TY - JOUR
T1 - Cation engineering on lead iodide perovskites for stable and high-performance photovoltaic applications
AU - Gong, Jue
AU - Guo, Peijun
AU - Benjamin, Savannah E.
AU - Van Patten, P. Gregory
AU - Schaller, Richard D.
AU - Xu, Tao
N1 - Funding Information:
T.X. acknowledges financial support from the U.S. National Science Foundation (CBET-1150617). S.E.B. and G.V.P. acknowledge financial support from the U.S. National Science Foundation REU Grant (CHE-1659548). Use of the Center for Nanoscale Materials, an Office of Science user facility, was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
Funding Information:
T.X. acknowledges financial support from the U.S. National Science Foundation ( CBET-1150617 ). S.E.B. and G.V.P. acknowledge financial support from the U.S. National Science Foundation REU Grant ( CHE-1659548 ). Use of the Center for Nanoscale Materials, an Office of Science user facility, was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences , under Contract No. DE-AC02-06CH11357 .
Publisher Copyright:
© 2017 Science Press
PY - 2018/7/1
Y1 - 2018/7/1
N2 - Perovskite solar cells (PSCs) based on methylammonium lead iodide (CH3NH3PbI3) have shown unprecedentedly outstanding performance in the recent years. Nevertheless, due to the weak interaction between polar CH3NH3+ (MA+) and inorganic PbI3− sublattices, CH3NH3PbI3 dramatically suffers from poor moisture stability, thermal decomposition and device hysteresis. As such, strong electrostatic interactions between cations and anionic frameworks are desired for synergistic improvements of the abovementioned issues. While replacements of I− with Br− and/or Cl− evidently widen optical bandgaps of perovskite materials, compositional modifications can solely be applied on cation components in order to preserve the broad absorption of solar spectrum. Herein, we review the current successful practices in achieving efficient, stable and minimally hysteretic PSCs with lead iodide perovskite systems that employ photoactive cesium lead iodide (CsPbI3), formamidinium lead iodide (HC(NH2)2PbI3, or FAPbI3), MA1−x−y−zFAxCsyRbzPbI3 mixed-cation settings as well as two-dimensional butylammonium (C4H9NH3+, or BA+)/MA+, polymeric ammonium (PEI+)/MA+ co-cation layered structures. Fundamental aspects behind the stabilization of perovskite phases α-CsPbI3, α-FAPbI3, mixed-cation MA1−x−y−zFAxCsyRbzPbI3 and crystallographic alignment of (BA)2(MA)3Pb4I13 for effective light absorption and charge transport will be discussed. This review will contribute to the continuous development of photovoltaic technology based on PSCs.
AB - Perovskite solar cells (PSCs) based on methylammonium lead iodide (CH3NH3PbI3) have shown unprecedentedly outstanding performance in the recent years. Nevertheless, due to the weak interaction between polar CH3NH3+ (MA+) and inorganic PbI3− sublattices, CH3NH3PbI3 dramatically suffers from poor moisture stability, thermal decomposition and device hysteresis. As such, strong electrostatic interactions between cations and anionic frameworks are desired for synergistic improvements of the abovementioned issues. While replacements of I− with Br− and/or Cl− evidently widen optical bandgaps of perovskite materials, compositional modifications can solely be applied on cation components in order to preserve the broad absorption of solar spectrum. Herein, we review the current successful practices in achieving efficient, stable and minimally hysteretic PSCs with lead iodide perovskite systems that employ photoactive cesium lead iodide (CsPbI3), formamidinium lead iodide (HC(NH2)2PbI3, or FAPbI3), MA1−x−y−zFAxCsyRbzPbI3 mixed-cation settings as well as two-dimensional butylammonium (C4H9NH3+, or BA+)/MA+, polymeric ammonium (PEI+)/MA+ co-cation layered structures. Fundamental aspects behind the stabilization of perovskite phases α-CsPbI3, α-FAPbI3, mixed-cation MA1−x−y−zFAxCsyRbzPbI3 and crystallographic alignment of (BA)2(MA)3Pb4I13 for effective light absorption and charge transport will be discussed. This review will contribute to the continuous development of photovoltaic technology based on PSCs.
KW - Device hysteresis
KW - Metastable phases
KW - Optical bandgaps
KW - Perovskite solar cells
KW - Power conversion efficiency
KW - Solar energy conversion
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U2 - 10.1016/j.jechem.2017.12.005
DO - 10.1016/j.jechem.2017.12.005
M3 - Review article
AN - SCOPUS:85040319072
VL - 27
SP - 1017
EP - 1039
JO - Journal of Energy Chemistry
JF - Journal of Energy Chemistry
SN - 2095-4956
IS - 4
ER -