journal article·2014-11Open access

Lead‐Free Halide Perovskite Solar Cells with High Photocurrents Realized Through Vacancy Modulation

Mulmudi Hemant Kumar, Sabba Dharani, Wei Lin Leong, Pablo P. Boix, Rajiv Ramanujam Prabhakar, Tom Baikie, Chen Shi, Hong Ding, Ramamoorthy Ramesh, Mark Asta, Michael Graetzel, Subodh G. Mhaisalkar, Nripan Mathews

Advanced Materials· Volume 26· Issue 41

Abstract

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.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Energy Research Institute @NTU (ERI@N) Research Techno Plaza, X‐Frontier Block, Level 5, 50 Nanyang Drive Singapore 637553 Singapore

School of Materials Science and Engineering Nanyang Technological University Nanyang Avenue Singapore 639798 Singapore

Institute of Materials Research and Engineering (IMRE) Agency of Science Technology and Research (A*STAR) 3 Research Link Singapore 117602 Singapore

School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore

Department of Materials Science and Engineering University of California Berkeley USA

Laboratory of Photonics and Interfaces, EPFL Lausanne Switzerland

Funding

NTU · Singapore NRF · Singapore-Berkeley Research Initiative for Sustainable Energy · European Research Council · US Department of Energy, Basic Energy Sciences · DOE

References (34)

Show source-provided references
1. 10.1038/nature1234010.1038/nature12340 ↗
2. 10.1038/nature1250910.1038/nature12509 ↗
3. NREL Solar efficiency chart.2014[cited 2014 April 27th 2014]; Available from:http://www.nrel.gov/ncpv/images/efficiency_chart.jpg.
4. 10.1038/nmat391110.1038/nmat3911 ↗
5. 10.1126/science.124316710.1126/science.1243167 ↗
6. 10.1038/nphoton.2014.510.1038/nphoton.2014.5 ↗
7. 10.1021/jz500211710.1021/jz5002117 ↗
8. 10.1038/369467a010.1038/369467a0 ↗
9. 10.1016/j.matlet.2013.08.01110.1016/j.matlet.2013.08.011 ↗
10. 10.1021/ja301539s10.1021/ja301539s ↗
11. 10.1038/nature1106710.1038/nature11067 ↗
12. 10.1063/1.344251110.1063/1.3442511 ↗
13. 10.1039/C3NR04857H10.1039/C3NR04857H ↗
14. 10.1016/j.jlumin.2011.09.00610.1016/j.jlumin.2011.09.006 ↗
15. 10.1021/jz400892a10.1021/jz400892a ↗
16. 10.1246/cl.1991.80110.1246/cl.1991.801 ↗
17. 10.1021/ic401215x10.1021/ic401215x ↗
18. 10.1021/jz500209g10.1021/jz500209g ↗
19. 10.1038/nphoton.2014.8210.1038/nphoton.2014.82 ↗
20. 10.1039/C4EE01076K10.1039/C4EE01076K ↗
21. 10.1021/nn404323g10.1021/nn404323g ↗
22. 10.1021/jz500113x10.1021/jz500113x ↗
23. 10.1039/c3cc46534a10.1039/c3cc46534a ↗
24. 10.1021/nl401044q10.1021/nl401044q ↗
25. 10.1021/jz200486410.1021/jz2004864 ↗
26. 10.1002/adfm.20110051410.1002/adfm.201100514 ↗
27. 10.1063/1.213039610.1063/1.2130396 ↗
28. 10.1021/cm702327g10.1021/cm702327g ↗
29. 10.1103/PhysRevB.84.04511510.1103/PhysRevB.84.045115 ↗
30. 10.1063/1.481232310.1063/1.4812323 ↗
31. 10.1021/jz100956d10.1021/jz100956d ↗
32. 10.1103/PhysRevB.88.16520310.1103/PhysRevB.88.165203 ↗
33. 10.1021/jp410361410.1021/jp4103614 ↗
34. 10.1038/ncomms324210.1038/ncomms3242 ↗