a perovskite thin film, typically methylammonium lead iodide

NewAmerica

Senior Member
Mandarin
Failed to understand the grammar of "a perovskite thin film, typically methylammonium lead iodide," because, perovskite "is a calcium titanium oxide mineral composed of calcium titanate (CaTiO3)." (Wiki: perovskite)

Should it be "a perovskite thin film, typically perovskite with methylammonium lead iodide"?


Thanks in advance

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Even so, physicists understand the overarching process. Just like a silicon device, a perovskite thin film, typically methylammonium lead iodide (MAPbI3), is sandwiched between two charge extraction layers. Upon exposure to light, holes and electrons generated in the perovskite lattice move towards the outer layers, creating an electric current. But no one understands how the lattice responds to light and, ultimately, why it’s such an efficient light harvester.


-Scientific American

Source
 
  • Dretagoto

    Senior Member
    Inglés británico
    You're looking at the wrong definition - you have looked at the definition of "perovskite", but not at the definiton of "pervoskite thin film" or "perovskite solar cell", which are "perovskite structures" made from materials like the lead iodide mentioned.

    Perovskite solar cell - Wikipedia

    Additionally, perovskite (the structure) is not calcium titanium oxide, but a material with the same crystalline structure as that compound.

    Cross-posted.
     

    RM1(SS)

    Senior Member
    English - US (Midwest)
    perovskite "is a calcium titanium oxide mineral composed of calcium titanate (CaTiO3)." (Wiki: perovskite)
    Keep reading.

    Perovskite (pronunciation: /pəˈrɒvskaɪt/) is a calcium titanium oxide mineral composed of calcium titanate (CaTiO3). The mineral was discovered in the Ural Mountains of Russia by Gustav Rose in 1839 and is named after Russian mineralogist Lev Perovski (1792–1856).[2]

    It lends its name to the class of compounds which have the same type of crystal structure as CaTiO3 (XIIA2+VIB4+X2−3) known as the perovskite structure.

    Cross-posted, between feline interruptions.
     

    NewAmerica

    Senior Member
    Mandarin
    You're looking at the wrong definition - you have looked at the definition of "perovskite", but not at the definiton of "pervoskite thin film" or "perovskite solar cell", which is perovskite PLUS another material, such as a lead iodide:

    Perovskite solar cell - Wikipedia

    Additionally, perovskite (the structure) is not calcium titanium oxide, but a material with the same crystalline structure as that compound.

    Cross-posted.
    Bingo!

    Thank you both.
     
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