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Maintaining the integrity of solar power plants is a vital component in dealing with the current climate crisis. This process begins with analysts creating a detailed map of a plant with the coordinates of every solar panel, making it…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Conor Wallace , Isaac Corley , Jonathan Lwowski

Indoor photovoltaics (IPVs) have attracted increasing attention for sustainably powering Internet of Things (IoT) electronics. Sb$_2$S$_3$ is a promising IPV candidate material with a bandgap of ~1.75 eV, which is near the optimal value for…

The resolution of conventional optical lenses is limited by the wavelength. Materials with negative refractive index have been shown to enable the generation of an enhanced resolution image where both propagating and non-propagating waves…

Optics · Physics 2016-11-25 Asaf Farhi , David J. Bergman

With the rapidly growing interest in bifacial photovoltaics (PV), a worldwide map of their potential performance can help assess and accelerate the global deployment of this emerging technology. However, the existing literature only…

Applied Physics · Physics 2018-02-22 Xingshu Sun , Mohammad Ryyan Khan , Chris Deline , Muhammad Ashraful Alam

We demonstrate an improvement in the performance of organic photovoltaic (OPV) systems based on small molecules by ionic gating via controlled reversible n-doping of multi-wall carbon nanotube (MWCNT) coated on fullerenes ETL: C60 and C70.…

It has gradually been recognized that incoming sunlight can be trapped within a high refractive index semiconductor, n~3.5, owing to the narrow 16degree escape cone. The solar light inside a semiconductor is 4n^2 times brighter than…

Optics · Physics 2024-05-16 Eli Yablonovitch , Zunaid Omair

The photovoltaic cell based on p-GaN film/n-ZnO micro rods quasi array heterojunction was fabricated. According to the scanning electron microscopy data, the ZnO array consisted of the tightly packed vertical micro rods with a diameter of…

Mesoscale and Nanoscale Physics · Physics 2023-04-25 Vlad Vasilyev , Borys Turko , Bogdan Sadovyi , Volodymyr Kapustianyk , Y. Eliyashevskyi , Roman Serkiz

While photovoltaic (PV) systems are installed at an unprecedented rate, reliable information on an installation level remains scarce. As a result, automatically created PV registries are a timely contribution to optimize grid planning and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Benjamin Rausch , Kevin Mayer , Marie-Louise Arlt , Gunther Gust , Philipp Staudt , Christof Weinhardt , Dirk Neumann , Ram Rajagopal

To improve light yield and energy resolution in large-volume neutrino detectors, light concentrators are often mounted on photomultiplier tubes to increase the detection efficiency of optical photons from scintillation or Cherenkov light…

Instrumentation and Detectors · Physics 2018-01-16 Yu Zhi , Ye Liang , Zhe Wang , Shaomin Chen

Agrivoltaics is an innovative approach in which solar photovoltaic (PV) energy generation is collocated with agricultural production to enable food-energy-water synergies and landscape ecological conservation. This dual-use requirement…

Renewable Energies (RE) have gained more attention in recent years since they offer clean and sustainable energy. One of the major sustainable development goals (SDG-7) set by the United Nations (UN) is to achieve affordable and clean…

Machine Learning · Computer Science 2022-12-27 Mehdi Hatamian , Bivas Panigrahi , Chinmaya Kumar Dehury

Africa holds the world's highest solar irradiance yet has <2% of global photovoltaic (PV) capacity, leaving 600 million people without electricity access. However, climate change impacts on its 10 TW potential remain understudied. Using…

Physics and Society · Physics 2025-10-28 Eva Lu , Dongdong Wang

The conventional notion for achieving high efficiency in thermophotovoltaics (TPVs) is to use a monochromatic emission at a photon energy corresponding to the band gap of the cell. Here, we prove theoretically that such a notion is only…

The calculation of solar absolute fluxes in the near-UV is revisited, discussing in some detail recent updates in theoretical calculations of bound-free opacity from metals. Modest changes in the abundances of elements such as Mg and the…

Astrophysics · Physics 2009-11-13 C. Allende Prieto

Photovoltaic (PV) modules have been employed in visible light communication (VLC) for simultaneous energy harvesting and data reception. A PV-based receiver features easy optical alignment and self-powered operation. It is commonly assumed…

Signal Processing · Electrical Eng. & Systems 2021-11-22 Shuyan Chen , Liqiong Liu , Lian-Kuan Chen

In photoelectron spectroscopy, the measured electron momentum range is intrinsically related to the excitation photon energy. Low photon energies $<10$ eV are commonly encountered in laser-based photoemission and lead to a momentum range…

In the operation & maintenance (O&M) of photovoltaic (PV) plants, the early identification of failures has become crucial to maintain productivity and prolong components' life. Of all defects, cell-level anomalies can lead to serious…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Urtzi Otamendi , Iñigo Martinez , Marco Quartulli , Igor G. Olaizola , Elisabeth Viles , Werther Cambarau

Optical wireless communication (OWC) is considered to be a promising technology which will alleviate traffic burden caused by the increasing number of mobile devices. In this study, a novel vertical-cavity surface-emitting laser (VCSEL)…

Information Theory · Computer Science 2021-08-16 Zhihong Zeng , Mohammad Dehghani Soltani , Majid Safari , Harald Haas

Photovoltaic (PV) power forecasting plays a critical role in power system dispatch and market participation. Because PV generation is highly sensitive to weather conditions and cloud motion, accurate forecasting requires effective modeling…

Artificial Intelligence · Computer Science 2026-04-07 Hang Fan , Haoran Pei , Runze Liang , Weican Liu , Long Cheng , Wei Wei

Graphene has been intensively studied in photovoltaics focusing on emerging solar cells based on thin films, dye-sensitized, quantum dots, nanowires, etc. However, the typical efficiency of these solar cells incorporating graphene are below…