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Imperfectly geometric shapes of nanograting structures as solar absorbers with superior performance for solar cells

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F14%3A86087444" target="_blank" >RIV/61989100:27640/14:86087444 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1364/OE.22.00A282" target="_blank" >http://dx.doi.org/10.1364/OE.22.00A282</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1364/OE.22.00A282" target="_blank" >10.1364/OE.22.00A282</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Imperfectly geometric shapes of nanograting structures as solar absorbers with superior performance for solar cells

  • Original language description

    The expectation of perfectly geometric shapes of subwavelength grating (SWG) structures such as smoothness of sidewalls and sharp corners and nonexistence of grating defects is not realistic due to micro/nanofabrication processes. This work numerically investigates optical properties of an optimal solar absorber comprising a single-layered silicon (Si) SWG deposited on a finite Si substrate, with a careful consideration given to effects of various types of its imperfect geometry. The absorptance spectraof the solar absorber with different geometric shapes, namely, the grating with attached nanometer-sized features at the top and bottom of sidewalls and periodic defects within four and ten grating periods are investigated comprehensively. It is found that the grating with attached features at the bottom absorbs more energy than both the one at the top and the perfect grating. In addition, it is shown that the grating with defects in each fourth period exhibits the highest average absor

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JA - Electronics and optoelectronics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2014

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    OPTICS EXPRESS

  • ISSN

    1094-4087

  • e-ISSN

  • Volume of the periodical

    22

  • Issue of the periodical within the volume

    S2

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    13

  • Pages from-to

    "A282"-"A294"

  • UT code for WoS article

    000333579200010

  • EID of the result in the Scopus database