Archive for the ‘solar power’ category: Page 89

Aug 11, 2016

UW research fuels mini solar cells

Posted by in categories: biotech/medical, solar power, sustainability

Scientist looks to tap the sun to power adjustable contact lenses, other medical devices.

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Aug 10, 2016

How to turn green light blue

Posted by in categories: solar power, sustainability

The upconversion of photons allows for a more efficient use of light: Two photons are converted into a single photon having higher energy. Researchers at KIT now showed for the first time that the inner interfaces between surface-mounted metal-organic frameworks (SURMOFs) are suited perfectly for this purpose — they turned green light blue. The result, which is now being published in Advanced Materials (“Photon Upconversion at Crystalline Organic–Organic Heterojunctions”), opens up new opportunities for optoelectronic applications such as solar cells or LEDs.

Photon upconversion: energy transfer between the molecules is based on electron exchange

Photon upconversion: energy transfer between the molecules is based on electron exchange (Dexter electron transfer). (Image: Michael Oldenburg)

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Aug 10, 2016

With new water generators, Carrollton startup can unlock the ocean above your head

Posted by in categories: solar power, sustainability

In the blackland prairie of Texas, an ocean is thousands of miles away. But Benjamin Blumenthal, co-founder and chief executive officer of SunToWater Technologies, says we’re all standing under the sixth ocean — the one that’s above our heads.

The Carrollton startup makes an appliance that unlocks that water supply. The company’s water generators — each about the size of a central air conditioning unit — use air, salt and solar power to produce gallons of drinkable water. They could bring water to rural communities without a municipal water supply, regions stricken by drought or developing countries with water contamination.

But the company will target a higher-end market first: Homeowners with large lawns to water and swimming pools to fill. Blumenthal said SunToWater is focusing on customers in California and Texas, two states that have coped with an unpredictable, and often limited, water supply and the water restrictions and high utility bills that come with it.

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Aug 10, 2016

Elon Musk Says SolarCity Will Sell a Roof Integrated With Solar Panels

Posted by in categories: Elon Musk, solar power, sustainability

“It’s not a thing on the roof, it’s the roof,” says Musk.

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Aug 4, 2016

New way to model molecules

Posted by in categories: biological, chemistry, computing, encryption, quantum physics, robotics/AI, solar power, sustainability

Magine a future in which hyper-efficient solar panels provide renewable sources of energy, improved water filters quickly remove toxins from drinking water, and the air is scrubbed clean of pollution and greenhouse gases. That could become a reality with the right molecules and materials.

Scientists from Harvard and Google have taken a major step toward making the search for those molecules easier, demonstrating for the first time that a quantum computer could be used to model the electron interactions in a complex molecule. The work is described in a new paper published in the journal Physical Review X by Professor Alán Aspuru-Guzik from the Department of Chemistry and Chemical Biology and several co-authors.

“There are a number of applications that a quantum computer would be useful for: cryptography, machine learning, and certain number-theory problems,” Aspuru-Guzik said. “But one that has always been mentioned, even from the first conceptions of a quantum computer, was to use it to simulate matter. In this case, we use it to simulate chemistry.”

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Aug 3, 2016

ORNL optimizes formula for cadmium-tellurium solar cells

Posted by in categories: solar power, sustainability

Nice and Kudos to ORNL.

A team led by Jonathan Poplawsky of the Center for Nanophase Materials Sciences used advanced microscopy techniques to discover efficiency differences of crystalline structures of various mixtures of cadmium, tellurium and selenium. In fact, selenium is an integral part of the formulation that resulted in a world record for solar cell efficiency. The team’s paper is published in Nature Communications.

While some of today’s solar cells use a blend of cadmium and tellurium to convert light into electricity, adding the optimum amount of selenium in the right places could help increase efficiency from the current mark of about 22 percent to levels approaching the theoretical limit of 30–33 percent. The trick is to determine the best ratio of selenium.

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Aug 3, 2016

Tesla acquires sister firm SolarCity for $2.6 billion

Posted by in categories: Elon Musk, solar power, sustainability, transportation

Tesla buys SolarCity.

(Reuters) — SolarCity Corp agreed to be acquired by sister company Tesla Motors Inc in a deal worth $200 million less than the initial offer, sending shares of both companies down in early trading on Monday.

Electric vehicle maker Tesla expects to achieve “significant” cost savings and “dramatic improvements” in manufacturing efficiency as a result of the acquisition of solar panel installer SolarCity, Tesla Chief Executive Officer Elon Musk said on Monday.

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Jul 31, 2016

Lab 2.0: Will Computers Replace Experimental Science?

Posted by in categories: chemistry, computing, mobile phones, physics, science, solar power, sustainability

We spend our lives surrounded by hi-tech materials and chemicals that make our batteries, solar cells and mobile phones work. But developing new technologies requires time-consuming, expensive and even dangerous experiments.

Luckily we now have a secret weapon that allows us to save time, money and risk by avoiding some of these experiments: computers.

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Jul 30, 2016

Tesla Launches Gigafactory | Tesla Motors

Posted by in categories: business, Elon Musk, energy, environmental, physics, solar power, transportation

“Building the world’s largest factory to accelerate a sustainable energy future.”

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Jul 29, 2016

This Is the Enormous Gigafactory, Where Tesla Will Build Its Future — By Jack Stewart | Wired

Posted by in categories: Elon Musk, energy, solar power, transportation


““The factory is the machine that builds the machine,” Musk says, sitting in the lobby of his new building.”

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