Evaluation of two core–shell (Ag2S@- and Bi2S3@-) sensors based on a metal–organic framework (NH2-MIL-125-Ti)/polyaniline for the electroanalysis of uric acid in urine samples

Deffo, Gullit; Fotsop, Cyrille Ghislain; Ngaha, Marcel Cédric Deussi; Fogang, Sengor Gabou; Vomo, Lionnel Averie; Nkuigoua, Bibiane Wandji; Shella, Calmette Akenmo; Somba, Alex Vincent; Tene, Thierry Flavien Nde; Tchummegne, Ida Kouam; Njanja, Evangeline; Tonlé, Ignas Kenfack; Puzari, Panchanan; Ngameni, Emmanuel

doi:10.1039/d3ma01182h

Mater. Adv.

2024

DOI: 10.1039/d3ma01182h

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Evaluation of two core–shell (Ag₂S@- and Bi₂S₃@-) sensors based on a metal–organic framework (NH₂-MIL-125-Ti)/polyaniline for the electroanalysis of uric acid in urine samples

Gullit Deffo,

Cyrille Ghislain Fotsop,

Marcel Cédric Deussi Ngaha

et al.

Abstract: Chemical sensors for the determination of uric acid (UA) in human urine sample have been developed using a composite material based on two core-shells (Ag2S@- and Bi2S3@-) coated with metal-organic...

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Cited by 2 publications

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Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH₂-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation

Singh,

Kansal

2024

Ind. Eng. Chem. Res.

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Herein, NH 2 -MIL-125(Ti)/red phosphorus heterostructures with varying weight percentages of NH 2 -MIL-125(Ti) (NMT) metal−organic framework (MOF) were prepared by using a solvothermal method. The morphological and structural characterization results of the heterostructures depicted strong surface interactions between red phosphorus (RP) and NMT MOF. The photoluminescence and electrochemical impedance spectroscopy studies exhibited improved charge transfer properties of the heterostructures compared to those of RP and NMT MOF. The prepared NMT/red phosphorus heterostructures were tested for the simultaneous photocatalytic degradation of organic pollutants (2,4dinitrophenol, 4-nitrophenol, 2,4,6-trinitrophenol, rhodamine B, methylene blue, and rhodamine 6G) and hydrogen production. The increased separation of charge carriers of the 5% NMT/red phosphorus catalyst over the formed Z-scheme heterojunction led to the achievement of the best activity for the simultaneous process. A maximum H 2 production rate (517.97 μmol h −1 g −1 ) was observed in the rhodamine B dye solution, which was much higher than that in the pure water system (39.76 μmol h −1 g −1 ). This was because, among all of the organic pollutants, rhodamine B dye acted as the best hole scavenger, thus leaving the maximum available photogenerated electrons for H 2 production. Furthermore, optimum degradation efficiency (97.8%) was achieved for methylene blue dye. Moreover, during four cycles of reusability, the photocatalyst showed outstanding H 2 production and degradation stability, making it suitable for use in practical solutions for water and energy issues. Therefore, this work allows for the simultaneous mitigation of wastewater treatment and energy scarcity issues by developing an effective method to prepare Z-scheme heterostructured catalysts with favorable band structures and optimum activity.

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Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH₂-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation

Singh,

Kansal

2024

Ind. Eng. Chem. Res.

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Bionanocomposite materials for electroanalytical applications: current status and future challenges

Deffo,

Tonleu Temgoua,

Njanja

et al. 2024

Nanoscale Adv.

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Evaluation of two core–shell (Ag₂S@- and Bi₂S₃@-) sensors based on a metal–organic framework (NH₂-MIL-125-Ti)/polyaniline for the electroanalysis of uric acid in urine samples

Abstract: Chemical sensors for the determination of uric acid (UA) in human urine sample have been developed using a composite material based on two core-shells (Ag2S@- and Bi2S3@-) coated with metal-organic...

Cited by 2 publications

References 68 publications

Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH₂-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation

Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH₂-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation

Bionanocomposite materials for electroanalytical applications: current status and future challenges

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Evaluation of two core–shell (Ag2S@- and Bi2S3@-) sensors based on a metal–organic framework (NH2-MIL-125-Ti)/polyaniline for the electroanalysis of uric acid in urine samples

Abstract: Chemical sensors for the determination of uric acid (UA) in human urine sample have been developed using a composite material based on two core-shells (Ag2S@- and Bi2S3@-) coated with metal-organic...

Cited by 2 publications

References 68 publications

Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH2-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation

Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH2-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation

Bionanocomposite materials for electroanalytical applications: current status and future challenges

Contact Info

Product

Resources

About

Evaluation of two core–shell (Ag₂S@- and Bi₂S₃@-) sensors based on a metal–organic framework (NH₂-MIL-125-Ti)/polyaniline for the electroanalysis of uric acid in urine samples

Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH₂-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation

Simultaneous Degradation of Organic Pollutants and Hydrogen Production Using Dual-Functional NH₂-MIL-125(Ti)/Red Phosphorus Heterostructure under Solar Light Irradiation