Indoor stability tests on CdS/CdTe/ZnTe n-i-p submodules

Ramanathan, Vidya; Russell, L.; Liu, C.H.; Meyers, Peter V.

doi:10.1016/0379-6787(90)90046-8

Cited by 13 publications

(4 citation statements)

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“… 83 However, a relatively small amount of public data indicates that CdTe-based IPVs are only 10.9% efficient under CFL lighting conditions, which is not enough to advance the CdTe-based IPVs. 84 Analogously, Cu 2 ZnSn(S,Se) 4 (CZTSSe) thin film cells also have efficiencies approaching 10% under CFL and AM1.5G spectra. 85 Among the existing IPVs, GaAs based solar cells are extremely competitive, and their efficiency exceeds 20% on the flexible substrates under low light indoor sources.…”

Section: Perspective Of Indoor Photovoltaicsmentioning

confidence: 99%

Perovskite indoor photovoltaics: opportunity and challenges

et al. 2021

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Section: Perspective Of Indoor Photovoltaicsmentioning

confidence: 99%

Perovskite indoor photovoltaics: opportunity and challenges

et al. 2021

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“…Less information can be found in the literature about the short‐term (seconds to hours) LS behavior of CdTe. In fact only a few references exist related to this issue and the results lead to different conclusions 15, 22. Most LS tests on these devices refer to long‐term exposition to light 23, 24 – showing the strong influence of bias conditions – or have been performed as stress test with the objective to investigate their temporal stability, sometimes affected by problems related to the stability of the back contact 25.…”

Section: Source Of Measurements Errorsmentioning

confidence: 99%

Comparison of indoor and outdoor performance measurements of recent commercially available solar modules

Virtuani

Müllejans

Dunlop

2010

Progress in Photovoltaics

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The strong growth of the PV market is accompanied by an increasing number of ''new'' PV technologies and concepts now mature for commercialization. A correct calibration of these devices is in some cases very difficult, because indoor and outdoor performance measurements often lead to different results. In this paper we compare the indoor and outdoor performance measurements of a set of recent commercially available PV modules (conventional and high-efficiency c-Si, single-, double-, and triple-junction thin film (TF) technologies) and we observe that the maximum power P max of some devices measured indoors using our large area pulsed solar simulator is usually lower than the power measured outdoors under natural sunlight. The major effects which lead to these discrepancies are identified, as follows: (a) spectral mismatch errors, very significant for CdTe, and all a-Si TF technologies; (b) measurement-related sweep-time effects, which seem to strongly influence the performance of high efficiency c-Si devices and to a lesser extend of all a-Si TF technologies; and (c) short-time light-soaking effects, which influence the performance of CIS and to a lesser extent CdTe.

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“…Using our standard sample stage, and a high-efficiency particulate air (HEPA) filter vacuum system placed near the sample to collect scribing debris, we have scribed a variety of materials using parameters closely following those in the literature. [11][12][13][14] The 0.085 cm 2 cells shown in Figure 5(a) were prepared by scribing a single 25 mm × 25 mm solar cell using the frequency doubled Nd:YAG (532 nm) laser. The scribing parameters were the following: beam translation speed on sample was 500 mm/s; the average power was 700 mW; the beam size was ∼40 µm; the laser repetition frequency was 20 kHz; and the peak pulse power was 5.5 kW.…”

Section: Scribingmentioning

confidence: 99%

High speed, intermediate resolution, large area laser beam induced current imaging and laser scribing system for photovoltaic devices and modules

Phillips

Song

DeWitt

et al. 2016

Review of Scientific Instruments

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We have developed a laser beam induced current imaging tool for photovoltaic devices and modules that utilizes diode pumped Q-switched lasers. Power densities on the order of one sun (100 mW/cm) can be produced in a ∼40 μm spot size by operating the lasers at low diode current and high repetition rate. Using galvanostatically controlled mirrors in an overhead configuration and high speed data acquisition, large areas can be scanned in short times. As the beam is rastered, focus is maintained on a flat plane with an electronically controlled lens that is positioned in a coordinated fashion with the movements of the mirrors. The system can also be used in a scribing mode by increasing the diode current and decreasing the repetition rate. In either mode, the instrument can accommodate samples ranging in size from laboratory scale (few cm) to full modules (1 m). Customized LabVIEW programs were developed to control the components and acquire, display, and manipulate the data in imaging mode.

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Indoor stability tests on CdS/CdTe/ZnTe n-i-p submodules

Cited by 13 publications

References 1 publication

Perovskite indoor photovoltaics: opportunity and challenges

Perovskite indoor photovoltaics: opportunity and challenges

Comparison of indoor and outdoor performance measurements of recent commercially available solar modules

High speed, intermediate resolution, large area laser beam induced current imaging and laser scribing system for photovoltaic devices and modules

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