ORCID Profile
0000-0002-9230-6124
Current Organisation
The University of Edinburgh
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Publisher: Elsevier BV
Date: 11-2016
Publisher: IOP Publishing
Date: 24-02-2016
Publisher: Wiley
Date: 27-12-2010
Publisher: Royal Society of Chemistry (RSC)
Date: 2009
DOI: 10.1039/B914978C
Abstract: We have prepared complexes of formula [Eu(beta-diketonate)(3)(DPEPO)] and shown quantitative excited-state energy transfer from the ligands combined with efficient Ln luminescence leading to exceptionally-high total photoluminescence quantum yield of up to 80% in solution and in PMMA.
Publisher: Royal Society of Chemistry (RSC)
Date: 2013
DOI: 10.1039/C3DT51380G
Abstract: Synthesis and photophysical characterisation of [Ln(hfac)3DPEPO] complexes (with Ln = Eu, Tb, Yb, Nd, Gd) has been carried out to investigate the factors responsible for the variation in total photoluminescence quantum yield within this family of emissive lanthanide complexes. Electronic absorption and emission spectroscopy, in conjunction with DFT calculations of the excited state of the Eu complex, elucidate the role of each ligand in the sensitisation of the lanthanide through the antenna effect. The X-ray crystal structure of [Gd(hfac)3DPEPO] has been determined and shows an 8-coordinate environment around the Gd and a ten-membered chelate ring involving the DPEPO ligand. Total photoluminescence quantum yields were measured to be 6%, 1% and 2% for Ln = Tb, Nd and Yb, respectively, in comparison with around 80% for Ln = Eu. The lower quantum yield for Nd and Yb, compared with Eu, can be attributed to more efficient quenching of the excited Ln state by high-energy oscillations within the ligands, whereas the lower quantum yield for Tb is assigned to a combination of poor energy transfer from the ligand excited state to the Tb and longer radiative lifetime.
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Date: 07-2011
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8DT00864G
Abstract: We report on the synthesis, crystal structures, optoelectronic properties and solar cell device studies of three novel hybrid bismuth-halide materials as lead-free light harvesters.
Publisher: Wiley
Date: 28-05-2014
Publisher: Informa UK Limited
Date: 25-01-2021
Publisher: Wiley
Date: 30-05-2014
Publisher: The Optical Society
Date: 16-03-2010
DOI: 10.1364/AO.49.001651
Publisher: Elsevier BV
Date: 02-2009
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Neil Robertson.