Journal ArticleDOI
Tuning the Interfacial Dipole Moment of Spacer Cations for Charge Extraction in Efficient and Ultrastable Perovskite Solar Cells
Yuankun Qiu,Jianghu Liang,Zhanfei Zhang,Zihao Deng,Heng Xu,Maosheng He,Jianli Wang,Yajuan Yang,Lingti Kong,Chun-Chao Chen +9 more
TLDR
The two-dimensional (2D)/threedimensional (3D) heterojunction perovskite solar cell (PSC) has recently been recognized as a promising photovoltaic structure for achieving high efficiency and long-lived.Abstract:
The two-dimensional (2D)/three-dimensional (3D) heterojunction perovskite solar cell (PSC) has recently been recognized as a promising photovoltaic structure for achieving high efficiency and long-...read more
Citations
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Journal ArticleDOI
Size mismatch induces cation segregation in CsPbI3: Forming energy level gradient and 3D/2D heterojunction promotes the efficiency of carbon-based perovskite solar cells to over 15%
Hailiang Wang,Huicong Liu,Zijing Dong,Tinglu Song,Weiping Li,Liqun Zhu,Yang Bai,Haining Chen +7 more
TL;DR: In this article, size mismatch-induced cation segregation in CsPbI3 was studied and employed to solve the problem of hole selectivity in carbon-based perovskite solar cells without hole transporter.
Journal ArticleDOI
Creating a Dual-Functional 2D Perovskite Layer at the Interface to Enhance the Performance of Flexible Perovskite Solar Cells
Caoyu Long,Keqing Huang,Jianhui Chang,Chuantian Zuo,Yuanji Gao,Xin Luo,Biao Liu,Haipeng Xie,Zhihui Chen,Jun He,Han Huang,Yongli Gao,Yongli Gao,Liming Ding,Junliang Yang +14 more
TL;DR: In this article, 4-trifluoromethylphenylethylamine iodide (CF3 PEAI) is introduced to form a 2D perovskite at the interface between perovsite and hole transport layer (HTL) to reduce energy barriers and charge extraction losses.
Journal ArticleDOI
A finely regulated quantum well structure in quasi-2D Ruddlesden–Popper perovskite solar cells with efficiency exceeding 20%
TL;DR: In this article , a record power conversion efficiency of 20.1% was achieved for quasi-2D Ruddlesden-Popper perovskite solar cells, where the quantum wells were reversely graded in the film, and the quantum confinement effect inside the film was significantly weakened.
Journal ArticleDOI
Graded 2D/3D (CF3-PEA)2FA0.85MA0.15Pb2I7/FA0.85MA0.15PbI3 heterojunction for stable perovskite solar cell with an efficiency over 23.0%
Yuan Cai,Зумрад Шарипова, Юлдуз Юлдашева,,Jialun Wen,Zhike Liu,Fang Qian,Chenyang Duan,He Kun,Wenjing Zhao,Sheng Zhan,Shaomin Yang,Jian Cui,Shengzhong (Frank) Liu,Shengzhong (Frank) Liu +12 more
TL;DR: In this article, a 2D/3D (CF3-PEA)2FA0.85MA0.15PbI3 planar heterojunction perovskite was produced using a facile interfacial ion exchange process.
Journal ArticleDOI
Graded 2D/3D (CF3-PEA)2FA0.85MA0.15Pb2I7/FA0.85MA0.15PbI3 heterojunction for stable perovskite solar cell with an efficiency over 23.0%
TL;DR: In this article , a 2D/3D (CF3-PEA)2FA0.85MA0.15PbI3 planar heterojunction perovskite was produced using a facile interfacial ion exchange process.
References
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Journal ArticleDOI
Generalized Gradient Approximation Made Simple
TL;DR: A simple derivation of a simple GGA is presented, in which all parameters (other than those in LSD) are fundamental constants, and only general features of the detailed construction underlying the Perdew-Wang 1991 (PW91) GGA are invoked.
Journal ArticleDOI
Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set.
Georg Kresse,Jürgen Furthmüller +1 more
TL;DR: An efficient scheme for calculating the Kohn-Sham ground state of metallic systems using pseudopotentials and a plane-wave basis set is presented and the application of Pulay's DIIS method to the iterative diagonalization of large matrices will be discussed.
Journal ArticleDOI
Projector augmented-wave method
TL;DR: An approach for electronic structure calculations is described that generalizes both the pseudopotential method and the linear augmented-plane-wave (LAPW) method in a natural way and can be used to treat first-row and transition-metal elements with affordable effort and provides access to the full wave function.
Journal ArticleDOI
From ultrasoft pseudopotentials to the projector augmented-wave method
Georg Kresse,Daniel P. Joubert +1 more
TL;DR: In this paper, the formal relationship between US Vanderbilt-type pseudopotentials and Blochl's projector augmented wave (PAW) method is derived and the Hamilton operator, the forces, and the stress tensor are derived for this modified PAW functional.
Journal ArticleDOI
Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells
TL;DR: Two organolead halide perovskite nanocrystals were found to efficiently sensitize TiO(2) for visible-light conversion in photoelectrochemical cells, which exhibit strong band-gap absorptions as semiconductors.