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Solar water splitting provides a promising path for sustainable hydrogen production and solar energy storage. One of the greatest challenges towards large-scale utilization of this technology is reducing the hydrogen production cost. The…

Slow light has been widely utilized to obtain enhanced nonlinearities, enhanced spontaneous emissions, and increased phase shifts owing to its ability to promote light-matter interactions. By incorporating a graphene microheater on a…

More than half of the waste heat rejected into the environment has temperatures lower than 100 $^\circ C$, which accounts for nearly 85 PWh/year worldwide. Efficiently harvesting low-grade heat could be a promising step toward carbon…

Chemical Physics · Physics 2024-01-11 Xin Qian , Zhihao Ma , Qiangqiang Huang , Haoran Jiang , Ronggui Yang

This paper reports the synthesis and detailed characterization of graphite thin films produced by thermal decomposition of the (0001) face of a 6H-SiC wafer, demonstrating the successful growth of single crystalline films down to…

We investigate the connection between photonic local density of states and luminescent solar concentrator (LSC) performance in two manufacturable nanocavity LSC structures, a bilayer slab and a slab photonic crystal. Finite-difference…

Optics · Physics 2015-06-16 I. Rousseau , V. Wood

Transferring energy without transferring mass is a powerful paradigm to address the challenges faced when the access to, or the deployment of, the infrastructure for energy conversion is locally impossible or impractical. Laser beaming…

Applied Physics · Physics 2024-05-02 Richard Soref , Francesco De Leonardis , Gerard Daligou , Oussama Moutanabbir

Organic solar cells have the potential to be low-cost and efficient solar energy converters, with a promising energy balance. They are made from carbon-based semiconductors, which exhibit favourable light absorption and charge generation…

Materials Science · Physics 2015-03-13 Carsten Deibel , Vladimir Dyakonov

The use of photovoltaic (PV) sources is becoming very popular in smart grid for their ecological benefits, with higher scalability and utilization for local generation and delivery. PV can also potentially avoid the energy losses that are…

Performance · Computer Science 2014-07-21 Wayes Tushar , Shisheng Huang , Chau Yuen , Jian , Zhang , David B. Smith

With the increasing penetration of the roof-top solar PV and the rising interest in net-zero energy homes concept, there is a need of balancing the performance of intelligent controllers, their cost-effectiveness and over-all sophistication…

Systems and Control · Computer Science 2020-09-15 Sakshi Mishra , Praveen Palanisamy

We report that electricity can be generated from limitless thermal motion of ions by two dimensional (2D) surface of silicon wafer at room temperature. A typical silicon device, on which asymmetric electrodes with Au and Ag thin films were…

Mesoscale and Nanoscale Physics · Physics 2013-10-22 Guo'an Tai , Zihan Xu

For window applications in hot climates, it is desirable to have windows with high visible transparency, while maintaining strong reflectance in both the ultraviolet and near infrared, to minimize unwanted heat gain. Given that more than…

Optics · Physics 2026-05-04 Yeonghoon Jin , Seungwon Kim , Tanuj Kumar , Mikhail A. Kats , Kyoungsik Yu

The present work is an attempt to understand and review existing methods of energy generation in electric vehicles in the modern day context. Previous works in the field have proposed various mechanisms of energy generation that are very…

Systems and Control · Electrical Eng. & Systems 2024-10-16 Dibakar Das , Biplab Satpati , Md Arif , Gourab Das

This work deals with the problem of estimating a photovoltaic generation forecasting model in scenarios where measurements of meteorological variables (i.e. solar irradiance and temperature) at the plant site are not available. A novel…

Systems and Control · Computer Science 2019-11-07 Gianni Bianchini , Daniele Pepe , Antonio Vicino

Heat pipe is one of the most efficient tools for heat dissipation in electronics and power systems. Currently, heat pipes are usually made of copper, aluminum or stainless steel. Due to their relatively high density and limited heat…

Applied Physics · Physics 2020-02-27 Ya Liu , Shujing Chen , Yifeng Fu , Nan wang , Davide Mencarelli , Luca Pierantoni , Hongbin Lu , Johan Liu

Vapor condensation plays a crucial role in solar water-purification technologies. Conventional condensers in solar water-purification systems do not provide sufficient cooling power for vapor condensation, limiting the water production rate…

Thin films of cadmium stannate was prepared using low cost cadmium acetate and tin (II) chloride precursors by spray pyrolysis technique at three different substrate temperatures of 400, 450 and 5000 C. A novel procedure of simultaneously…

Materials Science · Physics 2007-05-23 V. Krishna Kumar , K. Ramamurthi , E. Elangovan

The efficiency of evaporative cooling, which is used for the creation of a Bose Einstein condensate, depends strongly on the number of particles at the start of the evaporation. A high efficiency can be reached by filling the…

Atomic Physics · Physics 2009-11-11 K. M. R. van der Stam , A. Kuijk , R. Meppelink , J. M. Vogels , P. van der Straten

This study underscores the pivotal role of sodium (Na) supply in optimizing the optoelectronic properties of wide bandgap (~1.6 eV) Cu(In,Ga)S2 (CIGS) thin film absorbers for high efficiency solar cells. Our findings demonstrate that the…

Almost all high-voltage dc generation for low-power applications is done by either electrostatic machines or voltage multipliers. Electrostatic machines use mechanically moving parts to transfer charge and energy from the low-voltage side…

Applied Physics · Physics 2021-11-09 Sanghyeon Park , Juan Rivas-Davila

It is known that silicon is an indirect band gap material, reducing its efficiency in photovoltaic applications. Using surface plasmons in metallic nanoparticles embedded in a solar cell has recently been proposed as a way to increase the…

Other Condensed Matter · Physics 2009-11-13 Martin Kirkengen , Joakim Bergli , Yuri M. Galperin