Solar Energy News -- ScienceDaily
Solar Energy Information. Read the latest news and techniques for efficient solar photovoltaic power, new solar energy systems and more.
Researchers overcome barriers for bio-inspired solar energy harvesting materials
23 Nov 2020 at 8:24am
Inspired by nature, researchers can demonstrate a synthetic strategy to stabilize bio-inspired solar energy harvesting materials. Their findings could be a significant breakthrough in functionalizing molecular assemblies for future solar energy conversion technologies.
Green hydrogen: Buoyancy-driven convection in the electrolyte
19 Nov 2020 at 9:53am
Hydrogen produced by using solar energy could contribute to a climate neutral energy system of the future. But there are hurdles on the way from laboratory scale to large-scale implementation. A team has now presented a method to visualize convection in the electrolyte and to reliably simulate it in advance with a multiphysics model.
System can sterilize medical tools using solar heat
18 Nov 2020 at 11:16am
Autoclaves, which are used to sterilize medical tools, require a steady supply of hot, pressurized steam. Researchers have come up with a way to generate that steam passively, using just the power of sunlight, to help maintain safe, sterile equipment at low cost in remote locations.
Solar cells: Mapping the landscape of Caesium based inorganic halide perovskites
16 Nov 2020 at 8:29am
Scientists have printed and explored different compositions of caesium based halide perovskites. In a temperature range between room temperature and 300 Celsius, they observe structural phase transitions influencing the electronic properties. The study provides a quick and easy method to assess new compositions of perovskite materials in order to identify candidates for applications in thin film solar cells and optoelectronic devices.
New green materials could power smart devices using ambient light
13 Nov 2020 at 9:40am
Researchers have developed environmentally friendly materials that could harvest enough energy from indoor light to power wireless smart devices.
Making a case for organic Rankine cycles in waste heat recovery
11 Nov 2020 at 11:43am
Researchers say that cascaded organic Rankine cycle systems could improve the way in which environmentally-friendly power is generated from waste heat.
Turning heat into electric power with efficient organic thermoelectric material
11 Nov 2020 at 9:28am
Thermoelectric materials can turn a temperature difference into electricity. Organic thermoelectric materials could be used to power wearable electronics or sensors; however, the power output is still very low. An international team has now produced an n-type organic semiconductor with superior properties that brings these applications a big step closer.
Smart devices to schedule electricity use may prevent power outages
10 Nov 2020 at 8:25am
Power plants generate electricity and send it into power lines that distribute energy to nodes where it can be used. But if the electricity load is more than the system's capacity, transmission can fail, leading to a cascade of failures throughout the electric grid. Researchers show demand side control may be an effective solution to stabilizing the reliability of power grids that use a mix of energy generation sources.
Scientists develop method to detect charge traps in organic semiconductors
4 Nov 2020 at 5:30am
Scientists have developed a very sensitive method to detect the tiny signatures of so called 'charge traps' in organic semiconductors.
Increasing the efficiency of organic solar cells
3 Nov 2020 at 4:55am
Organic solar cells are cheaper to produce and more flexible than their counterparts made of crystalline silicon, but do not offer the same level of efficiency or stability. Researchers demonstrated that increases in efficiency can be achieved using luminescent acceptor molecules.
'Transparent solar cells' can take us towards a new era of personalized energy
2 Nov 2020 at 2:32pm
Solar power has shown immense potential as a futuristic, 'clean' source of energy. No wonder environmentalists worldwide have been looking for ways to advance the current solar cell technology. Now, scientists have put forth an innovative design for the development of a high-power transparent solar cell. This innovation brings us closer to realizing our goal of a sustainable green future with off-the-grid living.
Hybrid photoactive perovskites imaged with atomic resolution for the first-time
29 Oct 2020 at 11:12am
A new technique has been developed allowing reliable atomic-resolution images to be taken, for the first time, of hybrid photoactive perovskite thin films - highly favorable materials for efficient photovoltaic and optoelectronic applications. These images have significant implications for improving the performance of solar cell materials and have unlocked the next level of ability to understand these technologically important materials.
How to design organic solar cell materials
27 Oct 2020 at 10:37am
Scientists have recently scrutinized organic solar cells and derived design rules for light-absorbing dyes that can help to make these cells more efficient, while tailoring the absorption spectrum of the cells to the needs of the chosen application.
Photovoltaics industry can help meet Paris agreement targets
27 Oct 2020 at 8:12am
To meet the Paris Agreement's goal of preventing Earth's average temperature from rising more than 2 degrees Celsius above preindustrial level, one of the best options for the energy economy will involve a shift to 100% renewable energy using solar energy and other clean energy sources. Researchers describe a model developed to predict what is necessary for the solar industry to meet Paris Agreement targets.
Promising strategies for durable perovskite solar cells
27 Oct 2020 at 8:12am
Perovskite materials are increasingly popular as the active layer in solar cells, but internal forces in these materials cause distortions in their crystal structures, reducing symmetry and contributing to their intrinsic instability. Researchers examined the mechanisms at play, as well as several degradation factors that influence the performance of perovskite photovoltaics. They clarified the factors influencing the degradation and they summarized some feasible approaches for durable perovskite photovoltaics.