Friday, October 18, 2019
Home Tags HZB

Tag: HZB

perovskite solar cells

Molecules That Self-Assemble into Monolayers for Efficient Perovskite Solar Cells

In recent years, solar cells based on metal halide perovskites have achieved an exceptional increase in efficiency. These materials promise cost-effective and flexible solar...
magnetic fields

Neutrons Scan Magnetic Fields Inside Samples

With a newly developed neutron tomography technique, an HZB team has been able to map for the first time magnetic field lines inside materials...
silicon solar cells

HZB Researchers Are Used to Boost the Efficiency of Silicon Solar...

The efficiency of a solar cell is one of its most important parameters. It indicates what percentage of the solar energy radiated into the...
Machine learning

Machine Learning Helps Improving Photonic Applications

Nanostructures can increase the sensitivity of optical sensors enormously – provided that the geometry meets certain conditions and matches the wavelength of the incident...
Thin-film solar cells

Patented Nanostructure for Solar Cells: Rough Optics, Smooth Surface

Thin-film solar cells made of crystalline silicon are inexpensive and achieve efficiencies of a good 14 percent. However, they could do even better if...
Nanoscale Heat Transport

Future Information Technologies: Nanoscale Heat Transport Under the Microscope

Metals usually conduct heat extremely well. Local heating is distributed almost instantaneously through their free electrons. By contrast, insulating materials without free electrons conduct...
tomographic images

World Record: Fastest 3D Tomographic Images at Bessy II

An HZB team has developed an ingenious precision rotary table at the EDDI beamline at BESSY II and combined it with particularly fast optics....
perovskite solar cell

Insight into Loss Processes in Perovskite Solar Cells Enables Improved Efficiency

In perovskite solar cells charge carriers are lost mainly by recombination at defects at the interfaces. However, recombination on defects inside the perovskite layer does...
Neutron tomography

Neutron Tomography: Insights into the Interior of Teeth, Root Balls, Batteries,...

A team of researchers at Helmholtz-Zentrum Berlin (HZB) and European Spallation Source (ESS) has now published a comprehensive overview of neutron-based imaging processes in...
magnets with lasers

Writing and Deleting Magnets with Lasers

Researchers of the HZDR, an independent German research laboratory, studied an alloy of iron and aluminum. It is interesting as a prototype material because...
superconductors

New Insights into High-Temperature Superconductors

After 30 years of research, there are still many unsolved puzzles about high-temperature superconductors - among them is the magnetic “stripe order” found in...
solar cells

Perovskite Solar Cells: Mesoporous Interface Mitigates the Impact of Defects

In only a few years, efficiencies of perovskite solar cells have been raised from 3 per cent to more than 20 per cent. What...
solar cells

Perovskite Solar Cells: Perfection Not Required!

Experiments at BESSY II reveal why even inhomogeneous perovskite films are highly functional Metal-organic perovskite layers for solar cells are frequently fabricated using the spin...
solar cells

Oxford PV Collaborates with HZB to Move Perovskite Solar Cells Closer...

Oxford PVTM – The Perovskite CompanyTM, the leader in the field of perovskite solar cells, today announced its collaboration with Helmholtz-Zentrum Berlin (HZB), the...
soft x-ray

New Method for Investigating Nanoparticles with Soft X-Ray Absorption Spectroscopy at...

Nanoparticles are really tiny, only a fraction of a micrometer or some nanometers in size. And only some thousands of molecules strong, their properties...
solar technologies

Progress in Solar Technologies – from Research to Application

EU group project presents its results: high efficiencies with less material A workshop entitled "European Solar Technology Forum – from Research to Industrial Application" took...
solar energy

Solar Energy: Defects in Kesterite Semiconductors Studied Using Neutrons

Kesterites are an economical and environmentally friendly materials which are semiconducting as well as being able to convert light into electricity. Concerning their crystal...
magnetic storage

HZB Scientists Discovering Future IT

HZB scientists have identified a mechanism with which it may be possible to develop a form of magnetic storage that is faster and more...
Antiferromagnetic

Future IT: Antiferromagnetic Dysprosium Reveals Magnetic Switching with Less Energy

HZB scientists have identified a mechanism with which it may be possible to develop a form of magnetic storage that is faster and more...
topological phases

Missing Link Between New Topological Phases of Matter Discovered

The HZB researchers studied crystalline semiconductor films made of a lead, tin, and selenium alloy (PbSnSe) that were doped additionally with tiny amounts of...