Papers:
An Ab Initio Study of CuGaSe2 (001) Surface
The chalcopyrite material CuIn1-xGaxSe2 makes one of the best performing devices for thin film solar cells. Despite this, there is still a lack of understanding of some of the fundamental properties of the material. CuGaSe2 [...]
Combining solution processed and vacuum deposited layers in small molecule organic solar cell
In this work the characteristics and mechanisms remarkably affecting efficiency in vacuum deposited small molecule solar cells using pentacene, C60, and BCP and the combination of solution processed and vacuum deposited layers like a P3HT [...]
Growth of improved ultrathin pristine SnO2 films by electric field modified spray pyrolysis technique
In the present paper, deposition of good quality polycrystalline pristine SnO2 thin films (25-200 nm) at ~ 450C by a modified spray pyrolysis technique is reported.DC electric field is applied during deposition to improve growth [...]
Improve of Photovoltaic Performance of Dye-sensitized Solar Cell by Concentrating Solar Energy
Dye-sensitized solar cell (DSSC) is extremely promising because it is made of low-cost materials and does not need elaborate apparatus to manufacture against the silicon solar cell. Accordingly, the DSSC is constantly researched globally. One [...]
Silicon Solar Cell Efficiency Improvement Through Advanced Cleaning Technology
Sunsonix™ has identified a technology gap/need in the area of crystalline silicon photovoltaic efficiency and field degradation. The cause of both poor efficiency and rapid degradation may share common roots, that being trace contamination at [...]
The Effects of Gamma Radiation on Silicon Solar Panels
The performance of the silicon solar panels are analyzed by calculating their different electrical parameters. The external parameters like short circuit current, open circuit voltage, maximum power point, fill factor, conversion efficiency are calculated experimentally [...]
Transparent polymer photodetector to control electronic devices
Polymer semiconductor materials are being used in variable applications such as OLED, OPV and Organic sensor, because polymer semiconductor materials have advantages like solution processing, low-cost, flexible, and easy large area fabrication. However, performance of [...]
Greening and Growing the Grid: Utility-Scale Solar 101
With the growth of renewable portfolio standards, rising electricity rates and increasing peak load demands, U.S. utilities are seeking new solutions to meet their renewable energy needs. Scalability, cost and reliability have been the primary [...]
High-Performance dye-sensitized solar cells with various nanostructured materials as counter electrode
Traditionally, Pt prepared by hydrolysis was used as the counter electrode of dye-sensitized solar cells. But the hydrolysis requires a high-temperature process, so that it is not suitable for flexible substrates like plastics. In addition, [...]
Use of Solar Energy in the Automotive Sector
With the advent of more Plug-in Hybrid Electric Vehicles (PHEV) on the market, the use and integration of solar electric components in this sector is becoming larger. Two areas of providing electrical energy into a [...]
Sustainable and cost effective solar technology made from Tetrapod Quantum Dot Solar Cells
Solterra Renewable Technologies Inc is designing and manufacturing solar cells using a proprietary thin film semiconductor technology that will allow a reduction in the average solar cell manufacturing costs and be extremely competitive. Solterra will [...]
Multi Solar Desalination Plant
Desalination technology, which makes it possible to exploit sea water as a water source, is playing an increasingly important role throughout the world. However, its high energy consumption is costly (4-5kWh/1 cubic meter of desalinated [...]
Shape Effect on the Reflectance of Sub-Wavelength Structures on Silicon Nitride for Solar Cell Application
Sub-wavelength structure (SWS) on anti-reflection coating instead of semiconductor surface can improve the efficiency of silicon solar cell has been studied both numerically and experimentally recently. The shape of the SWS may be somewhat variable [...]
Semiconductor Oxide Nanoparticles
The nanoparticle hybrid systems are improved semiconductors. They are compared with their isolated counterparts. We report the preparation of MO2 (M = Ti, Ce, and Sn) and their synthesis. We report the controlled-size semiconductor oxide [...]
Characterization of Microcrystalline and Amorphous Thin Film Silicon Devices with Raman Spectroscopy
Raman spectroscopy is highly sensitive to even slight changes in morphology of highly symmetrical, covalently bonded materials making it an ideal technique to characterize Silicon films. Furthermore, Raman spectroscopy is relatively insensitive to glass making [...]
Multi Solar (PVT) Air Conditioning System
A new innovation technology includes Multi Solar Air Conditioning system using the Multi Solar (PV/T) Collectors System and an Air conditioning unit that using the excessive solar thermal energy produced by the Multi Solar System [...]
Comparing the Efficiency of Silicon Based Solar Cells with Dye Sensitized Solar Cells
The typical method of making dye sensitized solar cells was used to begin wich, with a few new methods employed as varying constraints. Of particular concern is the porous sponge like structure of TiO2 that [...]
Maximum Power Point Tracker Controlling PV Converter. Research and Development Study
This paper presents a software developed Maximum Power Point Tracker (MPPT) algorithm for control of Photovoltaic (PV) DC-DC and DC-AC converters. The proposed algorithm was released with 8-bit microcontroller unit (MCU) and represents a part [...]
Development of the LabVIEW Monitoring System for the Hybrid PV-Wind Energy System
The objectives of this project are to measure and monitor the performance of the 4.8 kW grid-connected PV systems and 1 kW wind energy system. It can measure monitor and display the real time data [...]
Experimental study of solar spectrum impact on solar cells
Variations in solar spectrum can lead to changes in the performance and efficiency of solar cells, which operate at peak efficiency only over a relatively narrow band of the spectrum. Similarly heat absorbed by solar [...]
The Design and Development of Photovoltaic Electrical Generating System Experimental Set
The experimental set is suitable to use for training and teaching including the topics of PV stand-alone system, and PV grid-connected system. This experimental set could be use for students, workers, technicians, installers, and anyone [...]
Advanced Nanocomposite Materials Tailored to Solid-State Lighting Applications
Nanofibers and nanocomposites made from nanofibers are emerging as a key enabler for the next generation of lighting technologies. The emergence of these materials in lighting applications is driven by the fact that nanofiber substrates [...]
Enhanced Photoluminescence Properties of Li/Al-doped YPO4:Eu phosphors
we have prepared different concentrations of Li/Al-doped YPO4:Eu0.05 phosphors by solid state reaction method and the synthesized materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), excitation and emission measurements. The dependence of [...]
Journal: TechConnect Briefs
Volume: 3, Nanotechnology 2010: Bio Sensors, Instruments, Medical, Environment and Energy
Published: June 21, 2010
Industry sectors: Advanced Materials & Manufacturing | Energy & Sustainability
Topics: Photonic Materials & Devices, Sustainable Materials
ISBN: 978-1-4398-3415-2