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      Plasmonic-enhanced perovskite solar cells using alloy popcorn nanoparticles

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          Abstract

          This article demonstrates a significant broadband enhancement of light absorption and improvement of photon-generated-charge transfer in CH 3NH 3PbI 3 perovskite solar cells by incorporating plasmonic Au–Ag alloy popcorn-shaped nanoparticles (NPs).

          Abstract

          This article demonstrates a significant broadband enhancement of light absorption and improvement of photon-generated-charge transfer in CH 3NH 3PbI 3 perovskite solar cells by incorporating plasmonic Au–Ag alloy popcorn-shaped nanoparticles (NPs). Compared to conventional nanoparticles and nanorods, these popcorn-shaped NPs have many fine structures. The device's maximum power conversion efficiency (PCE) increases from 8.9% to 10.3%, namely 15.7% enhancement, with the aid of plasmonic popcorn-shaped NPs.

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          Nano-optics of surface plasmon polaritons

          Anatoly Zayats, Igor I. Smolyaninov, Alexei A. Maradudin (2005)
          Article 0 comments Cited 366 times – based on 0 reviews     Review now
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            Gold nanorods: from synthesis and properties to biological and biomedical applications.

            Xiaohua Huang, Svetlana Neretina, Mostafa A El-Sayed … (2010)
            Noble metal nanoparticles are capable of confining resonant photons in such a manner as to induce coherent surface plasmon oscillation of their conduction band electrons, a phenomenon leading to two important properties. Firstly, the confinement of the photon to the nanoparticle's dimensions leads to a large increase in its electromagnetic field and consequently great enhancement of all the nanoparticle's radiative properties, such as absorption and scattering. Moreover, by confining the photon's wavelength to the nanoparticle's small dimensions, there exists enhanced imaging resolving powers, which extend well below the diffraction limit, a property of considerable importance in potential device applications. Secondly, the strongly absorbed light by the nanoparticles is followed by a rapid dephasing of the coherent electron motion in tandem with an equally rapid energy transfer to the lattice, a process integral to the technologically relevant photothermal properties of plasmonic nanoparticles. Of all the possible nanoparticle shapes, gold nanorods are especially intriguing as they offer strong plasmonic fields while exhibiting excellent tunability and biocompatibility. We begin this review of gold nanorods by summarizing their radiative and nonradiative properties. Their various synthetic methods are then outlined with an emphasis on the seed-mediated chemical growth. In particular, we describe nanorod spontaneous self-assembly, chemically driven assembly, and polymer-based alignment. The final section details current studies aimed at applications in the biological and biomedical fields. Copyright © 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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              Gold nanorods and their plasmonic properties.

              Huanjun Chen, Lei Shao, Qian Li … (2013)
              Gold nanorods have been receiving extensive attention owing to their extremely attractive applications in biomedical technologies, plasmon-enhanced spectroscopies, and optical and optoelectronic devices. The growth methods and plasmonic properties of Au nanorods have therefore been intensively studied. In this review, we present a comprehensive overview of the flourishing field of Au nanorods in the past five years. We will focus mainly on the approaches for the growth, shape and size tuning, functionalization, and assembly of Au nanorods, as well as the methods for the preparation of their hybrid structures. The plasmonic properties and the associated applications of Au nanorods will also be discussed in detail.
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                Author and article information

                Journal
                Journal ID (publisher-id): RSCACL
                Title: RSC Advances
                Abbreviated Title: RSC Adv.
                Publisher: Royal Society of Chemistry (RSC)
                ISSN (Electronic): 2046-2069
                Publication date Created: 2015
                Publication date (Electronic): 2015
                Volume: 5
                Issue: 15
                Pages: 11175-11179
                Affiliations
                [1 ]State Key Laboratory for Mesoscopic Physics and Department of Physics
                [2 ]Peking University
                [3 ]Beijing 100871
                [4 ]China
                [5 ]Department of Electronic Engineering
                [6 ]Tsinghua National Laboratory for Information Science and Technology
                [7 ]Tsinghua University
                [8 ]Beijing 100084
                [9 ]New Display Device and System Integration Collaborative Innovation Center of the West Coast of the Taiwan Strait
                Article
                DOI: 10.1039/C4RA16385K
                SO-VID: fd6ec9c4-ed14-4593-9887-16119d4f099f
                Copyright © © 2015
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