5 years ago

Solid-State Plasmonic Solar Cells

Solid-State Plasmonic Solar Cells
Xu Shi, Tomoya Oshikiri, Hiroaki Misawa, Quan Sun, Kosei Ueno
Metallic nanoparticles such as silver and gold show localized surface plasmon resonances (LSPRs), which are associated with near-field enhancement effects in the vicinity of nanoparticles. Therefore, strong light–matter interaction is induced by the near-field enhancement effects of LSPRs. Because the resonant wavelength of LSPRs can be easily controlled by the size and shape of the metallic nanoparticles in the visible and near-infrared wavelength range, LSPRs have received considerable attention as optical antennae for light energy conversion systems such as solar cells. LSPRs decay very quickly as a result of light scattering and excitation of electron–hole pairs in the metal itself. However, in addition to the near-field enhancement effect, this light scattering and electron–hole pair excitation, which are known to cause loss of LSPRs, can be utilized as a solar cell enhancement mechanism. Here, we focus on plasmonic solid-state solar cells. The mechanisms of the light scattering by LSPRs, near-field enhancement, and plasmon-induced charge separation based on electron–hole pair excitations can be clarified. We review the related studies from the viewpoint of these mechanisms rather than material science.

Publisher URL: http://dx.doi.org/10.1021/acs.chemrev.7b00235

DOI: 10.1021/acs.chemrev.7b00235

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