Reply to the comment on Kumar A., Sagdeo A., Sagdeo P. R., Possibility of using ultraviolet radiation for disinfecting the novel COVID-19, Photodiagnosis and photodynamic therapy. 34 (2021) 102234

Kumar, Anil; Sagdeo, Archna; Sagdeo, Pankaj R.

doi:10.1016/j.pdpdt.2021.102419

Cited by 2 publications

(2 citation statements)

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“…The pandemic has boosted increasing interest in the ultraviolet technology. [6][7][8] Accordingly, the development of more novel ultraviolet-C disinfection solution is expected to inactivate the coronavirus. As a potential candidate, ultraviolet-C light source based on phosphor conversion should have the same disinfection properties as conventional ultraviolet germicidal irradiation, and may provide an alternative solution for the progress of ultraviolet disinfection technology.…”

Section: Introductionmentioning

confidence: 99%

Conceptual Ultraviolet‐C Light Source Based on Up‐Conversion Luminescence

Zhao

Liu

Shi

et al. 2022

Advanced Photonics Research

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Ultraviolet‐C illumination may provide a promising solution for the disinfection technology, and thus the development of novel type of ultraviolet‐C light sources is continuously expected. Herein, a conceptual design of ultraviolet‐C light source based on up‐conversion luminescence of phosphor material is introduced. Accordingly, a composite film is prepared using YBO3:Pr3+ phosphor and a transmissive remote phosphor‐converted light source is built by combing the phosphor film with a 447 nm laser. Spectral measurements show that the phosphor‐converted design emits ultraviolet‐C light peaking at 263 and 274 nm with tunable emission intensities. Moreover, ultraviolet imaging demonstration implies that the present design has a potential to serve as an ultraviolet‐C germicidal light source for surface decontamination.

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Section: Introductionmentioning

confidence: 99%

Conceptual Ultraviolet‐C Light Source Based on Up‐Conversion Luminescence

Zhao

Liu

Shi

et al. 2022

Advanced Photonics Research

View full text Add to dashboard Cite

show abstract

“…358 Previous research has demonstrated applications of photolysis for pollutant degradation, [359][360][361] but photolysis is mainly used for the inactivation of pathogenic microorganisms. 362,363 Direct ultraviolet photolysis of anaerobic water to form OH radicals, H atoms, and hydrated electrons, e À aq , (see Tables 3 and 5 for thermodynamic potentials) has been demonstrated with vacuum ultraviolet (VUV) wavelengths o200 nm, albeit with low quantum yields and very slow breakdown of PFAS. 364,365 Use of VUV irradiation is impractical because of the high absorption cross section of most materials at wavelengths below 200 nm.…”

Section: Electrocatalytic Aqueous Generation Mechanisms Of Reactive S...mentioning

confidence: 99%