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Dipole reorientation and local density of optical states influence the emission of light-emitting electrochemical cells

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Dipole reorientation and local density of optical states influence the emission of light-emitting electrochemical cells

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dc.contributor.author	Jiménez-Solano, Alberto
dc.contributor.author	Martínez Sarti, Laura
dc.contributor.author	Pertegás Ojeda, Antonio
dc.contributor.author	Lozano, Gabriel
dc.contributor.author	Bolink, Henk
dc.contributor.author	Míguez, Hernán
dc.date.accessioned	2020-11-04T15:39:25Z
dc.date.available	2020-11-04T15:39:25Z
dc.date.issued	2020
dc.identifier.citation	Jiménez-Solano, Alberto Martínez Sarti, Laura Pertegás Ojeda, Antonio Lozano, Gabriel Bolink, Henk Míguez, Hernán 2020 Dipole reorientation and local density of optical states influence the emission of light-emitting electrochemical cells Physical Chemistry Chemical Physics 22 92 96
dc.identifier.uri	https://hdl.handle.net/10550/76244
dc.description.abstract	Herein, we analyze the temporal evolution of the electroluminescence of light-emitting electrochemical cells (LECs), a thin-film light-emitting device, in order to maximize the luminous power radiated by these devices. A careful analysis of the spectral and angular distribution of the emission of LECs fabricated under the same experimental conditions allows describing the dynamics of the spatial region from which LECs emit, i.e. the generation zone, as bias is applied. This effect is mediated by dipole reorientation within such an emissive region and its optical environment, since its spatial drift yields a different interplay between the intrinsic emission of the emitters and the local density of optical states of the system. Our results demonstrate that engineering the optical environment in thin-film light-emitting devices is key to maximize their brightness.
dc.language.iso	eng
dc.relation.ispartof	Physical Chemistry Chemical Physics, 2020, vol. 22, p. 92-96
dc.subject	Electroquímica
dc.subject	Materials
dc.title	Dipole reorientation and local density of optical states influence the emission of light-emitting electrochemical cells
dc.type	journal article	es_ES
dc.date.updated	2020-11-04T15:39:26Z
dc.identifier.doi	10.1039/C9CP05505C
dc.identifier.idgrec	136154
dc.rights.accessRights	open access	es_ES