Photovoltaic cell crystal phase orientation
Influence of the orientation of methylammonium lead iodide perovskite crystals on solar cell …
The fabrication protocol for state-of-the-art planar heterojunction devices is based on a sequential deposition/conversion technique, first introduced by Liang and co-workers 12 and later applied to perovskite solar cells by Burschka and co-workers. 4 First, a film of PbI 2 is deposited either via evaporation or solution processing onto a non-porous …
Complete structure and cation orientation in the …
Complete structure and cation orientation in the perovskite photovoltaic methylammonium lead iodide between 100 and 352 K† Mark T. Weller * a, Oliver J. Weber a, Paul F. Henry b, Antonietta …
Enhancing the photovoltaic properties of SnS-Based solar cells by crystallographic orientation engineering …
The distinctive merit for the use of SnS in photovoltaic cells is its quasi-2D crystal structure. The more commonly used photovoltaic absorber materials (CIGS, CZTSSe, CdTe, etc.) exhibit a three-dimensional (3D) crystal structure, wherein atoms are bound by covalent and/or ionic bonds in all three spatial dimensions, which guarantees …
Managing Phase Orientation and Crystallinity of Printed Dion–Jacobson 2D Perovskite Layers via Controlling Crystal…
Two‐dimensional perovskites have attracted substantial attention for solar cell applications because of their higher stability as compared to their 3D analogs. To achieve efficient charge transport in thin‐film devices, obtaining high crystalline perovskite crystals perpendicularly aligned to the substrate is of great importance. This article …
Recent progress of crystal orientation engineering in …
In this review, we aim to summarize the advances achieved to date in the understanding of the crystal orientation-dependent optoelectronic properties of halide perovskites and their influence on the photovoltaic …
Bifunctional ligand-induced preferred crystal orientation enables highly efficient perovskite solar cells …
The possible mechanism of METEAM-induced (100)-oriented crystallization is depicted in Figure 1 F fore thermal annealing, as revealed by in situ grazing incident XRD (GIXRD) in Figures 2 A and 2B, METEAM promotes phase transformation from the non-photovoltaic yellow δ-phase to black-phase α-FAPbI 3, …
Magnetic-biased chiral molecules enabling highly oriented photovoltaic …
The crystal orientation of metal halide perovskites can be proficiently modulated through the magnetic dipole moments generated by chiral molecules interac To gain a deep understanding of the underlying mechanism, we conducted modeling to investigate the ...
Hydrazine solution processed CuSbSe 2 : Temperature dependent phase and crystal orientation …
So far, the photovoltaic conversion efficiency of CuSbSe 2 based solar cells are still <5%, slightly depending on the technique applied. Using a hydrazine solution process, Yang et al. reported a ...
Solar panel inclination angle and orientation
Optimization of the inclination, orientation and location of photovoltaic solar panels and solar collectors in a solar installation to maximize the use of renewable energy. Any implementation of a sustainable photovoltaic solar energy system implies the optimization of the resources to be used. ...
Modulating preferred crystal orientation for efficient and stable perovskite solar cells…
Modulating the growth of perovskite crystals along the preferred orientation is crucial for highly efficient and stable perovskite solar cells. This review summarizes various effective strategies for...
Stabilization of photoactive phases for perovskite photovoltaics
The past decade has seen reports of perovskite PVs using FAPbI 3 -rich compositions (Box 1) with ever-increasing power conversion efficiencies (PCEs), …
Overview: Photovoltaic Solar Cells, Science, Materials, Artificial …
Since the sun can provide all the renewable, sustainable energy we need and fossil fuels are not unexhaustible, multidisciplinary scientists worldwide are working to make additional sources commercially available, …
Oriented nucleation in formamidinium perovskite for photovoltaics
Oriented nucleation in formamidinium perovskite for ...
Recent progress of crystal orientation engineering in halide perovskite photovoltaic…
We also discuss recent studies regarding the crystal orientation-dependent photovoltaic performance of PSCs. ... A. Hagfeldt and M. Gratzel, Vapor-assisted deposition of highly efficient, stable black-phase FAPbI 3 perovskite solar cells, Science, 2020, 370 ...
Modulating preferred crystal orientation for efficient and stable perovskite solar cells…
The perovskite solar cell (PSC) has been recognized as a promising candidate for the next generation of photovoltaics due to its excellent power conversion efficiency (PCE), potential low cost and straightforward solution preparation processes. With efforts around ...
Manipulation of facet orientation in hybrid perovskite …
To reveal how intra-grain crystal orientation interfere the carrier behavior within the photovoltaic cells, devices based on mixed perovskites with (FAMA) (100−x) Cs x cascade were...
Comprehensive Review on CdTe Crystals: Growth, Properties, and Photovoltaic …
Abstract Despite the deep interest of materials scientists in cadmium telluride (CdTe) crystal growth, there is no single source to which the researchers can turn towards for comprehensive knowledge of CdTe compound semiconductor synthesis protocols, physical properties and performance. Considering this, the present review work …
Switchable Crystal Phase and Orientation of Evaporated Zinc Phthalocyanine Films for Efficient Organic Photovoltaics
In photovoltaic cells, increasing the light absorption coefficient enhances the photocurrent and quantum efficiency of the cell. Here, we report an efficient approach that enhances light absorption by changing the crystal phase of an evaporated ZnPc film on indium tin oxide (ITO) substrates. Under thermal treatment (>200 °C), the crystal phase of ZnPc changed …
Two-dimensional perovskites for photovoltaics
Very recently, Zheng et al. investigated the effects of halide-substituted PEA on the crystal orientation and phase distribution. ... Organometal halide perovskites as visible-light sensitizers for photovoltaic cells J. Am. …
Managing Phase Purities and Crystal Orientation for …
At the optimized annealing temperature of 50 °C, CsPbI 1.8 Br 1.2 films showed the highest phase purity of the photoactive …
Bifunctional ligand-induced preferred crystal orientation enables …
Regulating buried interface and crystal orientation by METEAM. The FAPbI 3 perovskite films were deposited via a one-step process with a small amount of …
CH3NH3PbI3 crystal orientation and photovoltaic performance of planar heterojunction perovskite solar cells …
The effect of crystal orientation of CH 3 NH 3 PbI 3 on photovoltaic properties has rarely been studied due to the lack of method to fabricate perovskite films with well-controlled crystal orientation in specific direction. Here, we have controlled the orientation of CH 3 NH 3 PbI 3 crystal by changing organic precursors (CH 3 NH 3 I and …
Managing Phase Purities and Crystal Orientation for High-Performance and Photostable Cesium Lead Halide Perovskite Solar Cells …
Managing Phase Purities and Crystal Orientation for High-Performance and Photostable Cesium Lead Halide Perovskite Solar Cells Qiong Wang,* Joel A. Smith, Dieter Skroblin, Julian A. Steele, Christian M. Wolff, Pietro Caprioglio, Martin Stolterfoht, Hans Köbler
The effects of crystal structure on the photovoltaic performance of perovskite solar cells …
XRD patterns in Fig. 1 f reveal a transformation of the crystal structure with increasing Br − content, from tetragonal (MAPbI 3) to pseudo cubic (MAPbI 2 Br and MAPbIBr 2) to cubic (MAPbBr 3), as shown schematically in Fig. 1 g.Also, the inset in Fig. 1 f shows a gradual shift in the main diffraction peak towards larger angles (i.e., from 14.17 to …
Switchable Crystal Phase and Orientation of Evaporated Zinc …
In photovoltaic cells, increasing the light absorption coefficient enhances the photocurrent and quantum efficiency of the cell. Here, we report an efficient approach that enhances …
Modulating preferred crystal orientation for efficient …
The crystal orientation directly affects the optoelectronic properties. It is well-known that oriented crystals provide more efficient charge transport, giving rise to higher J SC and FF, but the impact of different crystal …
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