Results 101 to 110 of about 25,063 (315)

When Poor Exciton Dissociation Limits Photocurrents in Organic Solar Cells: Why Low Offset Non‐Fullerene Acceptor Blends Can't Be Efficient

Advanced Materials, EarlyView.
The energetic offset between the donor and the acceptor components in organic photoactive layers is central to the tradeoff between photovoltage and photocurrent losses. This Perspective covers the most important issues surrounding this topic in non‐fullerene acceptor blends, from the difficulty of accurately determining state energies and driving ...
Dieter Neher, Manasi Pranav
wiley   +1 more source

Effect of the shape of connecting pipes on the performance output of a closed-loop hot water solar Thermo-syphon [PDF]

, 2014
In order to conserve the environment from pollution, which is caused by the use of the fossil fuels, numerous research works have been carried out in renewable energy area to minimize the dependency on the fossil fuels.
Freegah, Basim, Albarzenji, Dlir, Freegah, B., Albarzenji, D., Mishra, R., Pradhan, Suman, Asim, Taimoor, Asim, T., Mishra, Rakesh, Pradhan, S.   +9 more
core  

Towards optimal solar tracking: a dynamic programming approach [PDF]

, 2015
The power output of photovoltaic systems (PVS) increases with the use of effective and efficient solar tracking techniques. However, current techniques suffer from several drawbacks in their tracking policy: (i) they usually do not consider the ...
Chalkiadakis, Georgios, Panagopoulos, Athanasios Aris, Jennings, R Nicholas, Jennings, R. Nicholas, Jennings, Nicholas   +4 more
core   +1 more source

Numerical Simulation of the Collector Angle Effect on the Performance of the Solar Chimney Power Plant

Al-Khawarizmi Engineering Journal, 2017
Sloped solar chimney system is a solar chimney power plant with a sloped collector. Practically, the sloped collector can function as a chimney, then the chimney height can be reduced and the construction cost would be reduced.The continuity, Naver ...
Arkan K. Al-Taaie, Waheeds S. Mohammad, Abbas J. Jubear   +2 more
doaj  

Droplet Electricity Generators With Maximized Energy Collection Zone Enabled by Aloe‐Inspired Midrib and Cuticle

Advanced Materials, EarlyView.
An Aloe‐pinspired droplet electricity generator (A‐DEG) overcomes the limited energy collection zone of conventional DEGs by guiding impact droplets through a channeling midrib and artificial cuticle. The channeling midrib induces uni‐directional droplet spreading, while the artificial cuticle on the midrib further reinforces this behavior through its ...
Gibeom Lee, Eunbyeol Kim, Kyongtae Choi, Minjun Song, Sunmin Jang, Dongwhi Choi, Donghyun Seo, Min‐Gyu Lee, Younghoon Lee   +8 more
wiley   +1 more source

Analysis of a photovoltaic/thermal solar collector for building integration

, 2007
The idea of combining photovoltaic and solar thermal collectors (PVT collectors) to provide electrical and heat energy is not new, however it is an area that has received only limited attention.
Timothy Anderson, Duke, Mike, Mike Duke, Anderson, Timothy Nicholas   +3 more
core  

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

Advanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair, Hrisheekesh Thachoth Chandran, Karl Leo, Hans Kleemann   +3 more
wiley   +1 more source

Harvesting of solar energy through hybrid nanofluid based parabolic concentrating solar collector – Experimental and theoretical study

Next Materials
The optical and thermophysical properties of conventional base fluids undergo significant enhancement when small quantities of copper oxide (CuO) and aluminum oxide (Al2O3) nanoparticles are dispersed in the fluid.
C. Ayyanar, R.V. Sabariraj, P. Sureshkumar, N. Selva Karthik   +3 more
doaj   +1 more source

Rethinking Charge Transport and Recombination in Donor‐Diluted Organic Solar Cells

Advanced Materials, EarlyView.
Organic solar cells with 1–45% PM6 content in Y12 were studied to link structure and charge dynamics to performance. The conductivity follows a 3D percolation model without a sharp threshold. Donor dilution preserves the photogeneration yield, but limits the fill factor due to transport resistance losses.
Chen Wang, Christopher Wöpke, Toni Seiler, Jared Faisst, Mathias List, Meike Kuhn, Bekcy Joseph, Alexander Ehm, Dietrich R. T. Zahn, Yana Vaynzof, Eva M. Herzig, Roderick C. I. Mackenzie, Uli Würfel, Maria Saladina, Carsten Deibel   +14 more
wiley   +1 more source

Light trapping in fluorescent solar collectors

, 2012
A fluorescent solar collector (FSC) is an optoelectronic waveguide device that can concentrate both diffuse and direct sunlight onto a solar cell which is then converted to electricity.
Soleimani, Nazila
core