A Proposal for Typical Artificial Light Sources for the Characterization of Indoor Photovoltaic Applications

Minnaert, Ben; Veelaert, Peter

doi:10.3390/en7031500

Cited by 144 publications

(54 citation statements)

References 39 publications

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“…Therefore, standardization of both light sources with defined spectra and measurement procedure for indoor applications should be needed. 3,10,12) Especially, let us mention the importance of the measurement because not only watt but also lx is used for indoor light evaluation. It is not easy to measure both watt and lx of the indoor light source with high accuracy.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the organic solar cell characteristics for indoor LED light applications

Mori

Gotanda

Nakano

et al. 2015

Jpn. J. Appl. Phys.

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We report an experimental study on the current-voltage characteristics of organic solar cells (OSCs) under indoor light illumination. A daylight color light-emitting diode (LED) was used as the indoor light source. We investigated the short circuit current density, open circuit voltage, and fill factor of the OSC under LED irradiation and compared them with those for a crystal silicon solar cell (c-Si-SC), which occupy a large part of the solar cell market. We found that compared with the c-Si-SC, the OSC had higher power conversion efficiency (PCE). We also derived the maximum feasible PCE of an OSC for indoor applications and calculated that a PCE value of 21.3% could be obtained under daylight color LED illumination at approximately 200 lx. From the results of the calculation, it became apparent that the open circuit voltage plays an important role in achieving a high PCE from OSCs, indicating they are promising as electrical energy harvesting module for indoor applications.

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Section: Introductionmentioning

confidence: 99%

Investigation of the organic solar cell characteristics for indoor LED light applications

Mori

Gotanda

Nakano

et al. 2015

Jpn. J. Appl. Phys.

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“…The luminous intensity of lighting systems within a building is designed or adjusted to fulfill an acceptable level for the occupants; the illumination level is commonly determined in lux [10]. So, during the present study the (I-V) and (C-V) characterization of mono-crystalline Si solar cells for indoor applications, we consider the incandescent lamp, cool white fluorescent lamp, and a typical cool LED lamp [11]. As well, we compare our results with the AM 1.5G spectrum (the outdoor standard spectrum) as reference [12].…”

Section: Electrical Illumination Sourcesmentioning

confidence: 99%

Performance Dependence of (I-V) and (C-V) for Solar Cells on Environmental Conditions

El-Maksood

2018

JAP

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The present paper is a trial to shed further light on the dependence performance of mono-crystalline silicon solar cell (photovoltaic cell) on the environmental conditions. In this concern, the static (I-V) and dynamic (C-V) characteristics measurement were studied in details under the effect of illumination type, intensity and wavelength, as well temperature on the physical and electrical parameters of solar cell. The dependence of cell parameters- extracted from (I-V) characteristic curves- open-circuit voltage (Voc), short-circuit current (Isc), fill-factor (FF), conversion efficiency (Î·) as well the series -and shunt-resistances (Rs and Rsh), on the intensity has been investigated for a wide illumination intensity range 1.0 - 70 mW/cm2. It was observed that, for illumination levels higher than 10 klux, the values of Voc, Rsh, FF and efficiency were shown to be saturated. Isc was shown to be increased linearly, while Rs decreased exponentially as a function of illumination level. On the other hand, considering the dynamic characteristics (C-V), a detailed study was carried out for solar cells biased on both the forward - and reverse modes at frequency range of 20 kHz - 140 kHz and different illumination - levels. From which, the barrier potential (Vbi) and doping (charge carrier) concentration (Na) were determined. Besides, the influence of temperature within the range from 30 up to 110 oC on both the static and dynamic characteristics was tested. From which, it is clear that Voc, maximum powers (Pmax), FF, Î· of the sample were shown to be temperature decreasing functions. Moreover, Isc has a feeble increasing temperature coefficient. Finally, the solar cell capacitance (C) and dissipation factor (D) rise with rising temperature in both bias voltage conditions, while, impedance (Z), quality factor (Q), and phase angle (Ï†) reduce with rising temperature.

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“…Among these technologies, photovoltaic energy has great promise because of its high energy density and relatively high output voltage . In particular, several emerging photovoltaic technologies, including organic photovoltaics (OPVs), dye‐sensitized solar cells (DSSCs) and organic/inorganic hybrid perovskite solar cells, might become efficient energy sources for harvesting low‐level lighting. In 2015, Mori et al studied the performance of OPV devices under irradiation with light‐emitting diodes (LEDs) and compared the device parameters with those of crystal silicon solar cells.…”

Section: Introductionmentioning

confidence: 99%

Toward High‐Performance Polymer Photovoltaic Devices for Low‐Power Indoor Applications

et al. 2017

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This article describes the performance of organic photovoltaic (OPV) devices, incorporating three different polymer/fullerene derivative blends, under low‐level lighting conditions. The devices exhibit much higher power conversion efficiencies (PCEs) under indoor lighting conditions than they do under sunlight. The best‐performing device is capable of delivering a power output of 22.57 μW cm−2, corresponding to a PCE of 13.76%, under illumination with indoor lighting conditions at 500 lux. Increasing the open‐circuit voltage (Voc) of the OPV devices is the most critical factor for achieving high device performance for low‐power indoor applications. Therefore, the device power output will be maximized if we could obtain a larger energy difference between the highest occupied molecular orbital of the polymer donor and the lowest unoccupied molecular orbital of the electron acceptor, thereby ensuring a high value of Voc.

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A Proposal for Typical Artificial Light Sources for the Characterization of Indoor Photovoltaic Applications

Cited by 144 publications

References 39 publications

Investigation of the organic solar cell characteristics for indoor LED light applications

Investigation of the organic solar cell characteristics for indoor LED light applications

Performance Dependence of (I-V) and (C-V) for Solar Cells on Environmental Conditions

Toward High‐Performance Polymer Photovoltaic Devices for Low‐Power Indoor Applications

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