Plasmonic backcontact grating for P3HT:PCBM organic solar cells enabling strong optical absorption increased in all polarizations

Sefünç, Mustafa; Okyay, Ali Kemal; Demir, Hilmi Volkan

doi:10.1364/oe.19.014200

Cited by 86 publications

(53 citation statements)

References 29 publications

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“…[10][11][12][13][14][15]]. There are three primary ways in which metallic nanostructured electrodes can be placed inside a PV device: (1) on the back metallic electrode; [31][32][33][34][35][36][37][38][39][40][41][42] (2) on the front/transparent electrode; [43][44][45][46][47] or (3) as a charge transport interlayer inside of the device stack [48][49][50][51] (see Fig. 3).…”

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confidence: 99%

Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

et al. 2015

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Abstract. Here, we review recent progress on the integration of plasmonic electrodes into bulkheterojunction organic photovoltaic devices. Plasmonic electrodes, consisting of thin films of metallic nanostructures, can exhibit a number of optical, electrical, and morphological effects that can be exploited to improve performance parameters of ultrathin photovoltaic active layers. We review the various types of plasmonic electrodes that have been incorporated into organic photovoltaics such as nanohole, nanowire, and nanoparticle arrays and grating electrodes and their impact on various device performance parameters. The use of plasmonic back electrodes can impact device performance in a number of ways because the mechanisms of performance improvements are often a complex combination of optical, electrical, and structural effects. Inverted bulk heterojunction device architectures have been shown to benefit from the multifunctionality of plasmonic back electrodes as they can minimize space-charge effects and reduce hole carrier collection lengths in addition to providing improved light localization in the active layer. The use of semi-transparent plasmonic electrodes can also be beneficial for organic photovoltaics as they can exhibit a variety of optical properties such as light scattering, light localization, extraordinary transmission of light, and absorption-induced transparency, in addition to providing an alternative to metal oxide-based transparent electrodes. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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confidence: 99%

Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

et al. 2015

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“…Metallic nanoparticle-based schemes 57,58 can provide polarization-insensitive enhancement, but they do not offer conductive pathways and cannot replace ITO electrodes. Metallic grating-based designs 11,59 do provide an alternative to ITO electrodes. However, such schemes either provide absorption enhancement in only one polarization, or provide no enhancement at any polarization because a significant part of incoming light is blocked by the metal structures.…”

Section: Enhanced Light Absorption In Organic Photovoltaic Cellsmentioning

confidence: 99%

Photonic crystal: energy-related applications

2012

J. Photon. Energy

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We review recent work on photonic-crystal fabrication using soft-lithography techniques. We consider applications of the resulting structures in energy-related areas such as lighting and solar-energy harvesting. In general, our aim is to introduce the reader to the concepts of photonic crystals, describe their history, development, and fabrication techniques and discuss a selection of energy-related applications. Abstract. We review recent work on photonic-crystal fabrication using soft-lithography techniques. We consider applications of the resulting structures in energy-related areas such as lighting and solar-energy harvesting. In general, our aim is to introduce the reader to the concepts of photonic crystals, describe their history, development, and fabrication techniques and discuss a selection of energy-related applications. Keywords

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“…휴대 폰에서 발생하는 전자파의 인체 흡수 전력량과 온도 상승량 [1] , 광대역 전자파 노출에 대한 인체의 영향 [2] 등 바이오 관련 기술에 대하여 FDTD [3] 가 적용되었 다. FDTD는 행렬 계산이 필요하지 않으며, 한 번의 시뮬레이션으로 매우 넓은 주파수 대역의 특성을 알 수 있는 장점이 있다. 또한, FDTD는 Maxwell Curl 방 정식을 직접 이산화 하므로 복잡하고 다양한 구조를 모델링하기에 매우 용이하므로 현재 바이오 기술은 물론 나노 기술 [4] 및 에너지 기술 [5] 에서도 많이 사용 되고 있다.…”

Section: ⅰ 서 론unclassified

Dispersive FDTD Modeling of Human Body with High Accuracy and Efficiency

하상규¹,

Cho²,

Kim³

et al. 2012

The Journal of Korean Institute of Electromagnetic Engineering

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We propose a dispersive finite-difference time domain(FDTD) algorithm suitable for the electromagnetic analysis of the human body. In this work, the dispersion relation of the human body is modeled by a quadratic complex rational function(QCRF), which leads to an accurate and efficient FDTD algorithm. Coefficients(involved in QCRF) for various human tissues are extracted by applying a weighted least square method(WLSM), referred to as the complex-curve fitting technique. We also presents the FDTD formulation for the QCRF-based dispersive model in detail. The QCRFbased dispersive model is significantly accurate and its FDTD implementation is more efficient than the counterpart of the Cole-Cole model. Numerical examples are used to show the validity of the proposed FDTD algorithm.

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Plasmonic backcontact grating for P3HT:PCBM organic solar cells enabling strong optical absorption increased in all polarizations

Cited by 86 publications

References 29 publications

Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

Plasmonic electrodes for bulk-heterojunction organic photovoltaics: a review

Photonic crystal: energy-related applications

Dispersive FDTD Modeling of Human Body with High Accuracy and Efficiency

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