Solar & Photovoltaics

Greening and Growing the Grid: Utility-Scale Solar 101

Alcombright D., SOLON Corporation, US

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

Ouyang J., National University of Singapore, SG

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

Van Oyen H., Quantum Technologies, Inc., US

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

Glass R.A., Squires S., Solterra Renewable Technologies, Inc, US

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

Elazari A., Millennium Electric T.O.U. LTD., IL

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 [...]

An Ab Initio Study of CuGaSe2 (001) Surface

Chew S., Liborio L., Harrison N., Imperial College London, UK

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

Kim Y., Imperial College, UK

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

Shikha S., Pandya D.K., Kashyap S.C., Chaudhary S., IIT Delhi, IN

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

Kim Y-W., Cho E., Choi S.C., Choi S.C., Lee D.W., Pusan National University, KR

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

Bohling D.A., Goldstein A., Treichel H., Lizard T., George M.A., Sunsonix, US

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

Iqbal M.A., Awais W., Punjab University, PK

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

Jeon K.M., Korea Advanced Institute of Science and Technology, KR

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 [...]

Shape Effect on the Reflectance of Sub-Wavelength Structures on Silicon Nitride for Solar Cell Application

Sahoo K.C., Li Y., Chang E.Y., National Chiao Tung University, TW

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

Sharma A., Sharma R., Sharma A., Sharma R., Sharma A., Sharma R., AKG College of Engineering, IN

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

Hodkiewicz J., Wall M., Thermo Fisher Scientific, US

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 [...]

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