Reply to Comment on “Enhanced Charge Selectivity via Anodic-C<sub>60</sub> Layer Reduces Nonradiative Losses in Organic Solar Cells”

Pranav, Manasi; Benduhn, Johannes; Nyman, Mathias; Hosseini, Seyed Mehrdad; Kublitski, Jonas; Shoaee, Safa; Neher, Dieter; Leo, Karl; Spoltore, Donato

doi:10.1021/acsami.1c15450

Cited by 2 publications

(1 citation statement)

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“…The role of V bi in the selective extraction of charges in organic and perovskite solar cells has been a recurring topic in the literature. [6,7,11,[26][27][28] Our results indicate that hole transporting layers with a high conductivity do not block electrons when V appl > V bi . This shows that in devices with charge transporting layers, the operating voltage should be below V bi to avoid interface recombination, i.e., increasing V bi could make it possible to shift the maximum power point toward higher voltages.…”

Section: Charge Carrier Distribution-the Role Of Built-in Voltagementioning

confidence: 99%

Highly Conductive Charge Transport Layers Impair Charge Extraction Selectivity in Thin‐Film Solar Cells

Nyman

Ahläng

Dahlström

et al. 2023

Adv Energy and Sustain Res

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In thin‐film photovoltaics, such as organic and perovskite solar cells, charge extraction selectivity is crucial. In order to improve selectivity, charge transporting layers (doped and undoped) are frequently used; however, it is not well understood how a charge transporting layer should be designed in order to ensure efficient extraction of majority carriers while blocking minority carriers. This study clarifies how well charge transporting layers with varying majority carrier conductivities block minority carriers. The charge extraction by a linearly increasing voltage technique is used to determine the surface recombination velocity of minority carriers in model system devices with varying majority carrier conductivity in the transporting layer. The results show that transporting layers with high conductivity for majority carriers do not block minority carriers—at least not at operating voltages close to or above the built‐in voltage, due to direct bimolecular recombination across the transporting layer–absorber layer interface. Design principles are furthermore discussed and proposed to achieve selective charge extraction in thin‐film solar cells using charge transporting layers.

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Section: Charge Carrier Distribution-the Role Of Built-in Voltagementioning

confidence: 99%

Highly Conductive Charge Transport Layers Impair Charge Extraction Selectivity in Thin‐Film Solar Cells

Nyman

Ahläng

Dahlström

et al. 2023

Adv Energy and Sustain Res

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Comparison and Analysis of the third generation of the solar cells

Shao¹

2022

HSET

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Since the current energy crisis, the efficiency of using solar cell energy has become increasingly important. In order to get a high efficiency, new kinds of solar cells would be needed, which called the third generation of solar cells. This paper review three kinds of solar cells, including the perovskite solar cells, the quantum dots solar cells and the organic solar cells. Firstly, the structure of perovskite solar cells is composed of a FTO conducting glass, a TiO2 blocking layer, a TiO2 mesoporous layer, a perovskite layer, a HTM (Hole Transport Material) layer, and mental electrode. Then, I sum up the manufacture and the development of the perovskite solar cells. Secondly, this paper analysis the structure, manufacture, and development of quantum dots solar cells. The structure of quantum dots solar cells includes the transparent conducting oxide, wide bandgap oxide semiconductor film, quantum dot sensitizer, electrolyte, and counter electrode. The third one is the organic solar cells. The structure of the organic solar cells includes layer, cathode, anode, and transparent substrate. Finally, this paper reviews the merits and defects of each solar cells.

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Reply to Comment on “Enhanced Charge Selectivity via Anodic-C₆₀ Layer Reduces Nonradiative Losses in Organic Solar Cells”

Cited by 2 publications

References 14 publications

Highly Conductive Charge Transport Layers Impair Charge Extraction Selectivity in Thin‐Film Solar Cells

Highly Conductive Charge Transport Layers Impair Charge Extraction Selectivity in Thin‐Film Solar Cells

Comparison and Analysis of the third generation of the solar cells

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Reply to Comment on “Enhanced Charge Selectivity via Anodic-C60 Layer Reduces Nonradiative Losses in Organic Solar Cells”

Cited by 2 publications

References 14 publications

Highly Conductive Charge Transport Layers Impair Charge Extraction Selectivity in Thin‐Film Solar Cells

Highly Conductive Charge Transport Layers Impair Charge Extraction Selectivity in Thin‐Film Solar Cells

Comparison and Analysis of the third generation of the solar cells

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Reply to Comment on “Enhanced Charge Selectivity via Anodic-C₆₀ Layer Reduces Nonradiative Losses in Organic Solar Cells”