Novel fast color-converter for visible light communication using a blend of conjugated polymers
Journal article
Sajjad, T, Manousiadis, Pavlos P, Chun, Hyunchae, Vithanage, Dimali A, Rajbhandari, Sujan, Kanibolotsky, Alexander L, Faulkner, Grahame, O’Brien, Dominic, Skabara, Peter J and Samuel, Ifor DW (2015). Novel fast color-converter for visible light communication using a blend of conjugated polymers. Acs Photonics. 2 (2), pp. 194-199. https://doi.org/10.1021/ph500451y
| Authors | Sajjad, T, Manousiadis, Pavlos P, Chun, Hyunchae, Vithanage, Dimali A, Rajbhandari, Sujan, Kanibolotsky, Alexander L, Faulkner, Grahame, O’Brien, Dominic, Skabara, Peter J and Samuel, Ifor DW |
|---|---|
| Abstract | Visible Light Communications (VLC) is a promising new technology which could offer higher data transmission rates than existing broadband RF/microwave wireless technologies. In this paper, we show that a blend of semiconducting polymers can be used to make a broadband, balanced color converter with a very high modulation bandwidth to replace commercial phosphors in hybrid LEDs for visible light communications. The resulting color converter exploits partial Förster energy transfer in a blend of the highly fluorescent green emitter BBEHP-PPV and orange-red emitting MEH-PPV. We quantify the efficiency of the photoinduced energy transfer from BBEHP-PPV to MEH-PPV, and demonstrate modulation bandwidths (electrical-electrical) of ∼200 MHz, which are 40 times higher than commercially available phosphor LEDs. Furthermore, the VLC data rate achieved with this blend using On–Off Keying (OOK) is many times (∼35) higher than that measured with a commercially available phosphor color converter. |
| Year | 2015 |
| Journal | Acs Photonics |
| Journal citation | 2 (2), pp. 194-199 |
| Publisher | American Chemical Society (ACS) |
| ISSN | 2330-4022 |
| Digital Object Identifier (DOI) | https://doi.org/10.1021/ph500451y |
| Publication dates | |
| 18 Feb 2015 | |
| Online | 03 Feb 2015 |
| Publication process dates | |
| Accepted | 30 Nov 2014 |
| Deposited | 12 Feb 2020 |
| Accepted author manuscript | License File Access Level Open |
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| Sajjad_etal_ACS_Photonics_2015_Novel_fast_color_converter_for_visible_light_communication.pdf | ||
| License: CC BY-NC 4.0 | ||
| File access level: Open | ||
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