Scientists in China built for the first time a four-terminal tandem perovskite cell with a 17.88%-efficient top perovskite device and a 7.85%-efficient bottom antimony selenide bottom cell.

Fertilizers common to crop production in Indiana usually contain nitrogen in one or more of the following forms: nitrate, ammonia, ammonium or urea. Each form has specific properties that determine ...

Cadmium selenide (CdSe) is an II-VI semiconductor material with a bandgap of around 1.7eV, which makes it ideal for building thin-film solar cells with strong optoelectronic properties ...

Nearly 3,000 tonnes of ammonium nitrate - taken from a ship off the coast of Beirut six years ago and then stored in a warehouse - has been blamed for the explosion that ripped through the port ...

Our graduate students are constantly making groundbreaking discoveries and important advances in physics. From studies on the universe's largest galaxies to the smallest of subatomic particles, read ...

However, ammonia- and nitrite-oxidizers also play a very important role in wastewater treatment facilities by removing potentially harmful levels of ammonium that could lead to the pollution of ...

A potential explosion aboard a damaged Malta-flagged cargo ship carrying ammonium nitrate from Russia could cause a blast as powerful as the atomic bomb used by the U.S. in Hiroshima, Japan ...

The MV Rhosus arrived at the port in 2013 carrying 2,750 tonnes of ammonium nitrate Lebanon's government has blamed the huge blast that devastated parts of Beirut on the detonation of 2,750 tonnes ...

Ammonia, NH 3, is an alkaline gas and so turns damp red litmus paper blue. Ammonium ions (NH 4 +) – found in ammonium compounds such as ammonium chloride, ammonium nitrate and ammonium sulfate ...

Ammonium nitrate, which is used in fertilizer and explosives, has been responsible for a number of incidents, including the 2020 Beirut explosion, which saw a large quantity of the substance ...

The lab preparation of ammonium sulfate happens on a small scale, but its industrial production happens on a much larger scale in several stages.

Picture: Dover Strait Shipping It is reported the vessel is carrying a load of ammonium nitrate - the material which caused a devastating explosion which killed 200 people in Beirut in 2020 - used ...