The physical properties of cadmium sulfide (CdS) thin films have been optimized using different substrates for perovskite solar cell applications as electron-transport layer. The films were deposited by electron beam evaporation on glass, fluorine doped tin oxide (FTO), indium tin oxide and silicon wafer (n-type) and characterized by …
This machine learning‐guided reliable SPINBOT platform enables the acceleration of the optimization process of perovskite solar cells via a simple …
This machine learning (ML)-guided reliable SPINBOT platform enables the acceleration of the optimization process of perovskite solar cells via a simple photoluminescence …
Perovskite and CIGS solar cells also manifest high flexibility thanks to the thin-film nature of the devices, thereby widening their applicability in flexible and lightweight applications. With this motivation, ...
Perovskite solar cells based on screen-printed thin films
All-perovskite multi-junction photovoltaics, comprised of a wide-bandgap (WBG) and a low-bandgap (LBG) perovskite solar cell (PSC), has opened a new window to cost-effective yet highly efficient solar cells (>33%). However, the poor operational stability of LBG PSCs is a major obstacle to the technological a
In CPs, the doping process generates polarons (quasiparticles consisting of charge and phonon clouds) or bipolarons, which leads to electron delocalization over the backbone and facilitates the electronic conductivity. Anions derived from the oxidant, such as Cl − or Br −, incorporate into the oCVD films during growth, providing doping simultaneously with the …
The upscaling of perovskite solar cells is one of the challenges that must be addressed to pave the way toward the commercial development of this technology. As for other thin-film photovoltaic technologies, upscaling requires the fabrication of modules composed of series-connected cells. In this work we demonstrate for the first …
We report a fast, reliable and non-destructive method for quantifying the homogeneity of perovskite thin films over large areas using machine vision. We adapt existing machine vision algorithms to ...
Using a stable and viscosity-tunable perovskite ink, a hybrid perovskite thin-film photovoltaic device can be deposited by the screen-printing method, which …
This machine learning (ML)-guided reliable SPINBOT platform enables the acceleration of the optimization process of perovskite solar cells via a simple photoluminescence characterization of films.
1. Introduction In addition to the high photoelectric conversion efficiency, the simple preparation process is one of the most attractive features of perovskite solar cells (PSCs). Perovskite films can be deposited by a variety of techniques, such as one-step deposition [1], two-step sequential deposition [2], vapor-assisted solution method [3], etc.
Research Article. APPLIED SCIENCES AND ENGINEERING. Tuning, optimization, and perovskite solar cell device integration of ultrathin …
Recently developed organic–inorganic hybrid perovskite solar cells combine low-cost fabrication and high power conversion efficiency. Advances in perovskite film optimization have led to an outstanding power conversion efficiency of more than 20%. Looking forward, shifting the focus toward new device architectures holds great potential …
As a new member of thin-film solar cells, the perovskite solar cells have inspired a new research hot in new photoelectric materials and devices, and have given a new energy to the photovoltaic science. Currently, various device structures, including mesoporous and planar, with and without hole transport material have been developed. In …
Transferrable optimization of spray-coated PbI 2 films for perovskite solar cell fabrication M. Remeika, S. R. Raga, S. Zhang and Y. Qi, J. Mater em. A, 2017, 5, 5709 DOI: 10.1039/C6TA09922J This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. ...
5 · The optimized cell geometries presented in section "Results" were used to calculate the ... M. J. et al. Wave-optical front structures on silicon and perovskite thin …
Perovskite solar cells (PSCs) have developed at a phenomenal rate in the last decade due to their suitable photovoltaic bandgap range ... Optical analysis in CH3NH3PbI3 and CH3NH3PbI2Cl based thin-film perovskite solar cell. Am. J. Energy Res., (2015) 19-24. ...
The platform efficiently explores an intricate multi-dimensional parameter space to produce high-quality and reproducible films. As a result, the optimized film …
This machine learning (ML)-guided reliable SPINBOT platform enables the acceleration of the optimization process of perovskite solar cells via a simple …
With further optimization, the perovskite solar cells exhibit ~20 mA/cm2 of Jsc and a 12.4% PCE (11.3% of averaged PCE). Inverted perovskite solar cells incorporating RF sputtered NiO thin films ...
Hybrid organic–inorganic halide perovskite based solar cell technology has passed through a phase of unprecedented growth in the efficiency scale from 3.8% to above 25% within a decade. This …
In recent years, CH 3 NH 3 PbI 3 perovskite solar cells have made rapid efficiency gains and attracted widespread interest due to their excellent optical and electrical properties and potential low cost. 11 The record efficiency for single-junction perovskite cells is quickly growing and currently stands at 21.0%, 12 by far the highest among …
Double-junction solar devices featuring wide-bandgap and narrow-bandgap sub-cells are capable of boosting performance and efficiency compared to single-junction photovoltaic (PV) technologies. To achieve the best performance of a double-junction device, careful selection and optimization of each sub-cell is crucial. This work …
Promises and challenges of perovskite solar cells
Development of Spray-Coated Perovskite Solar Cells
This machine learning (ML)‐guided reliable SPINBOT platform enables the acceleration of the optimization process of perovskite solar cells via a simple …
We provide details on the development of instrumentation and methodology to overcome the common difficulties that the vacuum-related techniques face for fabrication of perovskite thin films and …
Organic-inorganic lead halide perovskite solar cells (PSCs) are at the forefront of solar technology due to their strikingly high efficiency and relatively low production cost [1], [2], [3]. Recent achievements have witnessed single-junction PSCs reach an impressive power conversion efficiency (PCE) of 26.1%, and their tandem …
We report a fast, reliable and non-destructive method for quantifying the homogeneity of perovskite thin films over large areas using machine vision.
In this study, to estimate the light absorption layer thin-film optimization of perovskite solar cells, the regression models of the support vector machine''s linear kernel, R.B.F kernel, polynomial kernel, and sigmoid kernel were compared to …
A combinatorial solar cell device was fabricated with a spin-coated hole transport layer, followed by vacuum evaporation of Ag electrode, on the perovskite library film and I-V characteristics were measured to evaluate the cell performance.
The ability to reduce energy loss at semiconductor surfaces through passivation or surface field engineering is an essential step in the manufacturing of efficient photovoltaic (PV) and ...
Liu et al. report the deposition of eco-friendly vacancy-ordered double perovskite Cs2SnI6 thin films using a one-step solution process. Subsequently, an external atomic doping is adopted to modulate the electrical property of the Cs2SnI6 perovskite. The resulting transistors exhibit appealing electrical performance with highly …