Simultaneous doping of higher ionic state metal and surface plasmon resonance-inducing element with ZnO: an effective approach to improve photocatalytic dye degradation

Seelan, K. Shantha; Ravichandran, K.; Kavitha, P.; Praseetha, P.K.

doi:10.1007/s00339-020-03938-z

Cited by 11 publications

(2 citation statements)

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“…Furthermore, there are several works in which metallic copper LSPR is exploited as sensitizing system as described early. [ 26–29 ] For example, Cheng et al. [ 30 ] decorate Cu 2 O microsphere with copper nanoparticles for boosting the degradation of organic pollutant: in this work, they support the outcome with the presence of copper LSPR, able to trigger better visible light absorption.…”

Section: Introductionsupporting

confidence: 64%

“…Furthermore, there are several works in which metallic copper LSPR is exploited as sensitizing system as described early. [26][27][28][29] For example, Cheng et al [30] decorate Cu 2 O microsphere with copper nanoparticles for boosting the degradation of organic pollutant: in this work, they support the outcome with the presence of copper LSPR, able to trigger better visible light absorption. However, in all these reported examples, the copper-based plasmonic features have not been produced by a plasma-mediated process, which is inherently simpler to carry out and to scale up.…”

Section: Introductionsupporting

confidence: 61%

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Plasmon‐Assisted Operando Self‐Healing of Cu₂O Photocathodes

Ross

Ruiz‐Martinez

Rizzi

et al. 2022

Advanced Sustainable Systems

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The ongoing problems in western countries connected to the global energy supply urgently force the research community to strive in finding new methodologies for boosting the functional properties of earth‐abundant raw materials, for example, the largely available cupreous oxide. In this work, the authors focus on the surface sensitization of this metal oxide semiconductor with an argon plasma treatment, that promotes, during photoelectrochemical hydrogen evolution, the formation of metallic copper nanostructures. Interestingly, these copper‐based hierarchical nano‐branches, having inherent plasmonic properties, are at the origin of the improved shelf‐life of the modified Cu2O photocathode, as is demonstrated by advanced structural and photophysical analyses. This proposed photophysical mechanism for an operando electrode stabilization suggests that a self‐healing process can occur within the Cu2O/plasmonic Cu heterostructure. These findings pave the way to the implementation of new, easy‐to‐make strategies to improve the properties of low‐cost, low‐toxicity energy materials.

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Section: Introductionsupporting

confidence: 64%