TY - JOUR
T1 - Four-terminal tandem solar cells using CH3NH3PbBr3 by spectrum splitting
AU - Sheng, Rui
AU - Ho-Baillie, Anita W. Y.
AU - Huang, Shujuan
AU - Keevers, Mark
AU - Hao, Xiaojing
AU - Jiang, Liangcong
AU - Cheng, Yi Bing
AU - Green, Martin A.
PY - 2015/10/1
Y1 - 2015/10/1
N2 - In this work, the use of a high bandgap perovskite solar cell in a spectrum splitting system is demonstrated. A remarkable energy conversion efficiency of 23.4% is achieved when a CH3NH3PbBr3 solar cell is coupled with a 22.7% efficient silicon passivated emitter rear locally diffused solar cell. Relative enhancements of >10% are demonstrated by CH3NH3PbBr3/CH3NH3PbI3 and CH3NH3PbBr3/multicrystalline-screen-printed-Si spectral splitting systems with tandem efficiencies of 13.4% and 18.8%, respectively. The former is the first demonstration of an all perovskite split spectrum system. The CH3NH3PbBr3 cell on a mesoporous structure was fabricated by the vapor-assisted method while the planar CH3NH3PbI3 cell was fabricated by the gas-assisted method. This work demonstrates the advantage of the higher voltage output from the high bandgap CH3NH3PbBr3 cell and its suitability in a tandem system.
AB - In this work, the use of a high bandgap perovskite solar cell in a spectrum splitting system is demonstrated. A remarkable energy conversion efficiency of 23.4% is achieved when a CH3NH3PbBr3 solar cell is coupled with a 22.7% efficient silicon passivated emitter rear locally diffused solar cell. Relative enhancements of >10% are demonstrated by CH3NH3PbBr3/CH3NH3PbI3 and CH3NH3PbBr3/multicrystalline-screen-printed-Si spectral splitting systems with tandem efficiencies of 13.4% and 18.8%, respectively. The former is the first demonstration of an all perovskite split spectrum system. The CH3NH3PbBr3 cell on a mesoporous structure was fabricated by the vapor-assisted method while the planar CH3NH3PbI3 cell was fabricated by the gas-assisted method. This work demonstrates the advantage of the higher voltage output from the high bandgap CH3NH3PbBr3 cell and its suitability in a tandem system.
KW - energy conversion efficiency
KW - perovskite solar cell
KW - split spectrum system
UR - http://www.scopus.com/inward/record.url?scp=84942908847&partnerID=8YFLogxK
U2 - 10.1021/acs.jpclett.5b01608
DO - 10.1021/acs.jpclett.5b01608
M3 - Article
C2 - 26722894
SN - 1948-7185
VL - 6
SP - 3931
EP - 3934
JO - Journal of Physical Chemistry Letters
JF - Journal of Physical Chemistry Letters
IS - 19
ER -