Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/105155
Title: Electron transport limitation in P3HT : CdSe nanorods hybrid solar cells
Authors: Lek, Jun Yan
Xing, Guichuan
Sum, Tze Chien
Lam, Yeng Ming
Keywords: DRNTU::Science::Chemistry::Inorganic chemistry
Issue Date: 2014
Source: Lek, J. Y., Xing, G., Sum, T. C., & Lam, Y. M. (2014). Electron Transport Limitation in P3HT:CdSe Nanorods Hybrid Solar Cells. ACS Applied Materials & Interfaces, 6(2), 894-902.
Series/Report no.: ACS applied materials & interfaces
Abstract: Hybrid solar cells have the potential to be efficient solar-energy-harvesting devices that can combine the benefits of solution-processable organic materials and the extended absorption offered by inorganic materials. In this work, an understanding of the factors limiting the performance of hybrid solar cells is explored. Through photovoltaic-device characterization correlated with transient absorption spectroscopy measurements, it was found that the interfacial charge transfer between the organic (P3HT) and inorganic (CdSe nanorods) components is not the factor limiting the performance of these solar cells. The insulating original ligands retard the charge recombination between the charge-transfer states across the CdSe–P3HT interface, and this is actually beneficial for charge collection. These cells are, in fact, limited by the subsequent electron collection via CdSe nanoparticles to the electrodes. Hence, the design of a more continuous electron-transport pathway should greatly improve the performance of hybrid solar cells in the future.
URI: https://hdl.handle.net/10356/105155
http://hdl.handle.net/10220/20436
DOI: 10.1021/am4041515
Rights: © 2013 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by ACS Applied Materials & Interfaces, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1021/am4041515].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles
SPMS Journal Articles

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