Three Dimensional Solar Cells Based on Optical Confinement Geometries

Li, Yu An

doi:10.1007/978-1-4614-5699-5

Cited by 6 publications

(2 citation statements)

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“…At last, the transfer matrix simulation (Figure S13, Supporting Information) [ 19–21 ] was employed to examine the reflective chrominance coverage of widely utilized OPV systems with measurements of n , k values, including blends of D18:N3, PBDB‐T:ITIC, PM6:Y6, and PM6:IT‐4F ( Figure a–d). A top illumination architecture was adopted to reinforce the thermal tolerance of BE.…”

Section: Resultsmentioning

confidence: 99%

Semitransparent Organic Solar Cells with Homogeneous Transmission and Colorful Reflection Enabled by an ITO‐Free Microcavity Architecture

Xiao,

Li,

Zhang

et al. 2023

Advanced Materials

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Semitransparent organic photovoltaics (ST‐OPVs), owing to the merits of high power generation, thermal insulation and aesthetic features, have become a promising candidate for intellectual building‐ integrated photovoltaic windows. However, the traditional optical evaluation only focuses on the transmission properties and ignores the reflection behaviors. And the lack of quantitative descriptions for array appearance hinders implementation of ST‐OPV based large‐area modules. To tackle with these issues, we introduce an ITO‐free optical microcavity architecture into ST‐OPVs for achieving high homogeneity in transmittance with controllable reflective appearances through tunning the thickness of individual component layers. We further propose a set of parameters based on optical characteristics of sub‐ units to provide a quantitative description for the transmittance brightness, transmissive and reflective color purity, and versatility of optical arrays. The optical simulations reveal that reflection modulation from blue to red colors could be realized for devices based on various bulk‐heterojunction material systems through regulating the thickness of active layers and anti‐ reflection coatings. This work offers a viable design strategy for ST‐OPVs toward applications in next‐generation smart photovoltaic windows.This article is protected by copyright. All rights reserved

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Section: Resultsmentioning

confidence: 99%

Semitransparent Organic Solar Cells with Homogeneous Transmission and Colorful Reflection Enabled by an ITO‐Free Microcavity Architecture

Xiao,

Li,

Zhang

et al. 2023

Advanced Materials

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“…At a PS-AgNP concentration of 2.90 nM, the average R sh values decreased by 50% compared to the reference devices. R sh is termed the parallel resistance, which is inversely proportional to the level of leakage current as a result of linear ohmic shunts (i.e., short circuits) and nonlinear local shunts. ,, The local shunts, where charge carriers recombine, are usually caused by nanoparticle aggregation, ,, poor interface quality, and crystal defects . An examination of the PS-AgNPs on the active layer (Figures a and b) reveals the cause of the decreasing R sh .…”

Section: Discussionmentioning

confidence: 99%

Critical Role of Polystyrene Layer on Plasmonic Silver Nanoplates in Organic Photovoltaics

Metzman

Khan

Magill

et al. 2019

ACS Appl. Energy Mater.

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Plasmonic nanoparticles create large local electric field enhancements in organic photovoltaics (OPVs), substantially enhance the absorption of light, and consequently improve the device efficiency. In this report, anisotropic Ag nanoplates (AgNPs) were functionalized by thiol-terminated polystyrene (PS-SH) to yield polystyrene-functionalized Ag nanoplates (PS-AgNPs). The PS-AgNPs were spin-coated directly on the OPV active layer, poly(3-hexylthiophene-2,5-diyl):[6,6]-phenyl C61 butyric acid methyl ester (P3HT:PCBM). A systematic variation of the PS-AgNP solution concentration correlated to different nanoparticle densities on the active layer. The localized surface plasmon resonance (LSPR) of the PS-AgNPs enhanced the light absorption of the active layer, which directly contributed to an increase in exciton yield, demonstrated by the increased photoluminescence emission intensities in P3HT films. In addition, incorporation of the PS-AgNPs decreased the series resistance and increased the photocurrent of the devices. In devices with PS-AgNP at a concentration of 0.57 nM, the power conversion efficiency was 32% higher than the devices without the PS-AgNPs. Without the polystyrene functionalization, however, the AgNPs severely deteriorated the performance of the OPV devices regardless of the nanoparticle concentration.

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Reliable stellar abundances of individual stars with the MUSE integral-field spectrograph

Wang

Hayden

Sharma

et al. 2022

Monthly Notices of the Royal Astronomical Society

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We present a novel approach to deriving stellar labels for stars observed in MUSE fields making use of data-driven machine learning methods. Taking advantage of the comparable spectral properties (resolution, wavelength coverage) of the LAMOST and MUSE instruments, we adopt the Data-Driven Payne (DD-Payne) model used on LAMOST observations and apply it to stars observed in MUSE fields. Remarkably, in spite of instrumental differences, according to the cross-validation of 27 LAMOST-MUSE common stars, we are able to determine stellar labels with precision better than 75K in Teff, 0.15 dex in log g, and 0.1 dex in abundances of [Fe/H], [Mg/Fe], [Si/Fe], [Ti/Fe], [C/Fe], [Ni/Fe] and [Cr/Fe] for current MUSE observations over a parameter range of 3800 < Teff < 7000 K, −1.5 < [Fe/H] < 0.5 dex. To date, MUSE has been used to target 13,000 fields across the southern sky since it was first commissioned six years ago and it is unique in its ability to study dense star fields such as globular clusters or the Milky Way bulge. Our method will enable the automated determination of stellar parameters for all stars in these fields. Additionally, it opens the door for applications to data collected by other spectrographs having resolution similar to LAMOST. With the upcoming BlueMUSE and MAVIS, we will gain access to a whole new range of chemical abundances with higher precision, especially critical s-process elements such as [Y/Fe] and [Ba/Fe] that provide key age diagnostics for stellar targets.

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Three Dimensional Solar Cells Based on Optical Confinement Geometries

Cited by 6 publications

References 0 publications

Semitransparent Organic Solar Cells with Homogeneous Transmission and Colorful Reflection Enabled by an ITO‐Free Microcavity Architecture

Semitransparent Organic Solar Cells with Homogeneous Transmission and Colorful Reflection Enabled by an ITO‐Free Microcavity Architecture

Critical Role of Polystyrene Layer on Plasmonic Silver Nanoplates in Organic Photovoltaics

Reliable stellar abundances of individual stars with the MUSE integral-field spectrograph

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