Preparation and photocatalytic performance of MoS2 spheres by selective laser irradiation in liquid medium

Shuhan Li; Yang Li; Ke Liu; Xiangyou Li

doi:10.1117/12.2590203

28 February 2021 Preparation and photocatalytic performance of MoS₂ spheres by selective laser irradiation in liquid medium

Shuhan Li, Yang Li, Ke Liu, Xiangyou Li

Author Affiliations +

Proceedings Volume 11781, 4th Optics Young Scientist Summit (OYSS 2020); 117810W (2021) https://doi.org/10.1117/12.2590203
Event: Optics Frontier: Optics Young Scientist Summit, 2020, Ningbo, China

Abstract

Sulfide (MoS₂) spheres were fabricated by selective laser irradiation in liquid medium, which can be applied not only in preparation of colloidal spheres, but also in synthesis of micro- and submicromaterials. The phase and size of the resulted MoS₂ spheres were found to be easily controlled by modulating input laser fluence. The influence of experimental parameters on colloidal spheres formation, including laser irradiation time, has been investigated systematically. Size-increasing and -reducing phenomenon can be observed by field-emission scanning emission microscope (FESEM), in which the average sizes of the obtained particles gradually increase with increasing laser irradiation time or fluence. Furthermore, the corresponding photocatalytic degradation rate of laser irradiated particles (61%) shows an obvious increasing when compares with the raw materials without laser processing (22%), which may provide a fast preparation way for the potential application in photocatalytic area.

Citation Download Citation

Shuhan Li, Yang Li, Ke Liu, and Xiangyou Li "Preparation and photocatalytic performance of MoS₂ spheres by selective laser irradiation in liquid medium", Proc. SPIE 11781, 4th Optics Young Scientist Summit (OYSS 2020), 117810W (28 February 2021); https://doi.org/10.1117/12.2590203

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