Sivan, Aswathi K. and Galán-González, Alejandro and Di Mario, Lorenzo and Tappy, Nicolas and Hernández-Ferrer, Javier and Catone, Daniele and Turchini, Stefano and Benito, Ana M. and Maser, Wolfgang K. and Steinvall, Simon Escobar and Fontcuberta i Morral, Anna and Gallant, Andrew and Zeze, Dagou A. and Atkinson, Del and Martelli, Faustino (2021) 'Optical properties and carrier dynamics in Co-doped ZnO nanorods.', Nanoscale Advances, 3 (1). pp. 214-222.
Abstract
The controlled modification of the electronic properties of ZnO nanorods via transition metal doping is reported. A series of ZnO nanorods were synthesized by chemical bath growth with varying Co content from 0 to 20 atomic% in the growth solution. Optoelectronic behavior was probed using cathodoluminescence, time-resolved luminescence, transient absorbance spectroscopy, and the incident photon-to-current conversion efficiency (IPCE). Analysis indicates the crucial role of surface defects in determining the electronic behavior. Significantly, Co-doping extends the light absorption of the nanorods into the visible region, increases the surface defects, and shortens the non-radiative lifetimes, while leaving the radiative lifetime constant. Furthermore, for 1 atomic% Co-doping the IPCE of the ZnO nanorods is enhanced. These results demonstrate that doping can controllably tune the functional electronic properties of ZnO nanorods for applications.
| Item Type: | Article |
|---|---|
| Additional Information: | Correction for ‘Optical properties and carrier dynamics in Co-doped ZnO nanorods’ by Aswathi K. Sivan et al., Nanoscale Adv., 2021, DOI: 10.1039/d0na00693a. The authors regret that the funding information was incorrectly shown in the acknowledgements section of the original manuscript. The corrected funding acknowledgement is as shown below. WKM, AMB acknowledge Spanish MINEICO (ENE2016-79282-C5-1-R (AEI/FEDER, UE)), MICINN (PID2019-104272RB-C51/AEI/10.13039/501100011033), CSIC (2019AEP010) and Gobierno de Aragón (Grupo Reconocido DGA T03_20R). The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers. Correction: https://doi.org/10.1039/D0NA90065F Correction published: 21 Dec 2020 |
| Full text: | (VoR) Version of Record Available under License - Creative Commons Attribution Non-commercial 3.0. Download PDF (1306Kb) |
| Status: | Peer-reviewed |
| Publisher Web site: | https://doi.org/10.1039/D0NA00693A |
| Publisher statement: | This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. |
| Date accepted: | 09 November 2020 |
| Date deposited: | 15 June 2021 |
| Date of first online publication: | 10 November 2020 |
| Date first made open access: | 15 June 2021 |
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