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Perovskite solar cells (PSCs) represent a breakthrough in photovoltaic technology, combining high power conversion efficiencies (PCEs), ease of fabrication, and tunable optoelectronic properties. However, their commercial viability is…

Materials Science · Physics 2025-06-30 Dilshod Nematov

The steady-state distribution of carrier concentrations in a solar cell under operating conditions is a key source of carrier recombination and directly influences the output current density. In this study, we investigated the effects of…

Materials Science · Physics 2024-11-01 Isshin Sumiyoshi , Yoshitaro Nose

Analytic expressions for the $JV$-characteristics of three types of multi-junction configurations are derived. From these, expressions for the short circuit current, open circuit voltage and voltage at the maximum power point are found for…

Applied Physics · Physics 2020-02-04 Rune Strandberg

The active layer microstructure of organic solar cells is critical to efficiency. By studying the photovoltaic properties of organic solar cell's microstructure, it is possible to increase the efficiency of the solar cell. A graph-based…

Neural and Evolutionary Computing · Computer Science 2019-10-29 Caine Ardayfio

A semiconductor structure consisting of two coupled quantum wells embedded into the intrinsic region of a {\it p-i-n} junction is proposed to be implemented as an intermediate band solar cell with ratchet state. The localized conduction…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 Anibal Thiago Bezerra , Nelson Studart

The photovoltaic reciprocity theory relates the electroluminescence spectrum of a solar cell under applied bias to the external photovoltaic quantum efficiency of the device as measured at short circuit conditions. Its derivation is based…

Mesoscale and Nanoscale Physics · Physics 2017-06-21 Urs Aeberhard , Uwe Rau

Perovskites are promising next-generation absorber materials for low-cost and high-efficiency solar cells. Although perovskite cells are configured similar to the classical solar cells, their operation is unique and requires development of…

Mesoscale and Nanoscale Physics · Physics 2018-02-01 Xingshu Sun , Reza Asadpour , Wanyi Nie , Aditya D. Mohite , Muhammad A. Alam

We have employed state-of-the-art cross-correlation noise spectroscopy to study carrier dynamics in silicon heterojunction solar cells, complimented by SENTARUS simulations of the same devices. These cells were composed of a light absorbing…

Applied Physics · Physics 2020-08-21 Kevin Davenport , Mark Hayward , C. T. Trinh , Klaus Lips , Andrey Rogachev

Organic heterojunction solar cells are analyzed within a minimal model that includes the essential physical features of such systems. The dynamical properties of this model, calculated using a master equation approach, account for the…

Materials Science · Physics 2011-11-11 Mario Einax , Marcel Dierl , Abraham Nitzan

We present a pipeline to study the device performance of organic solar cells in silico. We introduce a mathematical model that includes the dynamics of excitons as well as their dissociation at bulk heterojunctions within the nanomorphology…

This paper proposes an efficient three-layered p-GaAs/p-CIGS/n-CdS (PPN), a unique solar cell architecture. Copper indium gallium selenide (CIGS)-based solar cells exhibit substantial performance than the ones utilizing cadmium sulfide…

Systems and Control · Electrical Eng. & Systems 2023-09-15 Satyam Bhatti , Habib Ullah Manzoor , Ahmed Zoha , Rami Ghannam

Solar-to-fuel direct conversion devices are a key component to realize a full transition to a renewable-energy based chemistry and energy, but their limits and possibilities are still under large debate. In this review article, we focus on…

Chemical Physics · Physics 2022-05-12 Valentino Romano , Giovanna D'Angelo , Siglinda Perathoner , Gabriele Centi

The theoretical analysis of photovoltaic conversion efficiency of highly effective silicon solar cells (SC) is performed for n-type and p-type bases. The case is considered when the Shockley-Read-Hall recombination in the silicon bulk is…

Recombination losses contribute to reduce $J_{SC}$, $V_{OC}$ and the fill factor of organic solar cells. Recent advances in non-fullerene organic photovoltaics have shown, nonetheless, that efficient charge generation can occur under small…

Materials Science · Physics 2022-11-24 Artur M. Andermann , Luis G. C. Rego

Effect of geometrical and structural parameters on the efficiency of the tandem solar cell based on the III-V nanowire array on silicon is studied by the means of coupled opto-electrical simulations. A close to realistic structure,…

We systematically investigate PM6:Y12 bulk-heterojunction solar cells with donor fractions ranging from 1% to 45%, linking morphology, charge transport, and recombination to device performance. Complementary structural and spectroscopic…

The charge carrier mobility is a key parameter for the organic bulk heterojunction solar cell efficiency. It was recently shown that the interplay charge carrier transport and recombination, both depending on electron and hole mobilities,…

Materials Science · Physics 2011-01-17 A. Wagenpfahl , C. Deibel , V. Dyakonov

Organic semiconductors are a promising class of materials for numerous electronic and optoelectronic applications, including solar cells. However, these materials tend to be extremely sensitive to the local environment and surrounding…

Mesoscale and Nanoscale Physics · Physics 2023-03-29 Katherine A. Cochrane , Tanya S. Roussy , Bingkai Yuan , Gary Tom , Erik Mårsell , Sarah A. Burke

Organic photovoltaics (OPVs) are promising candidates for future sustainable technologies, including applications within the renewable energy sector, such as solar cells and indoor light recycling, and photodetection. However, the…

Materials Science · Physics 2023-07-20 Oskar J Sandberg , Ardalan Armin

Extensions have been made recently to the coronal approximation for the purpose of modelling line emission from carbon and oxygen in the lower solar atmosphere. The same modelling is used here for other elements routinely observed in the…

Solar and Stellar Astrophysics · Physics 2021-06-30 R. P. Dufresne , G. Del Zanna , P. J. Storey