Rapid microwave-assisted hydrothermal synthesis of Sm, N, and P tridoped anatase-TiO2 nanosheets from TiCl4 hydrolysis

Wang, Xuefeng; Jiang, Hongquan; Liu, Yanduo; Gao, Mengdie

doi:10.1016/j.matlet.2015.02.022

Cited by 14 publications

(4 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…113 Sm 3+ ions have been used to enhance the magnetization of BiFeO 3 nanosubstrates. 61 Sm 3+ has been doped into nanostructured catalysts, such as manganese ferrite, 114 zinc spinel ferrite, 115 perovskite bismuth ferrite, 116 and TiO 2 , 117 to enhance the photocatalytic activity toward organic pollutants by narrowing the bandgap, trapping photoinduced electrons, and suppressing the recombination of electrons and holes. Considering the UV-absorbing ability of Sm 3+ , several Sm compounds, such as Sm(OH) 3 , 118 can also serve as photocatalysts for photodegradation reactions.…”

Section: Characteristic Propertiesmentioning

confidence: 99%

Rare-Earth Doping in Nanostructured Inorganic Materials

et al. 2022

View full text Add to dashboard Cite

Impurity doping is a promising method to impart new properties to various materials. Due to their unique optical, magnetic, and electrical properties, rare-earth ions have been extensively explored as active dopants in inorganic crystal lattices since the 18th century. Rare-earth doping can alter the crystallographic phase, morphology, and size, leading to tunable optical responses of doped nanomaterials. Moreover, rare-earth doping can control the ultimate electronic and catalytic performance of doped nanomaterials in a tunable and scalable manner, enabling significant improvements in energy harvesting and conversion. A better understanding of the critical role of rare-earth doping is a prerequisite for the development of an extensive repertoire of functional nanomaterials for practical applications. In this review, we highlight recent advances in rare-earth doping in inorganic nanomaterials and the associated applications in many fields. This review covers the key criteria for rare-earth doping, including basic electronic structures, lattice environments, and doping strategies, as well as fundamental design principles that enhance the electrical, optical, catalytic, and magnetic properties of the material. We also discuss future research directions and challenges in controlling rare-earth doping for new applications.

show abstract

Section: Characteristic Propertiesmentioning

confidence: 99%

Rare-Earth Doping in Nanostructured Inorganic Materials

et al. 2022

View full text Add to dashboard Cite

show abstract

“…However, the above methods for the synthesis of Sm 2 O 3 are energy-wasting and time-consuming. They required long reaction time arising from the heating inhomogeneity and slow reaction kinetics [12]. Compared with the above methods, the microwave-assisted technique can enable a fast and homogeneous heating among the entire sample to enhance reaction rates and shorten reaction time [13].…”

Section: Introductionmentioning

confidence: 99%

Microwave-Assisted Hydrothermal Synthesis of Sm<sub>2</sub>O<sub>3</sub> Nanoparticles and their Optical Properties

Han

Zhang

et al. 2017

JNanoR

View full text Add to dashboard Cite

Spherical Sm2O3 nanoparticles have been successfully synthesized by microwave-assisted hydrothermal technique in the condition of different microwave radiation power. The microstructure, morphology and optical properties of the samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), field emission transmission electron microscope (FETEM) and ultraviolet-visible (UV-vis) spectrophotometry. The results showed that the precursors Sm (OH)3 nanorods and SmOHCO3 nanoparticles were obtained during microwave-assisted hydrothermal reaction and decomposed into spherical Sm2O3 nanoparticles after heat treatment. A potential mechanism of the formation of Sm2O3 nanoparticles is proposed. The UV-vis absorption spectra indicated that the samples had high ultraviolet absorption capacity and the energy gap was only 4.83 eV as the radiation power increased to 550 W.

show abstract

“…Comercialmente, o dióxido de titânio é produzido por dois processos: sulfatação e cloretação (Wu et al, 2010). Em laboratório, o TiO2 é sintetizado a partir de diferentes precursores de titânio, como tetraisopropóxido de titânio (Santos, 2013;Kim e Hwang, 2015;Mahata et al, 2015) e tetracloreto de titânio (Zou et al, 2014;Wang et al, 2015) utilizando métodos como sol-gel (Wu et al, 2010;Paula et al, 2014), precipitação homogênea (Yin et al, 2005;Stengl et al, 2008) e solvotermal (Yang et al, 2009;Zhou et al, 2015).…”

Section: Lista De Figurasunclassified

“…Em princípio, estas diferenças de energia poderiam limitar a aplicação do TiO2 em processos fotocatalíticos induzidos pela radiação solar, uma vez que a radiação incidente na biosfera consiste de cerca de 5% de radiação ultravioleta, 43% visível e 52% infravermelho Devi e Kavitha, 2014). No entanto, isso pode ser contornado pela introdução de dopantes e/ou modificações estruturais (Machado et al, 2008;Zhou et al, 2014;Kuvarega et al, 2015;Wang et al, 2015).…”

Section: Propriedades Eletrônicasunclassified

Síntese, caracterização e avaliação da atividade fotocatalítica de TiO2 modificado com nitrogênio e prata

Silva¹

View full text Add to dashboard Cite

Mariana, Samuel, Valdislaine e Werick, pela paciência e convivência agradável, Ao Prof. Dr. Antonio Otávio de Toledo Patrocínio pelo auxílio nas análises de espectroscopia de fotoelétrons excitados por raios-X (XPS), Ao CETENE, Centro de Tecnologias Estratégicas do Nordeste, pela realização das análises de Raman, área superficial e porosidade, microscopia eletrônica de transmissão (MET) e espectroscopia de energia dispersiva (EDS),

show abstract

Rapid microwave-assisted hydrothermal synthesis of Sm, N, and P tridoped anatase-TiO2 nanosheets from TiCl4 hydrolysis

Cited by 14 publications

References 11 publications

Rare-Earth Doping in Nanostructured Inorganic Materials

Rare-Earth Doping in Nanostructured Inorganic Materials

Microwave-Assisted Hydrothermal Synthesis of Sm<sub>2</sub>O<sub>3</sub> Nanoparticles and their Optical Properties

Síntese, caracterização e avaliação da atividade fotocatalítica de TiO2 modificado com nitrogênio e prata

Contact Info

Product

Resources

About