Lu, H. et al. Vapor-assisted deposition of highly efficient, stable black-phase FAPbI 3 perovskite solar cells. Science 370, eabb8985 (2020). Article ADS CAS PubMed Google Scholar
Learn MorePhase Pure 2D Perovskite for High-Performance 2D–3D Heterostructured Perovskite Solar Cells Pengwei Li, Yiqiang Zhang, Chao Liang, Guichuan Xing,* Xiaolong Liu, Fengyu Li, Xiaotao Liu, Xiaotian ...
Learn MoreThree-dimensional (3D) metal-halide perovskite solar cells (PSCs) have demonstrated exceptional high efficiency. However, instability of the 3D perovskite is the main challenge for industrialization. Incorporation of some long organic cations into perovskite crystal to ...
Learn MoreChallenges remain in stabilizing α phase structure and preparing phase-pure α-FAPbI 3 films for high-efficiency and stable perovskite solar cells (PSCs) devices. Herein, the recent research progress on the strategies is reviewed to fabricate phase-pure α-FAPbI 3 perovskite and the advances in their photovoltaic application.
Learn MoreHigh-quality mixed-organic-cation perovskites from a phase-pure non-stoichiometric intermediate (FAI)1-x-PbI2 for solar cells Adv. Mater., 27 ( 33 ) ( 2015 ), pp. 4918 - 4923 Crossref View in Scopus Google Scholar
Learn MoreHigh-quality, stable perovskite films with a wide band gap between 1.65 and 1.80 eV are highly suitable for efficient and cost-competitive silicon-based tandem solar cells. Herein, we demonstrate that the combined strategies of the Pb(SCN)2 additive and air annealing can enable the Cs0.22FA0.78Pb(I0.85Br0.15)3 films with a wide band gap of 1.65 eV and …
Learn MoreFormamidinium-lead triiodide (FAPbI 3) perovskite holds promise as a prime candidate in the realm of perovskite photovoltaics.However, the photo-active α-FAPbI 3 phase, existing as a metastable state, is observable solely at elevated temperatures and is susceptible to degradation into the δ-phase in ambient air. ...
Learn MoreAdvanced Materials, one of the world''s most prestigious journals, is the home of choice for best-in-class materials science for more than 30 years. Three-dimensional (3D) metal-halide perovskite solar cells (PSCs) have demonstrated exceptional high efficiency.
Learn MoreA pure and stable intermediate phase is key to growing aligned and vertically monolithic perovskite crystals for efficient PIN planar perovskite solar cells with high processibility and stability Author links open overlay panel Yang Bai a 1, Shuang Xiao a 1, Chen Hu a, Teng Zhang a, Xiangyue Meng a, Qiang Li b, Yinglong Yang a, Kam …
Learn MoreEngineering of perovskite interfaces is essential to enhance the performance and stability of perovskite solar cells (PSCs). 2D/3D perovskite …
Learn MoreHere, a facile synthesis of high-quality MA +, Cs +, Rb +, and Br −-free phase-pure α-FAPbI 3 perovskite film by a new solution modification strategy is …
Learn MoreHere we demonstrate that long alkyl amine ligands can generate near-phase-pure 2D perovskites at the top and bottom 3D ... inverted perovskite solar cells with double-side 2D/3D heterojunctions ...
Learn MoreAll-perovskite triple-junction solar cell devices have been fabricated, with a certified efficiency of 23.3%; these devices retain 80% of their initial efficiency following 420 hours of operation.
Learn MoreHigh-quality, stable perovskite films with a wide band gap between 1.65 and 1.80 eV are highly suitable for efficient and cost-competitive silicon-based tandem solar cells. Herein, …
Learn MoreTwo-dimensional Ruddlesden–Popper layered perovskite solar cells based on phase-pure thin films Article 09 November 2020 Mixed-Dimensional Naphthylmethylammonium-Methylammonium Lead Iodide ...
Learn MoreObtaining phase-pure 2D perovskite films will extend the understanding and applications in various optoelectronic fields. Recently in Nature Energy, Liang and coworkers first present phase-pure 2D perovskites by replacing BAI with BAAc, showing stronger ionic coordination with the perovskite framework. A PCE of 16.25% with …
Learn MoreThe solar cells based on the optimized 2D perovskite films exhibit a power conversion efficiency of 15.04%, the record for 2D perovskites (with the perovskite slab thicknessn≤ 3 and high phase purity). The solar cells based on the highly‐oriented and phase‐pure
Learn MoreFabricating perovskite heterojunctions is challenging. Now, Ji et al. form a phase heterojunction with two polymorphs of CsPbI3, leading to 20.1% efficiency in inorganic perovskite solar cells.
Learn MoreAs a result of their attractive optoelectronic properties, metal halide APbI 3 perovskites employing formamidinium (FA +) as the A cation are the focus of research.The superior chemical and thermal stability of FA + cations makes α-FAPbI 3 more suitable for solar-cell applications than methylammonium lead iodide (MAPbI 3).).
Learn MoreThe solar cells based on the optimized 2D perovskite films exhibit a power conversion efficiency of 15.04%, the record for 2D perovskites (with the perovskite slab thickness n ≤ 3 and high phase purity). The solar cells based on the highly-oriented and phase-pure
Learn More"Scaling up of the 3D/phase-pure 2D bilayer structures should be the immediate step which will help to realize commercially viable perovskite solar cell modules," explains Mohite.
Learn MoreHere, a series of highly phase-pure 2D RP tin perovskite bulk crystals, including (BA) 2 MA n−1 Sn n I 3n+1 (n = 1 to 4), (PEA) ... A. D. Mohite, High-efficiency two-dimensional Ruddlesden–Popper perovskite solar …
Learn MoreTwo-dimensional structures introduced into perovskite solar cells improve performance yet their morphological and dimensional control remains challenging. Jang et al. devise a solid-phase approach ...
Learn MoreWe first deliver a brief overview of the structure and optoelectronic behaviour of phase-pure quasi-2D perovskites as well as of quasi-2D perovskites with highly concentrated phase...
Learn MoreArticle Perfluoroalkylsulfonyl ammonium for humidity-resistant printing high-performance phase-pure FAPbI3 perovskite solar cells and modules Xining Chen,1 Fu Yang,1,2,5,10,* Linhao Yuan,1 Shihao Huang,1 Hao Gu,1 Xiaoxiao Wu,1 Yunxiu Shen,1 Yujin Chen,5 Ning Li,6 Hans-Joachim Egelhaaf,7,8 Christoph J. Brabec,7,8 Rui Zhang,9 Feng Gao,9 ...
Learn MoreIncorporation of 1.67 mol% of 2D phenylethylammonium lead iodide into the precursor solution enables the formation of phase-pure formamidinium perovskite with …
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