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Room-Temperature Atomic-Layer-Deposited Al2O3 Improves the Efficiency of Perovskite Solar Cells over Time

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10389467" target="_blank" >RIV/00216208:11320/18:10389467 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1002/cssc.201801434" target="_blank" >https://doi.org/10.1002/cssc.201801434</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/cssc.201801434" target="_blank" >10.1002/cssc.201801434</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Room-Temperature Atomic-Layer-Deposited Al2O3 Improves the Efficiency of Perovskite Solar Cells over Time

  • Original language description

    Electrical characterisation of perovskite solar cells consisting of room-temperature atomic-layer-deposited aluminium oxide (RT-ALD-Al2O3) film on top of a methyl ammonium lead triiodide (CH3NH3PbI3) absorber showed excellent stability of the power conversion efficiency (PCE) over a long time. Under the same environmental conditions (for 355d), the average PCE of solar cells without the ALD layer decreased from 13.6 to 9.6%, whereas that of solar cells containing 9 ALD cycles of depositing RT-ALD-Al2O3 on top of CH3NH3PbI3 increased from 9.4 to 10.8%. Spectromicroscopic investigations of the ALD/perovskite interface revealed that the maximum PCE with the ALD layer is obtained when the so-called perovskite cleaning process induced by ALD precursors is complete. The PCE enhancement over time is probably related to a self-healing process induced by the RT-ALD-Al2O3 film. This work may provide a new direction for further improving the long-term stability and performance of perovskite solar cells.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10305 - Fluids and plasma physics (including surface physics)

Result continuities

  • Project

    <a href="/en/project/LM2015057" target="_blank" >LM2015057: Surface Physics Laboratory – Materials Science Beamline</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    ChemSusChem

  • ISSN

    1864-5631

  • e-ISSN

  • Volume of the periodical

    11

  • Issue of the periodical within the volume

    20

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    9

  • Pages from-to

    3640-3648

  • UT code for WoS article

    000448064300012

  • EID of the result in the Scopus database

    2-s2.0-85053896746