by the reaction of lead iodide (PbI2) films with methylammonium iodide (CH3NH3I) solution for 10 seconds. PbI2 emits light between 500-550 nm (green) while the CH3NH3PbI3 perovskite emits between ...

The scientists synthesized formamidinium lead iodide (FAPbI3) into ultrastable, high-quality photovoltaic films for high-efficiency perovskite solar cells. They hypothesized that using more stable ...

has reported success with the recovery of every layer of a planar methylammonium lead iodide (MAPbI3) perovskite solar cell using a layer-by-layer solvent extraction approach, followed by ...

Lead-free solder alloys have been around for as long as people have done soldering, with sources dating back about 5,000 years. Most of these alloys were combinations like copper-silver or silver ...

That’s less than two cents per child poisoned by lead. Thankfully, that number has just increased dramatically. Amid the UN General Assembly meeting in New York last week, the US Agency for ...

Its inventor was sure of it. Facing sceptical reporters at a press conference in October 1924, Thomas Midgley dramatically produced a container of tetraethyl lead - the additive in question - and ...

One-third of 36 tested ground cinnamon products and spice blends containing cinnamon had high levels of lead, defined as 1 ...

When it comes to the Corelle brand of dishes and dinnerware, consumers may be surprised to know that their products contain ...

In a film, the lead is one of the main characters that the narrative centers around. Example: Frasier Crane (Kelsey Grammer) in “Frasier” is a series regular. Cady Heron (Lindsay Lohan ...

An elementary school in Alexandria will be closed through Tuesday and the city health department is recommending that students, faculty and staff get blood tests after officials said lead was ...

Allowing terminally ill people to end their lives would not lead to a "slippery slope" of widening eligibility criteria, an MP pushing for the law has insisted. Kim Leadbeater told Sky News ...