Free Halide Perovskite Solar Cells with High Photocurrents Realized Through Vacancy Modulation
Lead free perovskite solar cells based on a CsSnI3 light absorber with a spectral response from 950 nm is demonstrated. The high photocurrents noted in the system are a consequence of SnF2 addition which reduces defect concentrations and hence the background charge carrier density.
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Kumar, M. H., Dharani, S., Leong, W. L., Boix, P. P., Prabhakar, R. R., Baikie, T., Shi, C., Ding, H., Ramesh, R., Asta, M., Graetzel, M., Mhaisalkar, S. G., & Mathews, N. (2014). Lead-Free Halide Perovskite Solar Cells with High Photocurrents Realized Through Vacancy Modulation. Advanced Materials, 26(41), 7122–7127. https://doi.org/10.1002/adma.201401991
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WOS:000344782900018
2014
26
41
7122
7127
REVIEWED
EPFL