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- W4386852196 abstract "In this study, we investigate the influence of electrochemical doping on the optical properties of single-crystalline InP nanotetrapods. Our focus is on examining the variations in photoluminescence (PL) intensity exhibited by these InP tetrapods in response to applied electrical potential. We observe that the PL intensity undergoes significant changes depending on the nature of the charge transfer occurring during electrochemical doping. Specifically, electron transfer from the electrode to the InP tetrapods leads to a noticeable quenching of the PL intensity, which can be attributed to the removal of surface ligands. However, when additional holes are injected, we observe a remarkable increase in the PL intensity exceeding 60%. Through an analysis of steady-state PL spectra and time-resolved PL decay dynamics, we propose that the injected holes occupy surface hole trap states, resulting in surface passivation and thus enhancing the PL intensity. Our findings highlight the potential of these InP nanotetrapods as a novel nanostructure for future advancements in nanocrystal applications. By elucidating the impact of electrochemical doping on the optical properties of these materials, we contribute to the understanding and exploration of their potential applications in optoelectronic devices and related fields." @default.
- W4386852196 created "2023-09-20" @default.
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- W4386852196 date "2023-12-01" @default.
- W4386852196 modified "2023-10-12" @default.
- W4386852196 title "Electrochemical control of surface passivation and deformation in InP nanotetrapods" @default.
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- W4386852196 doi "https://doi.org/10.1016/j.apsusc.2023.158524" @default.
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