Tin dioxide nanomaterial-based photocatalysts for nitrogen oxide oxidation: a review

• Viet Van Pham,
• Hong-Huy Tran,
• Thao Kim Truong and
• Thi Minh Cao

Beilstein J. Nanotechnol. 2022, 13, 96–113, doi:10.3762/bjnano.13.7

• ] (see Equations 1–10). Recently, research on tin dioxide (SnO2) materials has increased significantly, which expresses the potential of SnO2 materials for the scientific community (Figure 2a). SnO2 is one of the most extensively investigated n-type semiconductors. It is known as tin(VI) oxide or stannic

Gas sensing properties of individual SnO₂ nanowires and SnO₂ sol–gel nanocomposites

• Alexey V. Shaposhnik,
• Dmitry A. Shaposhnik,
• Sergey Yu. Turishchev,
• Olga A. Chuvenkova,
• Stanislav V. Ryabtsev,
• Alexey A. Vasiliev,
• Xavier Vilanova,
• Francisco Hernandez-Ramirez and
• Joan R. Morante

Beilstein J. Nanotechnol. 2019, 10, 1380–1390, doi:10.3762/bjnano.10.136

• selectivity to target gases. The aim of this work is the comparison of gas sensing properties of tin dioxide in the form of individual nanowires and nanopowders obtained by sol–gel synthesis. This comparison is necessary because the traditional synthesis procedures of small particle, metal oxide materials

• seem to be approaching their limit. Because of this, there is increasing interest in the fabrication of functional materials based on nanowires, i.e., quasi-one-dimensional objects. In this work, nanocrystalline tin dioxide samples with different morphology were synthesized. The gas-transport method

• ; gas transport method; nanowires; quasi-one-dimensional materials; sol–gel synthesis; tin dioxide; X-ray absorption near edge structure (XANES); X-ray photoelectron spectroscopy (XPS); Introduction Semiconductor sensor functionality relies on heterogeneous catalytic chemical processes, which makes the

Zn/F-doped tin oxide nanoparticles synthesized by laser pyrolysis: structural and optical properties

• Florian Dumitrache,
• Iuliana P. Morjan,
• Elena Dutu,
• Ion Morjan,
• Claudiu Teodor Fleaca,
• Monica Scarisoreanu,
• Alina Ilie,
• Marius Dumitru,
• Cristian Mihailescu,
• Adriana Smarandache and
• Gabriel Prodan

Beilstein J. Nanotechnol. 2019, 10, 9–21, doi:10.3762/bjnano.10.2

•  3a, a high-resolution TEM (HRTEM) image of a Zn/F-doped SnO2 sample (labeled ZTO0.44) and its mean size distribution (inset in Figure 3a) are presented. The polyhedral crystalline tin dioxide aggregated nanoparticles can be clearly seen in the HRTEM image. Also, a very thin disordered layer can be

• case, a mixture of tetragonal rutile-type and minority orthorhombic tin dioxide phases was identified [44]. The crystalline phases identified from SAED (see Figure 3b) images are consistent with those from XRD, indicating structural uniformity up to the level of nanoparticle agglomeration containing

• values. A clear optical behavior influence of the presence of carbon layers on tin dioxide can be observed for the SnO2@C and SnO2@SiO2@C nanostructured microspheres (C symbolizing here reduced graphene oxide, rGO) reported in [53], where the UV–vis spectra show a clear increase in absorbance (mostly in

Electrospun one-dimensional nanostructures: a new horizon for gas sensing materials

• Muhammad Imran,
• Nunzio Motta and
• Mahnaz Shafiei

Beilstein J. Nanotechnol. 2018, 9, 2128–2170, doi:10.3762/bjnano.9.202

• ], Co3O4 [113][114], iron oxide (Fe2O3) [115][116], tin dioxide (SnO2) [76][117][118][119][120][121][122][123], zinc oxide (ZnO) [124][125][126][127][128][129][130], and indium oxide (In2O3) [78][80][131][132][133][134][135][136][137][138]. Table S2 in Supporting Information File 1 summarizes the sensing

Metal oxide nanostructures: preparation, characterization and functional applications as chemical sensors

• Dario Zappa,
• Angela Bertuna,
• Elisabetta Comini,
• Navpreet Kaur,
• Nicola Poli,
• Veronica Sberveglieri and
• Giorgio Sberveglieri

Beilstein J. Nanotechnol. 2017, 8, 1205–1217, doi:10.3762/bjnano.8.122

• conventional thin film counterparts, to see if the discerning ability of the electronic nose is affected by the integration of nanostructured active materials. In particular, we decided to integrate tin dioxide and zinc oxide devices, since these are the most widely used and studied materials for chemical

• ), tin dioxide (SnO2) and zinc oxide (ZnO) nanowires was performed by evaporation–condensation on alumina substrates [50]. It consists of a controlled evaporation of metal oxide powder followed by a condensation of vapor on a catalyzing substrate. The main parameters to optimize during evaporation

Impact of air exposure and annealing on the chemical and electronic properties of the surface of SnO₂ nanolayers deposited by rheotaxial growth and vacuum oxidation

• Monika Kwoka and
• Maciej Krzywiecki

Beilstein J. Nanotechnol. 2017, 8, 514–521, doi:10.3762/bjnano.8.55

• -oxide electronics; X-ray photoelectron spectroscopy (XPS); Introduction For many years, tin dioxide (SnO2) has been widely used as the active material for resistive-type gas sensors for oxidizing and reducing gases [1], thin transparent electrodes and barrier layers in solar cells [2]. This is related

Nanostructured TiO₂-based gas sensors with enhanced sensitivity to reducing gases

• Wojciech Maziarz,
• Anna Kusior and
• Anita Trenczek-Zajac

Beilstein J. Nanotechnol. 2016, 7, 1718–1726, doi:10.3762/bjnano.7.164

• electronic structure by improving electron migration from titanium dioxide to tin dioxide and promotes oxygen molecule adsorption at the surface [34]. The as-formed heterojunction (n–n type) affects the response due to the formation of the accumulation/depletion layer and increases the potential barrier at

• . The as-obtained pore network and fine grains of titanium dioxide nanoflowers promote high surface-to-volume ratio, which favor the p-type behavior. Finally, the presence of tin dioxide nanoparticles induce creation of intimate electrical contact at the TiO2/SnO2 interface [32], along which electron

• XRD patterns of nanostructured TiO2 layers are demonstrated in Figure 2. It can be observed that flower-like nanostructures crystallize in the form of anatase, with rutile as a secondary phase. Due to the extremely small tin dioxide nanoparticles, no cassiterite (SnO2) diffraction peaks can be

Influence of stabilising agents and pH on the size of SnO₂ nanoparticles

• Olga Rac,
• Patrycja Suchorska-Woźniak,
• Marta Fiedot and
• Helena Teterycz

Beilstein J. Nanotechnol. 2014, 5, 2192–2201, doi:10.3762/bjnano.5.228

• dioxide; Introduction Tin dioxide is an n-type semiconductor with a band gap width of 3.6 eV. It is characterised by good photocatalytic properties and in its presence, decomposition of an organic dye in the visible range of the electromagnetic spectrum may takes place [1]. Moreover, SnO2 is widely used

• for the production of transparent conductive layers or in the production of electrodes in lithium cells [2]. However, a SnO2 anode in a Li-ion cell has poor cycling stability [3]. A potential solution to this problem may be the use of nanoparticles. Tin dioxide nanoparticles of 3 nm diameter have a

• high charging capacity, however, this ability slightly diminishes after 60 cycles. It is expected that the SnO2 nanoparticles have the potential to replace conventional graphite anodes in lithium-ion cells [4]. In sensor research, many semiconducting metal oxides are used of which tin dioxide is the

Nanostructure sensitization of transition metal oxides for visible-light photocatalysis

• Hongjun Chen and
• Lianzhou Wang

Beilstein J. Nanotechnol. 2014, 5, 696–710, doi:10.3762/bjnano.5.82

• photosensitization of nanoporous titanium dioxide, zinc oxide, tin dioxide, niobium oxide, and tantalum oxide by quantum-sized cadmium sulfide, lead sulfide, silver sulfide, antimony sulfide, and bismuth sulfide. They found that the photocurrent quantum yields of these photosensitized transition metal oxides can be