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    Home»Solar»Semitransparent perovskite solar cell with 11.6% efficiency – pv magazine International
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    Semitransparent perovskite solar cell with 11.6% efficiency – pv magazine International

    By June 5, 2023Updated:June 5, 2023No Comments3 Mins Read
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    Italian scientists have used a titanium oxide sponge to efficiently stop lead leakage in a semitransparent photo voltaic cell. The machine displays the identical effectivity as semi-transparent perovskite units and has a mean seen transmittance (AVT) of 31.4%.

    June 5, 2023 Emiliano Bellini

    Scientists from the Italian Institute for Microelectronics and Microsystems (CNR-IMM) have developed a semi-transparent perovskite photo voltaic cell. They achieved this by depositing a titanium oxide (TiO2) sponge on the machine to stop doable lead (Pb) leakage.

    “We have now conceived the photo voltaic cell for functions in building-integrated photovoltaics (BIPV) and agrivoltaics, the place potential lead leakage may be seen as a severe public environmental and well being danger supply,” stated researcher Salvatore Valastro. pv journal.

    TiO2, a extremely adsorbent materials, serves as an efficient electron transport layer (ETL) in perovskite photo voltaic cells. To deal with the potential leakage of lead (Pb), the researchers created a solvent-free porous TiO2 movie, forming a sponge-like construction able to extracting Pb from broken cells throughout a simulated catastrophe. occasions.

    “The TiO2 sponge can sequester Pb in concentrations from 24 g cm2 to 63 g cm2, which is identical as within the MAPbI3 layer with a thickness from 200 nm (semi-transparent PSC) to 500 nm ( opaque PSC),” the researchers defined.

    They constructed the cell with a substrate product of glass and indium tin oxide (ITO), a gap transport layer (HTL) product of poly-triarylamine (PTAA), a perovskite absorber with a TIO2 sponge, an electron acceptor product of phenyl-C61-butyric acid methyl ester (PCBM), a bathocuproine (BCP) buffer layer, a gold (Au) steel contact, and the TIO2 sponge.

    “We deposited the sponge by means of a bodily solvent-free deposition, through the use of sputtering gear, an simply up-scalable deposition methodology, which is broadly utilized by semiconductor manufacturing firms,” stated stated Valastro. “A pre-sputtering step of 1 min was carried out earlier than the deposition course of to scrub the floor of the titanium goal to take away oxidized layers.”

    The photo voltaic cell achieves an influence conversion effectivity of 11.6% and has a mean seen transmittance (AVT) of 31.4%. “The effectivity worth of 11.6% is attribute of this semi-transparent structure,” stated Valastro.

    The analysis group described the cell tech in “Suppressing lead leakage in perovskite photo voltaic cells with a sustainable titanium dioxide sponge,” lately printed in Nature Sustainability.

    “Our methodology represents a concrete step ahead in fixing the discharge of Pb for BIPV, BAPV, agrivoltaics and opaque units, and likewise paves the way in which for the recycling of Pb in units on the finish of life,” the group concluded.

    This content material is protected by copyright and might not be reused. If you wish to cooperate with us and need to reuse a few of our content material, please contact: editors@pv-magazine.com.

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