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When data on building features is unavailable, the task of determining how to improve that building in terms of carbon emissions becomes infeasible. We show that from only a set of images, a Large Language Model with appropriate prompt…

Artificial Intelligence · Computer Science 2024-08-29 Peter J Bentley , Soo Ling Lim , Rajat Mathur , Sid Narang

Solar energy has the potential to become the backbone energy source for the world. Utility scale solar power plants (more than 50 MW) could have more than 100K individual solar modules and be spread over more than 200 acres of land.…

Machine Learning · Computer Science 2019-02-13 Alekh Karkada Ashok , Chandan G , Adithya Bhat , Kausthubh Karnataki , Ganesh Shankar

Photosynthesis powers life on our planet. The basic photosynthetic architecture comprises antenna complexes to harvest solar energy and reaction centers to convert the energy into a stable charge separated state. In oxygenic photosynthesis,…

Biological Physics · Physics 2013-10-07 Franklin D. Fuller , Jie Pan , S. Seckin Senlik , Daniel E. Wilcox , Jennifer P. Ogilvie

We analyze a theoretical model for energy and electron transfer in an artificial photosynthetic system. The photosystem consists of a molecular triad (i.e., with a donor, a photosensitive unit, and an acceptor) coupled to four accessory…

Biological Physics · Physics 2015-05-20 Pulak Kumar Ghosh , Anatoly Yu. Smirnov , Franco Nori

Network models of large-scale electricity systems feature only a limited spatial resolution, either due to lack of data or in order to reduce the complexity of the problem with respect to numerical calculations. In such cases, both the…

Physics and Society · Physics 2017-11-22 Mirko Schäfer , Simon Bugge Siggaard , Kun Zhu , Chris Risager Poulsen , Martin Greiner

We consider the setting of a sensor that consists of a speed-scalable processor, a battery, and a solar cell that harvests energy from its environment at a time-invariant recharge rate. The processor must process a collection of jobs of…

Data Structures and Algorithms · Computer Science 2016-09-12 Neal Barcelo , Peter Kling , Michael Nugent , Kirk Pruhs

Thanks to their excellent properties of low cost, lightweight, portability, and conformity, flexible perovskite-based tandem solar cells show great potentials for energy harvesting applications, with flexible perovskite/c-silicon tandem…

To phase-out fossil fuels, energy systems must shift to renewable electricity as the main source of primary energy. In this paper, we analyze how electrification can support the integration of fluctuating renewables, like wind and PV, and…

Systems and Control · Electrical Eng. & Systems 2023-06-16 Leonard Göke , Jens Weibezahn , Mario Kendziorski

Organic solar cells have the potential for widespread usage due to their promise of low cost, roll-to-roll manufacturability, and mechanical flexibility. However, deployment is impeded by their relatively low power conversion efficiencies.…

Materials Science · Physics 2015-03-19 Olga Wodo , Srikanta Tirthapura , Sumit Chaudhary , Baskar Ganapathysubramanian

The goal of this paper is to shed light on the statistical economies of scale achievable from sharing of storage between renewable generators. We conduct an extensive study using real world wind data from a grid of equispaced wind…

Systems and Control · Electrical Eng. & Systems 2019-12-03 Vivek Deulkar , Jayakrishnan Nair , Ankur A. Kulkarni

Topological photonic insulators pave the way toward efficient integrated photonic devices with minimized scattering losses. Optical properties of the majority of topological structures proposed to date are fixed by design such that no…

Optics · Physics 2019-02-01 Mikhail I. Shalaev , Wiktor Walasik , Natalia M. Litchinitser

Reconfigurable Intelligent Surfaces (RISs) have gained immense popularity in recent years because of their ability to improve wireless coverage and their flexibility to adapt to the changes in a wireless environment. These advantages are…

Signal Processing · Electrical Eng. & Systems 2023-07-24 Morteza Tavana , Meysam Masoudi , Emil Björnson

Numerical and semi-analytical models are presented for photon-enhanced-thermionic-emission (PETE) devices. The models take diffusion of electrons, inhomogeneous photogeneration, and bulk and surface recombination into account. The…

Materials Science · Physics 2012-08-27 Aapo Varpula , Mika Prunnila

As the transition to sustainable power generation progresses, green hydrogen production via electrolysis is expected to gain importance as a means for energy storage and flexible load to complement variable renewable generation. With the…

Systems and Control · Electrical Eng. & Systems 2024-12-30 Angelina Lesniak , Andrea Gloppen Johnsen , Noah Rhodes , Line Roald

Photocatalytic water splitting has emerged as a sustainable pathway for hydrogen production, leveraging sunlight to drive chemical reactions. This review explores the integration of density functional theory (DFT) with machine learning (ML)…

Computational Physics · Physics 2025-12-30 Dennis Delali Kwesi Wayo , Leonardo Goliatt , Darvish Ganji

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

Heterogeneous network (HetNet) is a specified cellular platform to tackle the rapidly growing anticipated data traffic. From communications perspective, data loads can be mapped to energy loads that are generally placed on the operator…

Networking and Internet Architecture · Computer Science 2021-10-13 Khondoker Ziaul Islam , MD. Sanwar Hossain , B. M. Ruhul Amin , Ferdous Sohel

Rising water demands and depleting freshwater resources have brought desalination and wastewater treatment technologies to the forefront. For sustainable water management, there is a global push towards Zero Liquid Discharge (ZLD) with the…

Applied Physics · Physics 2019-05-28 Akanksha K. Menon , Iwan Haechler , Sumanjeet Kaur , Sean Lubner , Ravi S. Prasher

Utilizing solar energy to meet space heating and domestic hot water demand is very efficient (in terms of environmental footprint as well as cost), but in order to ensure that user demand is entirely covered throughout the year needs to be…

Machine Learning · Computer Science 2024-05-17 Tatiana Boura , Natalia Koliou , George Meramveliotakis , Stasinos Konstantopoulos , George Kosmadakis

As a critical component of modern infrastructure, data centers account for a huge amount of power consumption and greenhouse gas emission. This paper studies the electricity purchase strategy for a data center to lower its energy cost while…

Systems and Control · Electrical Eng. & Systems 2024-05-01 Kekun Gao , Yuejun Yan , Yixuan Liu , Endong Liu , Pengcheng You