Japanese scientists have built a chalcopyrite PV device for tandem solar cells and water splitting for hydrogen generation. The device has a power conversion efficiency of 11.05%, an open-circuit ...

Researchers in the Netherlands have designed a water-splitting system with an electrochemical cell and a 25%-efficient tandem perovskite-silicon solar cell. It can reportedly achieve a ...

Artificial photosynthesis provides a way to store solar energy in chemical bonds. Achieving water splitting without an applied external potential bias provides the key to artificial photosynthetic ...

Turning away from fossil fuels is necessary if we are to avert an environmental crisis due to global warming. Both industry and academia have been focusing heavily on hydrogen as a feasible clean ...

Hydrogen can be produced by electrolysis of water, ideally with solar cells or wind power providing the electrical energy required. This "green" hydrogen is expected to play an important role in the ...

In a groundbreaking development, scientists have harnessed the power of water and pressure within nanoporous silicon to generate electricity. This innovative approach, which relies solely on the ...

The solar device, known as a photoelectrochemical cell, integrates halide perovskite semiconductors with electrocatalysts in a single, scalable device that can split water into hydrogen and oxygen ...

Researchers have developed a novel device that produces oxygen inside of a 'living pharmacy' implant in order to keep cells alive inside the self-contained device. The device produses oxygen through a ...

Scientists combine two promising photocatalysts to obtain higher solar-to-hydrogen conversion efficiency and durability in a water splitting cell. Turning away from fossil fuels is necessary if we are ...