Optics & Photonics News
Might it be possible to create a photovoltaic device that could extract power when operating between Earth and space? A traditional solar cell generates power by
Tunable optical and photovoltaic performance in PTB7-based
The study demonstrates that 1D-PC integration significantly enhances ST-OSCs'' optical and photovoltaic properties, paving the way for advanced energy-harvesting
Hybrid solar energy device for simultaneous electric power generation
Hybrid solar energy device for simultaneous electric power generation and molecular solar thermal energy storage The efficiency of photovoltaic (PV) solar cells can be negatively impacted by the heat generated from solar irradiation. To mitigate this issue, a hybrid device has been developed, featuring a solar energy storage and cooling layer
Research on combined solar fiber lighting and photovoltaic power
The experimental results show that the sunlight transmitted to the room using optical fiber is bright and comfortable, with an average lighting efficiency of 15.1 %;
Solar power technology for electricity generation:
Here, in this study, solar energy technologies are reviewed to find out the best option for electricity generation. Using solar energy to generate electricity can be done either directly and
(PDF) Recent Advances in Solar
Background In recent years, solar photovoltaic technology has experienced significant advances in both materials and systems, leading to improvements in efficiency,
Optical fibers and solar power generation
A study of the potential use of optical fibers for solar thermal power generation is presented. The main performance characteristics (numerical aperture and attenuation) and typical costs of
Hybrid solar energy device for simultaneous electric power generation
The efficiency of photovoltaic (PV) solar cells can be negatively impacted by the heat generated from solar irradiation. To mitigate this issue, a hybrid device has been developed, featuring a
High temperature central tower plants for concentrated solar power
Regarding efficiency values and as a general overview, it can be highlighted that thermal efficiency (solar to mechanical) is estimated between 30% and 40% for solar power towers. This kind of systems presents overall plant peak efficiency (solar to electric) values in the interval [23–35] %, while its annual solar to electric efficiency varies from 20% to 35% [27] .
Optical Devices and Materials for Solar Energy and Solid-state
It also explores the range of optical elements for collecting, guiding, concentrating, coupling, trapping, transforming and absorbing sunlight – particularly for concentrating solar power (CSP). As optical components typically constitute the largest fraction of cost of such systems, the scope includes research devoted to improving all optical
Solar irradiance measurement instrumentation and power solar generation
The results of the review demonstrate the increased application of ANN on solar power generation forecasting. The hybrid system of ANN produces accurate results compared to individual models. The review also revealed that improvement forecasting accuracy can be achieved through proper handling and calibration of the solar irradiance instrument.
Elevating the prospects of green hydrogen (H2) production through solar
As the commercialisation of two contrasting solar-powered water splitting devices with lower TRLs of proton exchange membrane (PEM) electrolyser systems and photoelectrochemical (PEC) systems gains momentum, the path towards a sustainable H 2 economy is taking shape. Ongoing pilot projects and demonstration plants are proving the
Optimum Solar Conversion Cell Configurations | T2
NASA has invented a new optical fiber that is suitable for solar lighting applications and electrical generation. A key feature is the integration of photovoltaic material for electricity generation. Fiber solar cells surpass both
A collaboration of fiber optics and solar cel | EurekAlert!
The outcome of the research is that the solar power generation system (OSL solar cell hybrid system) is transferred indoors by applying side-emitting optical fibers, which makes it possible to
Novel photoelectrochromic devices incorporating carbon-based
The layout of the PEC device appears in Fig. 1, as well as the energy level diagrams of the constituent materials.The proposed PEC device is developed on a SnO 2:F (FTO) coated glass sheet that serves as a common anode (A in Fig. 1 a) and as one of the cathodes (C in Fig. 1 a). Terminals A and C are electrically separated by chemical etching of the
Advances in solar thermoelectric and photovoltaic-thermoelectric
Thermoelectric devices are looked upon as power-generation system as these have the potential to exploit waste heat and solar thermal energy along with added advantages like being environment-friendly, no moving parts, highly portable etc. TEGs have shown the potential to successfully convert waste heat into electricity and have been employed
Hybrid solar energy device for simultaneous electric power generation
For the hybrid device demonstration, a commercial polycrystalline Si-based PV cell was used. In order to evaluate how heat affects the performance of the PV cell (e.g., power generation efficiency), the PV device was characterized under irradiation from a class AAA solar simulator at different device temperatures, ranging from 8°C to 80°C.
Perovskite solar cells as modern nano tools and devices in solar power
High photovoltaic power conversion efficiencies of PSCs can be related to the high optical absorption property, balanced charge transport as well as long diffusion lengths of charge carriers. In this chapter, recent advances achieved in PSCs are presented to better understand high-performance PSCs and to recognize opportunities for more sophisticated
Nanotools and devices in solar power energy
The power conversion of solar cells can be improved by using the multiple p–n junction comprised of different semiconductor materials, creating higher photovoltage and through the generation of multiple excitons per high-energy photon or generation of single exciton with multiple low-energy photons.
High Efficiency Organic Solar Cells Achieved by the Simultaneous
37/2016 Volume 12 · No. 37 – October 5 2016 High Efficiency Organic Solar Cells Achieved by the Simultaneous Plasmon- Optical and Plasmon-Electrical Effects from Plasmonic
Solar power generation by PV (photovoltaic) technology: A review
For the generation of electricity in far flung area at reasonable price, sizing of the power supply system plays an important role. Photovoltaic systems and some other renewable energy systems are, therefore, an excellent choices in remote areas for low to medium power levels, because of easy scaling of the input power source [6], [7].The main attraction of the PV
Optical fibers and solar power generation
The major finding of the current analysis is that the use of optical fibers in solar thermal concentrating systems for power generation is feasible, but only under specific circumstances. The main point to watch is minimizing the amount of fibers used in the system, since this is a significant cost driver.
High Efficiency Organic Solar Cells Achieved by the Simultaneous
HTL is reduced by Au NSs. Consequently, power conversion effi ciency of 10.5% has been achieved through cooperatively plasmon-optical and plasmon-electrical effects of Au NSs. Organic Solar Cells X. G. Ren, J. Q. Cheng, Dr. X. C. Li, T. K. Rao, Prof. W. C. H. Choy Department of Electrical and Electronic Engineering The University of Hong Kong
Photothermal conversion-enhanced thermoelectric generators
Solar irradiation experiment: With the help of a solar simulator, the irradiation experiment of both the STEG device and the TEG device was performed under a home-made optical system, where the solar simulator heated the hot-side surface of the device, and the fan maintained the cold-side surface of the device cooling. Besides, the device was covered by a
A review of the use of different technologies/methods for the
Solar energy can be harnessed for electricity generation, water heating, and lighting. One innovative way to use solar energy for lighting is to transmit sunlight to indoor
A Review on Photothermal Conversion of
While common graphene foam without hierarchical nanostructure shows a large portion of reflection and transmission, leading to a low absorption of incident light.
A comprehensive review of machine learning applications in
Perovskite solar cells (PSCs) have shown great promise as a third-generation photovoltaic technology, with power conversion efficiencies (PCEs) rising from 3.8 % to 26.7 % within a decade. However, progress through traditional methods like manual optimization and labor-intensive processing remains slow, particularly in addressing stability and scalability issues.
Fundamental principles of concentrating solar power (CSP)
A concentrating solar power (CSP) system can be presented schematically as shown in Fig. 2.1.All systems begin with a concentrator; the various standard configurations of trough, linear Fresnel, dish and tower have been introduced in Chapter 1, and are addressed in detail in later chapters.There is a clear distinction between the line-focusing systems which
Enhanced photovoltaic energy conversion using
As a photovoltaic device (PV) can generate electrical power only when illuminated by photons with higher energy than the electronic bandgap of the material (Ephoton > Eg), the broad...
Optical Generation in Semiconductor Device
The description of the optical-generation phenomena has been incorporated in the semi conductor-device analysis program HFIELDS. This has been achieved by introducing a num ber of optical
Optical nanostructures design, fabrication, and applications for solar
Optical nanostructures can control the optical absorption and emission properties of surfaces and are therefore being investigated for solar thermophotovoltaics, thermophotovoltaics, solar thermal, infrared sensing, infrared sources, incandescent light sources, and thermal imaging applications, among many others.This review article describes various
Semi-transparent solar cells: strategies for maximum power output
Under the realistic sunny sky, a maximum output power intensity (Pout) of 150–250 W/m2 can be delivered, and the highest LUE of 23% (maximum y value) can be
Liquid metal technology in solar power generation
Various heat transfer systems based on liquid metals have been investigated, and consequently, significant advances in liquid metal material properties, industrial thermal management, and solar power generation have been achieved. This paper presents a thorough review on basics and applications of liquid metal technology in solar power generation.
Solar power and application methods
Renewable energy may be divided into categories such as wind power, solar energy, geothermal energy, ocean energy, hydropower, and biomass-waste energy [12] nshine flux can be used thermally (for heat engine or process heating), photo chemically (photovoltaic), and photo physically (photosynthesis) [13].The renewable solar energy is subdivided into
Enhancement of solar thermoelectric power generation by optical
The power generation of the aerogel-covered STEG dropped by only 3.0%. The maximum power generation of the aerogel-covered STEG was 54% and 71% higher than those of the glass-covered and uncovered STEGs, respectively. These results show that aerogel windows offer greater advantages than glass for STEGs in open environments.
Power generation device via solar collector coupled with a
In particular, the improvement of the optical properties of nanofluids can be achieved through two main approaches: increasing the optical absorption intensity of nanomaterials and broadening the wavelength range of the absorption spectrum of nanofluids [35], [36]. In practice, solar radiation energy is mainly concentrated in the wavelength range of
Systematic literature review on the potential of using solar
Systematic reviews are very useful for staying up-to-date. Haddaway and Pullin (2014) describes how systematic reviews are an important tool for obtaining and appraising evidence in a reliable, transparent, and objective way. Unlike traditional literature reviews, which may selectively cite studies, systematic reviews aim to evaluate and synthesize all relevant
6 FAQs about [Solar power generation can only be achieved through optical devices]
Can optical fibers be used in solar thermal concentrating systems?
CONCLUSIONS The major finding of the current analysis is that the use of optical fibers in solar thermal concentrating systems for power generation is feasible, but only under specific circumstances. The main point to watch is minimizing the amount of fibers used in the system, since this is a significant cost driver.
Can solar fiber light be used for photovoltaic power generation?
Conclusions A combined solar fiber lighting and photovoltaic power generation system based on spectral splitting (SSLP) technology has been proposed in this study, with visible light for house lighting and near-infrared light for photovoltaic power generation.
Can photovoltaic devices harvest solar energy?
The ability of photovoltaic devices to harvest solar energy can be enhanced by tailoring the spectrum of incident light with thermophotovoltaic devices. Bierman et al. now show that one such device achieves a solar-to-electrical efficiency of 6.8%, exceeding that of the solar cell alone.
How efficient is a solar-to-electrical conversion rate compared to a photovoltaic cell?
We measured a solar-to-electrical conversion rate of 6.8%, exceeding the performance of the photovoltaic cell alone. The device operates more efficiently while reducing the heat generation rates in the photovoltaic cell by a factor of two at matching output power densities.
How efficient is optical fiber?
The experimental results show that the sunlight transmitted to the room through the optical fiber is bright and comfortable, with an average lighting efficiency of 15.1 %; meanwhile, the average power generation efficiency is about 6.1 %. The power generation efficiency of the system can reach to one-third of that of conventional PV modules.
Can a 1d-pc improve photovoltaic performance?
The study resulted in a series of conclusions that not only can modify many optical properties of a solar cell offering a very high AVT, especially its color, but also produce a significant improvement in photovoltaic performance by integrating a functionally designed 1D-PC.
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