Templated synthesis of TiO2 nanotube macrostructures and their photocatalytic properties

Li, Hongbian; Zhou, Qiongjie; Gao, Yuntian; Gui, Xuchun; Yang, Long; Du, Mingde; Shi, Enzheng; Shi, Jidong; Cao, Anyuan; Fang, Ying

doi:10.1007/s12274-014-0571-3

Cited by 34 publications

(18 citation statements)

References 24 publications

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“…Porous nanorods/nanowires/nanotubes L/T [131,132,[135][136][137]161,349,350] SiO 2 Porous nanowire arrays T [145] TiO 2 Porous nanowires/nanoneedles/nanotubes E/L/T [76,89,97,110,134,154,351] GaN Porous nanowires CD [170] Co(OH) 2 Mesoporous nanowires/urchin-like ordered arrays of mesoporous nanowires T/L [194,364] Ni(OH) 2 (Figure 2h). In this process, the nanowire precursors were placed in a furnace and preheated to 300 °C in air.…”

Section: Methodsmentioning

confidence: 99%

“…A silica coating was grown on CNT by hydrolyzing tetraethyl orthosilicate. Metal oxide nanotubes such as LiMn 2 O 4 , [153] TiO 2 , [154] and In 2 O 3 , [155] can also be obtained after removing CNT templates from the initial composites. The final CNT@Ni 3 S 2 product was obtained by the transformation of Ni 3 Si 2 O 5 (OH) 4 to Ni 3 S 2 and elimination of the silica layer ( Figure 10b).…”

Section: Oriented Template Methodsmentioning

confidence: 99%

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Porous One‐Dimensional Nanomaterials: Design, Fabrication and Applications in Electrochemical Energy Storage

Wei

Xiong²,

Shi³

et al. 2017

Advanced Materials

696

385

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Electrochemical energy storage technology is of critical importance for portable electronics, transportation and large-scale energy storage systems. There is a growing demand for energy storage devices with high energy and high power densities, long-term stability, safety and low cost. To achieve these requirements, novel design structures and high performance electrode materials are needed. Porous 1D nanomaterials which combine the advantages of 1D nanoarchitectures and porous structures have had a significant impact in the field of electrochemical energy storage. This review presents an overview of porous 1D nanostructure research, from the synthesis by bottom-up and top-down approaches with rational and controllable structures, to several important electrochemical energy storage applications including lithium-ion batteries, sodium-ion batteries, lithium-sulfur batteries, lithium-oxygen batteries and supercapacitors. Highlights of porous 1D nanostructures are described throughout the review and directions for future research in the field are discussed at the end.

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Section: Methodsmentioning

confidence: 99%

Section: Oriented Template Methodsmentioning

confidence: 99%

Porous One‐Dimensional Nanomaterials: Design, Fabrication and Applications in Electrochemical Energy Storage

Wei

Xiong²,

Shi³

et al. 2017

Advanced Materials

696

385

View full text Add to dashboard Cite

show abstract

“…[ 45,47,[164][165][166][167] Several advantages include: fi rst, the high specifi c surface area offers abundant active sites; second, highly conductive CNT networks boost reaction kinetics; fi nally, the mechanical and chemical stability lead to longer cycle life. [ 45,47,[164][165][166][167] Several advantages include: fi rst, the high specifi c surface area offers abundant active sites; second, highly conductive CNT networks boost reaction kinetics; fi nally, the mechanical and chemical stability lead to longer cycle life.…”

Section: Catalysismentioning

confidence: 99%

“…Macroscopic CNT‐based materials are promising materials for catalysis, acting either as catalyst themselves or as skeletons for loading selected catalyst . Several advantages include: first, the high specific surface area offers abundant active sites; second, highly conductive CNT networks boost reaction kinetics; finally, the mechanical and chemical stability lead to longer cycle life.…”

Section: Energy and Environmental Applications Of Cnt Spongesmentioning

confidence: 99%

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Carbon Nanotube Sponges, Aerogels, and Hierarchical Composites: Synthesis, Properties, and Energy Applications

Lin

Zeng

Gui

et al. 2016

Advanced Energy Materials

Self Cite

205

105

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Carbon nanotube (CNT) aerogels and sponges are macroscopic porous materials with a unique isotropic structure. CNTs make an interconnected 3D scaffold, therefore the resulting aerogels are robust, highly conductive, and flexible, enabling a much broader range of applications than aligned arrays and thin films, especially in energy and environmental areas. A comprehensive overview of the recent progress in isotropic CNT‐based macroscopic structures is provided, including their synthesis methods, structural characteristics, mechanical properties, and deformation mechanism, as well as potential applications in energy and environmental fields. In particular, this study focuses on the CNT sponges developed, which are high‐performance porous materials with many distinct properties such as their versatile deformations and shape recovery. Importantly, the CNT sponges provide a universal platform for designing and manufacturing a variety of hierarchical functional composites by introducing polymers or inorganic guests, thus greatly extend application areas from highly compressible electrodes for supercapacitors and batteries, catalysis, to environmental cleanup. Future research directions and associated challenges in this field are proposed.

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Biopolymer‐Templated Deposition of Ordered and Polymorph Titanium Dioxide Thin Films for Improved Surface‐Enhanced Raman Scattering Sensitivity

Chen

Betker

Harder

et al. 2021

Adv Funct Materials

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Titanium dioxide (TiO 2 ) is an excellent candidate material for semiconductor metal oxide-based substrates for surface-enhanced Raman scattering (SERS). Biotemplated fabrication of TiO 2 thin films with a 3D network is a promising route for effectively transferring the morphology and ordering of the template into the TiO 2 layer. The control over the crystallinity of TiO 2 remains a challenge due to the low thermal stability of biopolymers. Here is reported a novel strategy of the cellulose nanofibril (CNF)-directed assembly of TiO 2 /CNF thin films with tailored morphology and crystallinity as SERS substrates. Polymorphous TiO 2 /CNF thin films with well-defined morphology are obtained by combining atomic layer deposition and thermal annealing. A high enhancement factor of 1.79 × 10 6 in terms of semiconductor metal oxide nanomaterial (SMON)-based SERS substrates is obtained from the annealed TiO 2 /CNF thin films with a TiO 2 layer thickness of 10 nm fabricated on indium tin oxide (ITO), when probed by 4-mercaptobenzoic acid molecules. Common SERS probes down to 10 nm can be detected on these TiO 2 /CNF substrates, indicating superior sensitivity of TiO 2 /CNF thin films among SMON SERS substrates. This improvement in SERS sensitivity is realized through a cooperative modulation of the template morphology of the CNF network and the crystalline state of TiO 2 .

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Templated synthesis of TiO2 nanotube macrostructures and their photocatalytic properties

Cited by 34 publications

References 24 publications

Porous One‐Dimensional Nanomaterials: Design, Fabrication and Applications in Electrochemical Energy Storage

Porous One‐Dimensional Nanomaterials: Design, Fabrication and Applications in Electrochemical Energy Storage

Carbon Nanotube Sponges, Aerogels, and Hierarchical Composites: Synthesis, Properties, and Energy Applications

Biopolymer‐Templated Deposition of Ordered and Polymorph Titanium Dioxide Thin Films for Improved Surface‐Enhanced Raman Scattering Sensitivity

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