Additive-Free Near-Intrinsic Narrow Band Gap Perovskites via Sequential Thermal Evaporation: for Photovoltaic Applications

Tin/lead (Sn/Pb) iodide perovskites (PVKs) have emerged as promising absorber layer materials for high-efficiency tandem solar cells due to their low cost, high light absorption coefficients, and narrow band gaps. However, current solvent-based synthesis techniques offer poor scalability, in turn hindering commercialization.<br/><br/>This study...

Life cycle analysis of perovskite solar cells for production in Europe

The photovoltaic (PV) technology plays a significant role in the global energy transition and perovskite solar cells (PSC) have been experiencing rapid development in the past few years. The life cycle analysis (LCA) method evaluates the possible environmental impacts during each life stage of one product, and applying this method to the...

Optimization of perovskite/c-Si tandem module for energy yield maximization under real-world conditions

Tandem technology has emerged as one of the most promising innovations in the field of photovoltaics. Higher conversion efficiencies than standard single-junction cells have already been achieved. Proving how these laboratory conversion capabilities translate into real-world performance is therefore a main interest drive within the photovoltaic...

Opto-Electrical Simulation of Perovskite/Silicon Tandem Solar Cell: ASA optimization of Pvk/c-Si tandem simulation

Emerging PV technologies like Perovskite has lead to the development of Perovskite/Silicon (Pvk/c-Si) tandem device (Multi-junction device) and has now gained a lot of momentum and attention due to the fact that the tandem device can reach a Shockley-Quisser limit of about 44.1% efficiency. But to speed up its development, a lot of emphasis is...

Broadening the Thin-Film Horizon: Opto-­electrical modelling of a monolithic Perovskite/CIGS tandem solar cell

The need for more efficient, cheaper, easily producible solar cells is growing as this combination of attributes can decrease the levelized cost of energy (LCOE). A two­terminal (2T) Perovskite and galliuminidium­gallium­selenide (Pvk/CIGS) tandem cell is an excellent candidate, as it can have a power conversion efficiency (PCE) of +30%, can be...

Simulation of Perovskite absorber materials for the application in flexible thin-film devices following HyET's solar cell structure: GenPro4 and ASA based simulations of a-Si, nc-Si, low and high bandgap perovskite single junction and tandem solar cells

Individual actions cannot solve the current climate crisis. Part of the collective effort is to research solar energy as new ways to produce cleaner, cheaper and more efficient electricity. Among all the current solar cell technologies, a thriving and promising one is perovskite as an absorber material. In the last ten years, the power...

Rubidium fluoride post deposition treatment of CIGS for perovskite-CIGS tandem applications

During the last years, large improvements in the efficiency on the CIGS technology have been achieved, making them excellent candidates as bottom cells for double junction tandem devices. This improvement is a result of the implementation of post deposition treatments (PDT) using alkali-metal fluorides. These alkalies prove to enhance the...

Development of Perovskite Absorber Layers synthesised by Techniques Compatible with Non-flat Substrates

Among the emerging photovoltaic (PV) technologies under development, perovskite solar cells (PSCs) stood out in the last decade as one the fastest advancing solar technology to date, reaching a power conversion efficiency of 25.5% in 2020. Perovskite (PVK) absorbers show great versatility thanks to compositional and bandgap engineering. In this...

Development of C60 Electron Transport Layer and Optical Analysis of Perovskite Absorber Material for Semi-transparent Perovskite Solar Cells Application

Perovskite materials gain a huge interest in the photovoltaic (PV) community due to its unique characteristics, including long carrier diffusion length, widely tunable bandgap, light absorption potential, and low processing cost. Nowadays, most perovskite fabrication methods employ a solution-based process due to its simplicity and production...

Study of Charge Carrier Dynamics in Methylammonium Lead Iodide with Electron and Hole Transport Layer under Bias Light

Perovskite solar cell s(PSC) has seen a huge increase in its efficiency, since its introduction in 2009, to 25.5% in 2021.d been introduced in 2009 and had seen a huge increase in their efficiency since then. Improving the perovskite–charge transport layer interface and charge extraction can increase the open circuit voltage (Voc) and thereby...

Worldwide analysis of the limiting efficiency of 2-junction solar cells

As the efficiency of silicon (Si) photovoltaic (PV) moves ever closer to the theoretical limit, 2-junction PV becomes increasingly interesting. Since PV cells are tested under standard test conditions (STC), but real world working conditions differ, it is interesting to see how 2-junction PV performs worldwide in different climates. Worldwide...

Exploring the Synthesis and Optoelectronic Properties of Cs₂AgSb_xBi_1-xBr₆ Double Perovskites: A Combined Computational and Experimental Study

Perovskite photovoltaic (PV) cells have become one of the most highly researched topics in photovoltaics and have achieved unprecedented increases in device efficiencies, but their commercialization remains hindered by their low stability and high toxicity. The currently best performing perovskite PV cells contain lead, a neurotoxic material...

Reversible and irreversible degradation of perovskite solar cells: Under light dark cycling

The perovskite solar cells (PSCs) comfortably placed close to the top of record power conversion efficiency chart for lab scale solar cells is not sold in the market. Yes, this statement can be a dictionary example for the word 'oxymoron'. Even with improving efficiencies recorded every now and then and with good material properties for a good...

Electrical Modeling of Perovskite Solar Cells

High-performance perovskite solar cells (PSCs) have attracted great attention from researchers around the world. Rapid researches and developments of PSCs are shown by the increase of its efficiency from 3.8% in 2009 to a new world record of 22.4% in 2017. Hysteresis phenomenon in current density voltage (J-V) is one of the challenges occurring...

Synthesis and characterization of mixed-metal hybrid perovskites

Metal halide perovskites have attracted a lot of attention over the last decade as a potential low cost alternative to traditional silicon based photovoltaics. Solar cells based on these materials have already achieved power conversion efficiency (PCE) of 22%. However, these high performing compositions are lead containing which is regarded as a...

Development of a semi transparent perovskite module: Optimization of the laser scribe for interconnection

Despite the fact of the outstanding efficiency of the perovskite-based devices, their current size is<br/>around a few square millimeters. The application of this thin-film technology in module scale requires<br/>an interconnection with optimal laser processing to create a channel for the photo current. In<br/>this project, the relation between...