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Cited by 592

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Narrowband light detection via internal quantum efficiency manipulation of organic photodiodes

Open access
Armin, Ardalan, Jansen-van Vuuren, Ross D., Kopidakis, Nikos, Burn, Paul L., Meredith, Paul·2015·Nature Communications

Abstract

Spectrally selective light detection is vital for full-colour and near-infrared (NIR) imaging and machine vision. This is not possible with traditional broadband-absorbing inorganic semiconductors without input filtering, and is yet to be achieved for narrowband absorbing organic semiconductors. We demonstrate the first sub-100 nm full-width-at-half-maximum visible-blind red and NIR photodetectors with state-of-the-art performance across critical response metrics. These devices are based on organic photodiodes with optically thick junctions. Paradoxically, we use broadband-absorbing organic semiconductors and utilize the electro-optical properties of the junction to create the narrowest NIR-band photoresponses yet demonstrated. In this context, these photodiodes outperform the encumbent technology (input filtered inorganic semiconductor diodes) and emerging technologies such as narrow absorber organic semiconductors or quantum nanocrystals. The design concept allows for response tuning and is generic for other spectral windows. Furthermore, it is material-agnostic and applicable to other disordered and polycrystalline semiconductors. There is a growing interest in the development of narrowband photodiodes for full-color imaging and visible-blind near-infrared detection. Armin et al.show a sub-100 nm response by tuning the spectral bandwidth through regulating the charge collection efficiency in a thick organic bulk heterojunction.

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Metadata

Authors
Armin, A., Jansen-van Vuuren, R. D., Kopidakis, N., Burn, P. L., & Meredith, P.
Venue
Nature Communications
Published
2015-02-27
Volume
6
Issue
1
Pages
6343-6343
ISSN
2041-1723 (ISSN-L)
OpenAlex
W1977380830
Cited by
592
References
37
FWCI
19.89
Type
journal article
Language
en
Open access
gold

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