Surface modification of titanium dioxide

Silver sulfide thin film solar cells: materials, fabrication methods, devices, and challenges

“…The elemental composition, bandgap, electrical properties, and defect concentration on the surface of the absorption layer directly affect the device's light absorption efficiency, diffusion length and lifetime of photogenerated charge carriers, band alignment between the absorption layer and electron or hole transport layers, and the stability of device photovoltaic performance. 99 Surface modification of the absorption layer can enhance light absorption, reduce non-radiative recombination at the interface, and improve the photovoltaic efficiency and stability of the device. 100…”

Microwave-assisted synthesis of oxygen vacancy associated Bi–TiO2 nanocomposite for degradation of rhodamine B under visible light irradiation

“…26,27 However, there remain many drawbacks waiting for improvement, such as a limited photo-active range within the ultraviolet region because of its wide bandgap (∼3.2 eV), and poor charge separation efficiency. 28,29 Thus, various methods have been applied to improve the performance of TiO 2 catalysts, for instance, element doping, 30 the construction of the heterostructure, 19 and surface modification. 31 Doping with other elements has proven to be a simple and efficient approach for reducing the wide band gap of TiO 2 and enhancing its photocatalytic activity.…”

Electronic and Structural Properties of Antibacterial Ag–Ti-Based Surfaces: An Ab Initio Theoretical Study

“…Ag nanoparticles in 3D or 2D coating applied on the TiO 2 that is naturally formed on Ti-based surfaces enhance the antibacterial activity [26][27][28][29][30][31][32]. In addition, the alterations in the titanium oxide semiconductor band gap reveal a material suitable for several technological applications beyond biomedical, such as photocatalysis and solar cells [26,31,32].…”

“…Ag nanoparticles in 3D or 2D coating applied on the TiO 2 that is naturally formed on Ti-based surfaces enhance the antibacterial activity [26][27][28][29][30][31][32]. In addition, the alterations in the titanium oxide semiconductor band gap reveal a material suitable for several technological applications beyond biomedical, such as photocatalysis and solar cells [26,31,32]. Specifically, the semiconductor Ti-O passive layer formed on metallic diodes has a tunable bandgap, rendering this material interesting for multifunctional applications such as thin-film transistors and electronic devices [9][10][11][12]26,31,32].…”

“…In addition, the alterations in the titanium oxide semiconductor band gap reveal a material suitable for several technological applications beyond biomedical, such as photocatalysis and solar cells [26,31,32]. Specifically, the semiconductor Ti-O passive layer formed on metallic diodes has a tunable bandgap, rendering this material interesting for multifunctional applications such as thin-film transistors and electronic devices [9][10][11][12]26,31,32]. The creation of new electron states and charge transfer at the metal-semiconductor interface or on the oxide surface can be further tuned upon Ag doping, giving interesting opportunities for electronic and optoelectronic applications [26][27][28][29][30][31][32].…”