More stable hybrid organic solar cells deposited on amorphous Si electron transfer layer

Mehran Samiee; Brian Modtland; Damir Aidarkhanov; Vikram L. Dalal

doi:10.1063/1.4878405

More stable hybrid organic solar cells deposited on amorphous Si electron transfer layer

Mehran Samiee, Brian Modtland, Damir Aidarkhanov, Vikram L. Dalal

Laboratory of Advanced Solar Energy Materials and Systems

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

We report on defect densities, performance, and stability of organic/inorganic hybrid solar cells produced using n-doped inorganic amorphous silicon-carbide layers as the electron transport layer (ETL). The organic material was poly-3-hexyl-thiophene (P3HT) and heterojunction was formed using phenyl-C₇₁-Butyric-Acid-Methyl Ester (PCBM). For comparison, inverted solar cells fabricated using Cs₂CO₃ as ETL were fabricated. Defect densities and subgap quantum efficiency curves were found to be nearly identical for both types of cells. The cells were subjected to 2xsun illumination and it was found that the cells produced using doped a-Si as ETL were much more stable than the cells produced using Cs₂CO ₃.

Original language	English
Article number	213909
Journal	Applied Physics Letters
Volume	104
Issue number	21
DOIs	https://doi.org/10.1063/1.4878405
Publication status	Published - May 26 2014

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4878405

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abstract = "We report on defect densities, performance, and stability of organic/inorganic hybrid solar cells produced using n-doped inorganic amorphous silicon-carbide layers as the electron transport layer (ETL). The organic material was poly-3-hexyl-thiophene (P3HT) and heterojunction was formed using phenyl-C71-Butyric-Acid-Methyl Ester (PCBM). For comparison, inverted solar cells fabricated using Cs2CO3 as ETL were fabricated. Defect densities and subgap quantum efficiency curves were found to be nearly identical for both types of cells. The cells were subjected to 2xsun illumination and it was found that the cells produced using doped a-Si as ETL were much more stable than the cells produced using Cs2CO 3.",

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AU - Modtland, Brian

AU - Aidarkhanov, Damir

AU - Dalal, Vikram L.

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AB - We report on defect densities, performance, and stability of organic/inorganic hybrid solar cells produced using n-doped inorganic amorphous silicon-carbide layers as the electron transport layer (ETL). The organic material was poly-3-hexyl-thiophene (P3HT) and heterojunction was formed using phenyl-C71-Butyric-Acid-Methyl Ester (PCBM). For comparison, inverted solar cells fabricated using Cs2CO3 as ETL were fabricated. Defect densities and subgap quantum efficiency curves were found to be nearly identical for both types of cells. The cells were subjected to 2xsun illumination and it was found that the cells produced using doped a-Si as ETL were much more stable than the cells produced using Cs2CO 3.

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