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You Do Not Have To Be A Granola Eater To Use Green Energy!

Limiting our environmental impact is key, as is lowering energy costs. Your utility bill will keep going up, so start learning the benefits of how it works and what it does. The article that follows will help you understand solar energy a bit better.

Two categories of solar panels are available. Though cheaper, poly-crystalline panels are not quite as effective as mono-crystalline panels. When choosing solar energy supplies for your home, look for the most energy-efficient materials available.

Leasing a solar system is an option if up-front costs are prohibitive. In the long run, buying a solar energy system is always the better option, however leasing can still result in lower bills overall. Leasing a system will let you take advantage of the energy savings right away, however be aware that you can be stuck with your contract for up to 10 years.

Understand that solar energy is not right for everyone. Consider these factors before deciding. If you live in a remote area, solar energy might be great for you. Should you be able to afford it, this is a perfect way to reduce your carbon footprint.

Your solar energy system can not only save you money, but help you make it too. If your system happens to make more energy than you need, then you can sell it to the local energy company in your area. Imagine receiving money to produce energy instead of spending money to produce the same amount of energy?

Before signing any agreement for installation of solar energy products, get at least three estimates. Once the estimates are in your hand, read each one carefully to ensure that the installation is up to your standards. Each estimate should include a time frame of completion, a list of materials and the estimated amount of labor charged.

When thinking about going solar, start out small. This can be done in two ways. Foremost, you can use window-mounted solar panels for the energy needed to power small electronics. The second is to check out solar-powered camping supplies. All the small steps will add up to a reduced electric bill.

Have you ever been without power during a winter storm, resulting in you freezing and all your refrigerated food going bad? Instead of using a generator which will only run some of the power in your house, use solar energy. Swapping over your system can really help you to prevent power failures in the future.

Before signing any agreement for installation of solar energy products, get at least three estimates. Once the estimates are in your hand, read each one carefully to ensure that the installation is up to your standards. Each estimate should include a time frame of completion, a list of materials and the estimated amount of labor charged.

You have taken a good first step by reading more about solar energy and how it can benefit you. Now, it's time to devise a plan to implement solar energy in your home or business so that you can realize those benefits further. Keep in mind what you've read so that you can get started.

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New Research Could Boost Efficiency of Solar Cells

 

Solar energy could be made more efficient in the future, thanks to new findings published by scientists from Stony Brook and the Department of Energy’s Brookhaven National Laboratory (BNL).

As described in a paper published on April 29 in ACS Photonics, the research assembled a nanohybrid structure that contains both biologically derived (biotic) and inorganic (abiotic) materials. This nanostructure could be used to improve the efficiency with which solar cells harvest energy from the sun.

“Today’s best solar panels can convert nearly 23 percent of the sunlight they absorb into electricity, but on average, their efficiency ranges between 15 and 18 percent,” said Mircea Cotlet, a materials scientist in BNL’s Soft and Bio Nanomaterials Group and an adjunct professor in the Materials Science and Chemical Engineering Department in the College of Engineering and Applied Sciences at Stony Brook University.

“If this efficiency can be boosted, more electricity can be generated. absorb incoming sunlight, plants and certain kinds of bacteria rely on a light-harvesting protein complex containing molecules called chromophores,” Cotlet said. “This complex funnels solar energy to the photosynthetic reaction center, where it is converted into chemical energy for metabolic processes.”

The assembled biotic-abiotic nanohybrid shows enhanced harvesting of light and generation of electrical charge carriers compared to the 2-D semiconductor-only structure. These properties increase the nanohybrid’s response to light when the structure is incorporated into a field-effect transistor (FET), a kind of optoelectronic device.”

Co-author Jia-Shiang Chen, an SBU graduate student, contributed to the research.

In designing the nanohybrid, the scientists chose atomically thin 2-D molybdenum diselenide (MoSe2) as the platform for bottom-up assembly. Molybdenum diselenide is a semiconductor, or a material whose electrical conductivity is in between that of a regular conductor (little resistance to the flow of electrical current) and insulator (high resistance). They combined MoSe2 with two strong light-harvesting nanomaterials: quantum dots (QDs) and the allophycocyanin (APC) protein from cyanobacteria.

The scientists chose the components based on their light-harvesting properties and engineered the components’ band gaps (minimum energy required to excite an electron to participate in conduction) such that a concerted stepwise energy transfer can be promoted through the nanohybrid in a directional manner. In the hybrid, energy flows from light-excited QDs to the APC protein and then to MoSe2. This energy transfer mimics natural light-harvesting systems where surface chromophores (in this case, QDs) absorb light and direct the harvested energy to intermediate chromophores (here, APC) and finally to the reaction center (here, MoSe2).

I Thought About This https://news.stonybrook.edu/environmental-stewardship/new-research-could-boost-efficiency-of-solar-cells/

 

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