Substrate roughness and crystal orientation-controlled growth of ultra-thin BN films deposited on Cu foils

Basu, Nilanjan; Dutta, Argha; Singh, Ranveer; Bayazeed, Md.; Parmar, Avanish Singh; Som, T.; Lahiri, Jayeeta

doi:10.1007/s00339-022-05536-7

Cited by 5 publications

(2 citation statements)

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“…The intensity and area ratio between the (111) and the (200) reflections increases with change in laser fluence implying strong re‐crystallization effects with the favored growth of Cu (111) lattice planes after structuring (shown in Table 1). In a previous study, similar effects have been observed to occur upon thermal treatment of Cu foils [38] . The evolution of Cu (111) in the current work is attributed to the structural transformation of copper electrodes due to plastic deformation of crystallites during laser treatment.…”

Section: Resultssupporting

confidence: 84%

“…In a previous study, similar effects have been observed to occur upon thermal treatment of Cu foils. [38] The evolution of Cu (111) in the current work is attributed to the structural transformation of copper electrodes An additional XRD analysis was performed with grazing incidence beam (Figure 2b) to obtain deeper insights into the crystallographic features. Unlike the above conventional diffraction geometry, the small-angle grazing incidence is employed for observations of the planes inclined with respect to the surface of the sample, whose normal is the bisector of the angle formed by the incident and the diffracted beam.…”

Section: Laser-structuring and Characterizationmentioning

confidence: 99%

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Enhanced Performance of Laser‐Structured Copper Electrodes Towards Electrocatalytic Hydrogenation of Furfural

et al. 2022

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Electrocatalytic hydrogenation (ECH) of biomass derived compounds is an emerging technology for the production of biofuels. Herein, the ECH of furfural was investigated systematically on femtosecond laser-structured copper electrodes, amending the work on commonly used bulk copper electrodes or electrodeposits. Laser-structuring was used to vary the amount of active sites and the crystallographic orientation on the copper electrodes (evidenced with scanning electron microscopy and X-ray diffraction), and to achieve nickel alloying with the structured copper surface. We showed that the production rate and the Faradaic efficiency for furfural ECH on both Cu (111) and Ni-alloyed Cu were substantially increased. This improvement was ascribed to more catalytic sites offered for hydrogen and interactions of furanic intermediates. Moreover, the Ni-alloyed Cu electrode enabled the stable production of 2methylfuran even at large overpotentials. The mechanistic insights gained could open up new pathways to produce sustainable biofuel candidates with more stable electrodes.

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Section: Resultssupporting

confidence: 84%

Section: Laser-structuring and Characterizationmentioning

confidence: 99%