Novel red photoluminescence sensor based on Europium ion doped calcium hydroxy stannate CaSn(OH)6:Eu+3 for latent fingerprint detection

Ghubish, Z.; Saif, M.; Hafez, H.M.; Mahmoud, Hala R.; Kamal, R.; El‐Kemary, Maged

doi:10.1016/j.molstruc.2020.127840

Cited by 34 publications

(8 citation statements)

References 55 publications

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“…Moreover, the surface defects such as OV and Eu 3+ lead to increasing Lewis basicity of the photocatalyst surface, 43,57,58 which increases the acetic acid adsorption as well as the photocatalytic gas generation activity.…”

Section: Resultsmentioning

confidence: 99%

Eu³⁺:Y₂Ti₂O₇ nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Soliman,

Ali,

Khaled

et al. 2023

Applied Organom Chemis

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The main focus of this research is on energy production by clean photocatalytic technology. By using the sol–gel process, yttrium titanate nano‐photocatalysts modified with europium (x mol. Eu3+:Y2Ti2O7) have been created and used to produce photocatalytic biogas and hydrogen using acetic acid. X‐ray powder diffraction (XRD) confirms the formation of cubic Y2Ti2O7 phase. Microscopic study has indicated that Eu doping improved the shape, size, and dispersity of Y2Ti2O7 photocatalyst. Different crystal defects, including oxygen vacancies (OVs) and Ti3+ species, are demonstrated by X‐ray photoelectron spectroscopy (XPS) studies. Compared with pure Y2Ti2O7, 0.03 mol. Eu3+:Y2Ti2O7 has the highest proportion of lattice defects. The band gap energies have increased as a result of doping on Y2Ti2O7 size. Urbach energy calculations confirm that Eu3+:Y2Ti2O7 nano‐photocatalyst has the highest degree of distortion. The photoluminescence (PL) measurements have shown that 0.03 mol. Eu3+ dopant can effectively separate the active charge carriers. Electron spin resonance proved the progressive increase of defect states (OV and Ti3+) by doping, which promoted the photocatalytic activity of the nano‐photocatalyst. These photocatalysts have generated biogas and hydrogen gas via photocatalytic oxidation of acetic acid under inert conditions. The maximum photocatalytic activity for the generation of biogas and hydrogen is found in 0.03 mol. Eu3+:Y2Ti2O7. The maximum photocatalytic activity of 0.03 mol. Eu3+:Y2Ti2O7 is correlated with higher lattice defects (OV, Ti3+) and reduced charge carrier recombination. The proposed photocatalytic mechanism has been discussed. According to the findings, Eu3+:Y2Ti2O7 nano‐photocatalyst is a promising nanomaterial for the generation of energy.

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Section: Resultsmentioning

confidence: 99%

Eu³⁺:Y₂Ti₂O₇ nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Soliman,

Ali,

Khaled

et al. 2023

Applied Organom Chemis

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“…However, the observed optical band gap value for optimized sample (0.06 mol Eu 3+ :SrSnO 3 @APTS) is 3.14 eV, which is relatively smaller than the reported value of bulk sample (4.3 eV). 12 This behavior is due to a difference in particle size of the sample by different treatments. These observed UV-Vis diffuse reflectance data confirm the obtained results from XRD analysis.…”

Section: Resultsmentioning

confidence: 99%

“…In recent years, uorescence methods had been widely employed for sensing various heavy metal ions, 12,13 nanoparticles, 14 ngerprint 15,16 and biomarker, [17][18][19] due to their low cost and visualization. Moreover, it has robust, high reliability, reusability, fast response time and other properties.…”

Section: Introductionmentioning

confidence: 99%

Novel fluorescent nano-sensor based on amino-functionalization of Eu³⁺:SrSnO₃ for copper ion detection in food and real drink water samples

et al. 2021

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“…The current study improves solution stability and the stablized Cu NCs are mainly applied in bioimaging, biosensing, ion detection and material determination. However, research on the stability of Cu NCs powder and their application as phosphor is absent, particularly in latent fingerprints visualization, which is one of the most technologically and extensively used method of identification applications [26,27].…”

Section: Introductionmentioning

confidence: 99%

Cation Crosslinking-Induced Stable Copper Nanoclusters Powder as Latent Fingerprints Marker

et al. 2021

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Luminescent copper nanoclusters (Cu NCs) have shown great potential in light-emitting devices (LEDs), chemical sensing, catalysis and biological fields. However, their practical use has been restricted by poor stability, and study on the stability of Cu NCs solid powder along with the mechanism is absent. In this study, stablized Cu NCs powder was first obtained by cation crosslinking method. Compared with the powder synthesized by solvent precipitation method, the stability of Cu NCs powder crosslinked by ionic inducer Ce3+ was enhanced around 100-fold. The storage time when the fluorescence intensity decreased to 85% (T85) was improved from 2 h to 216 h, which is the longest so far. The results of characterizations indicated that the aggregation structure was formed by the binding of Ce3+ with the capping ligands of Cu NCs, which helped in obtaining Ce-Cu NCs powder from aggregate precipitation in solution. Furthermore, this compact structure could avoid the destruction of ambient moisture resulting in long-lasting fluorescence and almost unchanged physical form. This demonstrated that phosphor, with excellent characteristics of unsophisticated synthesis, easy preservation and stable fluorescence, showed great potential in light sources, display technology and especially in latent fingerprints visualization on different substrates for forensic science.

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Novel red photoluminescence sensor based on Europium ion doped calcium hydroxy stannate CaSn(OH)6:Eu+3 for latent fingerprint detection

Cited by 34 publications

References 55 publications

Eu³⁺:Y₂Ti₂O₇ nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Eu³⁺:Y₂Ti₂O₇ nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Novel fluorescent nano-sensor based on amino-functionalization of Eu³⁺:SrSnO₃ for copper ion detection in food and real drink water samples

Cation Crosslinking-Induced Stable Copper Nanoclusters Powder as Latent Fingerprints Marker

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Novel red photoluminescence sensor based on Europium ion doped calcium hydroxy stannate CaSn(OH)6:Eu+3 for latent fingerprint detection

Cited by 34 publications

References 55 publications

Eu3+:Y2Ti2O7 nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Eu3+:Y2Ti2O7 nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Novel fluorescent nano-sensor based on amino-functionalization of Eu3+:SrSnO3 for copper ion detection in food and real drink water samples

Cation Crosslinking-Induced Stable Copper Nanoclusters Powder as Latent Fingerprints Marker

Contact Info

Product

Resources

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Eu³⁺:Y₂Ti₂O₇ nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Eu³⁺:Y₂Ti₂O₇ nanomaterials as efficient photocatalysts used for hydrogen and biogas production toward a sustainable environment

Novel fluorescent nano-sensor based on amino-functionalization of Eu³⁺:SrSnO₃ for copper ion detection in food and real drink water samples