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Solar charging and luminescence

The interfacial defect states between the active layer and the charge transport layer in perovskite solar cells (PSCs) are one of the main channels of energy loss, which can result in carrier recombination loss and then limit the efficiency and stability of devices. In this study, the luminescent organic sma

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Enhanced performance of perovskite solar cells by the incorporation of the luminescent …

The interfacial defect states between the active layer and the charge transport layer in perovskite solar cells (PSCs) are one of the main channels of energy loss, which can result in carrier recombination loss and then limit the efficiency and stability of devices. In this study, the luminescent organic sma

Simplified method for the conversion of luminescence signals from silicon wafers and solar …

Fig. 5 shows the calculated RMSE for calibration cells with different p (p calib) as a function of the cut-off wavelength (λ 2) for the two types of cameras nsistent with Fig. 4, in the case of the InGaAs camera, the RMSE increases noticeably as the cut-off wavelength increases (for the range above 1,100 nm). ...

Solar reflective coatings with luminescence and self-cleaning function

Higher solar reflectivity is helpful to reduce the solar absorption, especially the absorption of near-infrared light, so cooling performance is positively correlated with solar reflectivity. [21] On the other hand, compared with coating S2, coating S4 not only has high solar reflectance, but also can emit fluorescence.

Thin-Film Luminescent Solar Concentrator Based on …

Luminescent solar concentrators (LSCs) provide a transformative approach to integrating photovoltaics into a built environment. In this paper, we report thin-film LSCs composed of intramolecular …

Perovskite luminescent solar concentrators for photovoltaics

As large-area photon collection devices designed for photovoltaics, luminescent solar concentrators (LSCs) have been proposed for more than 40 years. In recent In the past 40 years, various luminophores have been introduced into LSCs such as carbon dots (CDs), 17 organic dyes, 18,19 nanocrystals (NCs), 20,21 and rare earth ions. …

Luminescent Solar Concentrators for Greenhouse Applications …

3 · Carbon quantum dots (CQDs) are promising luminophores for luminescent solar concentrators (LSCs) in transparent photovoltaic greenhouse covers due to their high …

Localization of defects in solar cells using luminescence images …

Defect detection is a critical aspect of assuring the quality and reliability of silicon solar cells and modules. Luminescence imaging has been widely adopted as a fast method for analyzing photovoltaic devices and detecting faults. However, visual inspection of luminescence images is too slow for the expected manufacturing throughput. In this …

A highly efficient and transparent luminescent solar concentrator …

A highly efficient and transparent luminescent solar concentrator based on a nanosized metal cluster luminophore anchored on polymers † Jun Choi, a Dieu Nguyen, a Eunbyeol Gi, a Konstantin A. Brylev, b Ji Woong Yu, c, ...

Thin-Film Luminescent Solar Concentrator Based on Intramolecular Charge Transfer Fluorophore and Effect of Polymer Matrix on Device ...

Luminescent solar concentrators (LSCs) provide a transformative approach to integrating photovoltaics into a built environment. In this paper, we report thin-film LSCs composed of intramolecular charge transfer fluorophore (DACT-II) and discuss the effect of two polymers, polymethyl methacrylate (PM …

Perovskite/Silicon Tandem Solar Cells: Effect of Luminescent Coupling and Bifaciality

Herein, the energy output of perovskite/silicon tandem solar cells in monofacial and bifacial operation is calculated, for the first time considering luminescent coupling (LC) between two sub-cells. For energy yield calculations, idealized solar cells are studied at both standard testing as well as realistic weather conditions in combination with …

Solar-absorbing energy storage materials demonstrating superior solar-thermal conversion and solar-persistent luminescence …

Solar-absorbing energy storage materials are applied in building energy conservation. • Solar-absorbing energy storage materials possess a high solar absorbance of 91.93%. • Solar-absorbing energy storage materials present a high latent heat of …

Photoluminescence‐Based Characterization of Halide Perovskites for Photovoltaics …

1 Introduction Halide perovskite solar cells have reached power conversion efficiencies exceeding 25%, that is, more than any other thin-film technology except for GaAs. [] A key to achieve this has been the ability to use relatively simple processing technologies [2, 3] based mostly on solution chemistry to fabricate thin layers of halide-perovskite absorbers …

Increasing the power output of a CdTe solar cell via …

A series of tetraphenylethylene (TPE) based luminescent downing-shifting (LDS) molecules was synthesized based on a new design strategy for electron donor–acceptor conjugated fluorophores, in which TPE was …

Photon shifting and trapping in perovskite solar cells for improved ...

4 · Combining a simple (yet powerful) light-trapping structure with a luminescent down-shifting material (t-U (500)/Eu3 + ) allows remarkable efficiency enhancement …

Perovskite luminescent solar concentrators for …

Tools. As large-area photon collection devices designed for photovoltaics, luminescent solar concentrators (LSCs) have been proposed for more than 40 years. In recent years, the perovskite-based …

Improving the efficiency of silicon solar cells using in situ fabricated perovskite quantum dots as luminescence downshifting materials

Abstract Luminescence downshifting (LDS) layer integration has been proven to be an efficient way to ameliorate the poor UV-blue spectral response and improve the power conversion efficiency (PCE) for solar cells (SCs). By employing an in situ fabricated CH 3 NH 3 PbBr 3 (CH 3 NH 3 = methylammonium, MAPbBr 3) quantum dot/polyacrylonitrile …

Fabricating a scattering–fluorescent luminescent solar concentrator synchronously to achieve broad-spectrum solar …

Light pollution caused by the reflected light of buildings poses a growing threat to the global environment and human health. Currently, the common luminescent solar concentrator (LSC), as an important transparent photovoltaic component for building-integrated photovoltaics (BIPV), is unable to reduce light

Can luminescence imaging replace lock-in thermography on solar …

Since 15 years lock-in thermography (LIT) is used to investigate solar cells and modules. While LIT was used at the beginning only for shunt detection, meanwhile special LIT-techniques have been developed to image the minority carrier lifetime, also on wafers, the monochromatic cell efficiency, the local series resistance, the ideality factor, or the …

Tandem luminescent solar concentrators based on engineered quantum dots

Luminescent solar concentrators (LSCs) can serve as large-area sunlight collectors for terrestrial and space-based ... and CuInS 2 nanocrystals: charge-transfer configurations and self-trapped ...

Modulation of intramolecular charge transfer in D-A functionalized pyrrolopyrazine and their application in luminescent solar …

Luminescent solar concentrators (LSCs) offer a huge potential for electricity generation due to their ability to harvest direct and diffused light. Among numerous fluorophores for LSCs, carbon quantum dots (C-QDs) are promising candidates due to …

Luminescent paint: how it works and how to use it

Luminescent paint: how it works and how to use it

A highly transparent and efficient luminescent solar concentrator …

A luminescent solar concentrator (LSC) is a photovoltaic (PV) device that uses luminophores embedded in waveguides to absorb and concentrate emitted solar …

Photoluminescence‐Based Characterization of Halide …

1 Introduction. Halide perovskite solar cells have reached power conversion efficiencies exceeding 25%, that is, more than any other thin-film technology except for GaAs. [] A key to achieve this has been the ability to use …

Inorganic–organic modular silicon and dye-sensitized solar cells …

Photographs and I–V characteristics of investigated solar cells: (a) DSSC with photosensitive field dimensions of 91 mm × 91 mm, (b) an amorphous silicon cell on …

Luminescent Solar Concentrators from Food Substances: A Safe …

Safe and visually appealing experiments can help the general public, even from a young age, to better understand the fundamental role of chemistry and materials in the energy transition and our everyday lives. Luminescent solar concentrators (LSCs) are efficient devices for harvesting sunlight based on the fluorescent compounds'' …

A simulation study on the bias and wavelength dependence of luminescent coupling in top-limited multi-junction solar …

Abstract. Luminescent coupling in a top-limited multi-junction solar cell was investigated by employing a 3D circuit model and semiconductor physics. The c Compared with the 2D circuit model [5, 6], the 3D circuit model has always been time-consuming and memory-exhausting but is more precise [] and efficient in dealing with non …

Wavelength-selective solar photovoltaic systems to enhance …

3 · The luminescent material in the substrate spectrally redirects incident light to the edges to be collected by the solar cell through photoluminescence. In wavelength …

A highly efficient and transparent luminescent solar concentrator …

Maintenance work is planned from 22:00 BST on Monday 16th September 2024 to 22:00 BST on Tuesday 17th September 2024. During this time the performance of our website may be affected - searches may run slowly, some pages may be temporarily ...

Inorganic–organic modular silicon and dye-sensitized solar cells …

This paper is devoted to the systematic experimental and theoretical studies of a modular solar charger based on silicon and dye-sensitized solar cells as an energy source, and supercapacitor as ...

Quantitative Luminescence Characterization of Crystalline Silicon Solar …

This equation basically depends on the minority charge carrier profile within the solar cell''s base and a luminescence photon detection profile. For excitation conditions such as EL, PL at an applied voltage (PL-wp), PL at …

A critical analysis of luminescent solar concentrator terminology …

Recent efforts to synchronise laboratory protocols for measuring luminescent solar concentrator (LSC) efficiencies, and to use consistent terminology, has been driven by a prior lack of consensus on both terminology and the reporting of experimental results. This ...

The Role of Luminescent Coupling in Monolithic …

Abstract Luminescent coupling (LC) is a key phenomenon in monolithic tandem solar cells. ... part of the current mismatch can be compensated by the additional …

The 6 Best Portable Solar Chargers of 2024 | Tested

The 5 Best Portable Solar Chargers of 2024 | Tested