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Title: Oxygen-terminated nanocrystalline diamond film as an efficient anode in photovoltaics
Authors: Lim, C.H.Y.X.
Zhong, Y.L.
Janssens, S.
Nesladek, M.
Loh, K.P. 
Issue Date: 23-Apr-2010
Citation: Lim, C.H.Y.X., Zhong, Y.L., Janssens, S., Nesladek, M., Loh, K.P. (2010-04-23). Oxygen-terminated nanocrystalline diamond film as an efficient anode in photovoltaics. Advanced Functional Materials 20 (8) : 1313-1318. ScholarBank@NUS Repository.
Abstract: The potential of using p-doped nanocrystalline diamond as the anode for organic solar cells, because of its outstanding photostability and wellmatched energetics with organic dyes, is demonstrated. The interface dipole and open-circuit potential can be tuned by varying the surface termination on diamond. Oxygenated nanocrystalline diamond {O-NCD) exhibits the best photocurrent conversion among all the surface-treated electrodes studied in this work because of its large open-circuit potential. The good energy alignment of the valence band of O-NCD with the HOMO of poly(3hexylthiophene), as well as its p-doped characteristics, suggest that O-NCD can replace the hole transport layer, such as PEDOT:PSS, needed for efficient performance on indium tin oxide (ITO) electrodes. If the sheet resistance and optical transparency on NCD can be further optimized, chemical-vapordeposited diamond electrodes may offer a viable alternative to ITO and fluorinated tin oxide (FTO). © 2010 WILEY-VCH Verlag GmbH & Co. KGaA.
Source Title: Advanced Functional Materials
ISSN: 1616301X
DOI: 10.1002/adfm.200902204
Appears in Collections:Staff Publications

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