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In a single day, enough sunlight strikes Earth to power the world for an entire year—that is, if we can find a way to capture that energy cheaply and efficiently. While the cost of solar energy has de...
In the ongoing race to develop ever-better materials and configurations for solar cells, there are many variables that can be adjusted to try to improve performance, including material type, thickness...
Scientists develop safer lead-based perovskite solar cells（图）
Scientists safer lead-based perovskite solar cells
2020/2/28
A team of National Science Foundation-supported researchers at Northern Illinois University and the U.S. Department of Energy's National Renewable Energy Laboratory in Golden, Colorado, report in the ...
'Magic' alloy could spur next generation of solar cells
Magic alloy spur next generation solar cells
2017/7/21
In what could be a major step forward for a new generation of solar cells called "concentrator photovoltaics," University of Michigan researchers have developed a new semiconductor alloy that can capt...
Major advance in solar cells made from cheap,easy-to-use perovskite
solar cells cheap perovskite
2016/11/29
Solar cells made from an inexpensive and increasingly popular material called perovskite can more efficiently turn sunlight into electricity using a new technique to sandwich two types of perovskite i...
Imagine solar cells so thin, flexible, and lightweight that they could be placed on almost any material or surface, including your hat, shirt, or smartphone, or even on a sheet of paper or a helium ba...
Inspired by art,lightweight solar cells track the sun
Inspired by art lightweight solar cells track the sun
2015/9/18
Solar cells capture up to 40 percent more energy when they can track the sun across the sky, but conventional, motorized trackers are too heavy and bulky for pitched rooftops and vehicle surfaces.Now,...
Electrically conductive plastics promising for batteries, solar cells（图）
solar cells Electrically conductive
2014/12/1
WEST LAFAYETTE, Ind. – An emerging class of electrically conductive plastics called "radical polymers” may bring low-cost, transparent solar cells, flexible and lightweight batteries, and ultrathin an...
Some energy scientists have ambitions as astronomical engineers. Their goal is to convert solar energy into electricity by primarily tailoring the solar irradiation rather than optimizing the photovol...
Detailed Balance Analysis and Enhancement of Open-Circuit Voltage in Single-Nanowire Solar Cells
Nanowire solar cell detailed balance open-circuit voltage effi ciency limit coherent eff ect resonance
2015/8/6
We present a detailed balance analysis of current density−voltage modeling of a single-nanowire solar cell. Our analysis takes into account intrinsic material nonidealities in order to determine...
Standard solar cells heat up under sunlight. The resulting increased temperature of the solar cell has adverse consequences on both its efficiency and its reliability. We introduce a general approach ...
Organic solar cells more efficient with molecules face-to-face
Organic solar cells more efficient with molecules face-to-face
2014/4/16
New research from North Carolina State University and UNC-Chapel Hill reveals that energy is transferred more efficiently inside of complex, three-dimensional organic solar cells when the donor molecu...
High Effi ciency Solar Cells As Fabricated by Sb2S3‑Modified TiO2 Nanofibrous Networks
hybrid solar cells electrospun TiO2 nanofibrous networks THF pretreatment Sb2S3 modification P3HT
2016/12/2
High-efficiency hybrid solar cells (HSCs) based on electrospun titanium dioxide (TiO2) nanofibers plus poly(3-hexylthiophene) (P3HT) are fabricated by means of both the pretreatment using tetrahydrofu...
Enhanced performance of hybrid solar cells based on ordered electrospun ZnO nanofibers modified with CdS on the surface
Organic solar cell Electrospun nanofibers ZnO CdS Poly(3-hexylthiophene)
2016/12/2
To improve the performance of the hybrid solar cells based on electrospun zinc oxide nanofibers/poly(3-hexylthiophene) (ZnO/P3HT), we modified the ZnO nanofibers with nanocrystalline cadmium sulfide (...
Rational design of novel A-A-D-A-A type electron donors for small molecule organic solar cells
novel A-A-D-A-A type electron donors small molecule organic solar cells
2016/12/2
We theoretically designed four new A-A-D-A-A type electron donors by side-by-side combination of strong electron-withdrawing groups. The electronic structures and optical absorption spectra of donors ...