Charge Transport and Photovoltaic Properties of Conjugated Polymer PTB7:PC71BM Based Solar Cells

Ali, B. Ait; Moubah, R.; Boulezhar, Abdelkader; Shi, Shengwei; Lassri, H.

doi:10.1007/s42341-020-00198-9

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Current-voltage Characteristics As a Function Of Temperature1

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2020

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“…The J-V curve exhibits the features of PTB7:PC 71 BMbased solar cells. [16,17] The dark and light J-V curves recorded at various temperatures are displayed in Fig 2 . It is found that the density of current in light is greater than that in the dark, which is related to the increase of the excitons created by light.…”

Section: Current-voltage Characteristics As a Function Of Temperaturementioning

confidence: 99%

Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells

et al. 2020

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We report on the temperature-dependent Schottky barrier in organic solar cells based on PTB7:PC71BM. The ideality factor is found to increase with temperature decreasing, which is explained by a model in which the solar cell is taken as Schottky barrier diode. Accordingly, the dark current in the device originates from the thermally emitted electrons across the Schottky barrier. The fittings obtained with the thermal emission theory are systematically studied at different temperatures. It is concluded that the blend/Ca/Al interface presents great inhomogeneity, which can be described by 2 sets of Gaussian distributions with large zero bias standard deviations. With the decrease of temperature, electrons favor going across the Schottky barrier patches with lower barrier height and as a consequence the ideally factor significantly increases at low temperature.

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Section: Current-voltage Characteristics As a Function Of Temperaturementioning

confidence: 99%

Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells

et al. 2020

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Charge Transport and Photovoltaic Properties of Conjugated Polymer PTB7:PC71BM Based Solar Cells

Cited by 1 publication

References 29 publications

Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells

Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells

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Charge Transport and Photovoltaic Properties of Conjugated Polymer PTB7:PC71BM Based Solar Cells

Cited by 1 publication

References 29 publications

Temperature-dependent barrier height inhomogeneities in PTB7:PC71BM-based organic solar cells

Temperature-dependent barrier height inhomogeneities in PTB7:PC71BM-based organic solar cells

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Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells

Temperature-dependent barrier height inhomogeneities in PTB7:PC₇₁BM-based organic solar cells