Semiconductor photocatalyst films protecting stone cultural relics against microbial weathering DOI Creative Commons
T. L. Chen, Yang Liu,

Lingnan Kong

et al.

Published: May 8, 2025

Abstract Microorganisms can colonize stone surfaces and metabolize them to produce pigments corrosive products, thus causing the weathering of cultural relics. Herein, we show that caused by a representative microorganism ( Scenedesmus obliquus ) be prevented coating with films comprising semiconducting photocatalytic nanocomposite, BiVO 4 /Ti 2 NT x -TiO . The compositing (a narrow-bandgap semiconductor) Ti -doped TiO two-dimensional layered results in an extended visible light absorption range reduced bandgap. incorporation increases efficiency energy utilization reactive oxygen species • OH, O − yield enhancing electron conductivity enabling rapid transfer photogenerated electrons (Ti ). produced upon irradiation selectively attack kill harmful Cyanobacteria species, which feature cyst-like structure composed phospholipids proteins, resulting release intracellular nutrients promotes growth beneficial Proteobacteria , Actinobacteria Bacteroidota Patescibacteria Thus, this work paves way for protection objects, including those classified as heritage, inspires further development semiconductor photocatalysts their engineering applications.

Language: Английский

Polarized electric field-mediated graphitic carbon nitride-based S-scheme heterostructure for efficient photocatalytic removal of bisphenol A DOI
Hai Guo,

Zheng-Tao Dong,

Ya-Ya Yang

et al.

Applied Surface Science, Journal Year: 2024, Volume and Issue: 682, P. 161739 - 161739

Published: Nov. 6, 2024

Language: Английский

Citations

4
Synergistic Enhancement of PEC Activity in Heterojunction Assisted by Oxygen Vacancies and Ferroelectric Polarization at Zero Bias: Mechanism Study and Achievement of Ultrasensitive Detection DOI
Lin Zhu,

Yaorong He,

Hui‐Hsun Huang

et al.

Analytical Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

The utilization of ferroelectric polarization-assisted photoelectrochemical (PEC) systems holds huge promise for solving the issue high recombination photogenerated electron–hole pairs. Monitoring their intricate charge-transfer process can offer profound insights into advancement highly active photoelectrodes. In this work, hydrothermally synthesized titanium dioxide nanorod arrays (TiO2 NRAs) are subjected to in situ etching introduce oxygen vacancies (Ov), and subsequently loaded with barium titanate (BaTiO3, BTO) nanoparticles form a polarization effect-assisted type-II heterojunction. resulting Ov-TiO2/BTO demonstrates an ultrahigh photocurrent 102 μA outstanding stability over 7200 s, far surpassing majority recently reported PEC photoanodes operating at bias voltage 0 V (vs Ag/AgCl). Notably, photoinduced charge transfer was monitored microscale by advanced scanning microscopy (SPECM). As showcase, aptamer-coupled self-powered biosensor kanamycin presents excellent sensitivity good anti-interference ability. This study not only elucidates intrinsic mechanism synergistic amplification photoelectric signals heterojunctions but also provides reliable platform ultrasensitive detection biological molecules.

Language: Английский

Citations

0
Comprehensive Analysis on Impact of Various Catalytic Assemblies for Photodegradation of Levofloxacin Antibiotic from Aquatic Environments: Constructing Strategies and Surface/Interface Engineering, Limitations, New Trends, and Future Outlooks DOI
Davood Habibi,

B. Bornas,

Ali Reza Faraji

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116071 - 116071

Published: March 1, 2025

Language: Английский

Citations

0
Semiconductor photocatalyst films protecting stone cultural relics against microbial weathering DOI Creative Commons
T. L. Chen, Yang Liu,

Lingnan Kong

et al.

Published: May 8, 2025

Abstract Microorganisms can colonize stone surfaces and metabolize them to produce pigments corrosive products, thus causing the weathering of cultural relics. Herein, we show that caused by a representative microorganism ( Scenedesmus obliquus ) be prevented coating with films comprising semiconducting photocatalytic nanocomposite, BiVO 4 /Ti 2 NT x -TiO . The compositing (a narrow-bandgap semiconductor) Ti -doped TiO two-dimensional layered results in an extended visible light absorption range reduced bandgap. incorporation increases efficiency energy utilization reactive oxygen species • OH, O − yield enhancing electron conductivity enabling rapid transfer photogenerated electrons (Ti ). produced upon irradiation selectively attack kill harmful Cyanobacteria species, which feature cyst-like structure composed phospholipids proteins, resulting release intracellular nutrients promotes growth beneficial Proteobacteria , Actinobacteria Bacteroidota Patescibacteria Thus, this work paves way for protection objects, including those classified as heritage, inspires further development semiconductor photocatalysts their engineering applications.

Language: Английский

Citations

0