Synthesis of single crystalline sub-micron rutile TiO<sub>2</sub> rods using hydrothermal treatment in acidic media

Leidich, Patrick; Linker, Olga; Panthöfer, Martin; Tremel, Wolfgang

doi:10.1039/c4ce00971a

Cited by 10 publications

(4 citation statements)

References 69 publications

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“…The particle diameters and length can be seen to fit a Gaussian distribution with a mean of 12.5 ± 2.5 nm and 40.7 ± 10.1 nm, respectively (Figure B,C). The TiO 2 nanocrystals with similar rod‐like morphology have been also observed in others previous studies …”

Section: Resultssupporting

confidence: 86%

“…The crystallinity degrees of the PHBV with TiO 2 (in the second run) have lower values (38,34, and 31%) of crystallinity than the mat of neat PHBV (40%). This behavior was similar to analyzed from the first run.…”

Section: Dsc Resultsmentioning

confidence: 92%

“…The TiO 2 nanocrystals with similar rod-like morphology have been also observed in others previous studies. [33,34] Titanium dioxide is a polymorphous material and has three differ-…”

Section: Tio 2 Nanoparticles Characterizationmentioning

confidence: 99%

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PHBV‐TiO₂ mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

et al. 2018

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One of the most important challenges in tissue engineering research is the development of biomimetic materials. In this present study, we have investigated the effect of the titanium dioxide (TiO ) nanoparticles on the properties of electrospun mats of poly (hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), to be used as scaffold. The morphology of electrospun fibers was observed by scanning electron microscopy (SEM). Both pure PHBV and nanocomposites fibers were smooth and uniform. However, there was an increase in fiber diameter with the increase of TiO concentration. Thermal properties of PHBV and nanocomposite mats were characterized by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). DSC analysis showed that the crystallization temperature for PHBV shifts to higher temperature in the presence of the nanoparticles, indicating that TiO nanoparticles change the process of crystallization of PHBV due to heterogeneous nucleation effect. TGA showed that in the presence of the nanoparticles, the curves are shifted to lower temperatures indicating a decreasing in thermal stability of nanocomposites compared to pure PHBV. To produce scaffolds for tissue engineering, it is important to evaluate the biocompatibility of the material. Cytotoxicity assay showed that TiO nanoparticles were not cytotoxic for cells at the concentration used to synthesize the mats. The proliferation of cells on the mats was evaluated by the MTT assay. Results showed that the nanocomposite samples increased cell proliferation compared to the pure PHBV. These results indicate that continuous electrospun fibrous scaffolds may be a good substrate for tissue regeneration.

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Section: Resultssupporting

confidence: 86%

Section: Dsc Resultsmentioning

confidence: 92%

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PHBV‐TiO₂ mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

et al. 2018

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“…[21][22][23][24][25] As typical TiO 2 materials, the one-dimensional TiO 2 materials have been extensively studied. Currently, the main methods for the preparation of the one-dimensional TiO 2 nanomaterials include hydrothermal, 26,27 anodic oxidation 28,29 and template method, 30 among which the hydrothermal method is the most commonly used. On the one hand, the hydrothermal method can directly grow one-dimensional TiO 2 nanomaterials on a conductive substrate, which are rmly combined with the substrate and well oriented.…”

Section: Introductionmentioning

confidence: 99%

Enhanced photoelectrochemical performance of TiO₂ nanorod array films based on TiO₂ compact layers synthesized by a two-step method

Deng

Ren

et al. 2019

RSC Adv.

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An innovative two-step method perfectly prepared TCLs with different thicknesses, and then the TNA films based on TCLs were successfully prepared. The effects of different thicknesses of TCLs on the morphology and photoelectrochemical performance of TNA films were investigated. The results indicated that TCLs with appropriate thickness could effectively improve the morphology and photoelectrochemical performance of TNA films. Compared with the TNA films based on TCL 5 , TCL 10 and TCL 30 , the TNA film based on TCL 20 exhibited more ideal and comprehensive photoelectrochemical performance. Moreover, dye-sensitized solar cells (DSSCs) based on this TNA film achieved the highest J sc (10.2054 mA cm À2 ), V oc (0.5737 V), PCE (3.3%) and P out (3.31 mW cm À2 ).

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Improved photoelectric performance of DSSCs based on TiO2 nanorod array/Ni-doped TiO2 compact layer composites film

Deng

Ren

et al. 2019

J Solid State Electrochem

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Synthesis of single crystalline sub-micron rutile TiO₂ rods using hydrothermal treatment in acidic media

Abstract: We describe the growth mechanism of single-crystalline rutile rods with tuneable size from fused titania.

Cited by 10 publications

References 69 publications

PHBV‐TiO₂ mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

PHBV‐TiO₂ mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

Enhanced photoelectrochemical performance of TiO₂ nanorod array films based on TiO₂ compact layers synthesized by a two-step method

Improved photoelectric performance of DSSCs based on TiO2 nanorod array/Ni-doped TiO2 compact layer composites film

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Synthesis of single crystalline sub-micron rutile TiO2 rods using hydrothermal treatment in acidic media

Abstract: We describe the growth mechanism of single-crystalline rutile rods with tuneable size from fused titania.

Cited by 10 publications

References 69 publications

PHBV‐TiO2 mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

PHBV‐TiO2 mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

Enhanced photoelectrochemical performance of TiO2 nanorod array films based on TiO2 compact layers synthesized by a two-step method

Improved photoelectric performance of DSSCs based on TiO2 nanorod array/Ni-doped TiO2 compact layer composites film

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Product

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Synthesis of single crystalline sub-micron rutile TiO₂ rods using hydrothermal treatment in acidic media

PHBV‐TiO₂ mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

PHBV‐TiO₂ mats prepared by electrospinning technique: Physico‐chemical properties and cytocompatibility

Enhanced photoelectrochemical performance of TiO₂ nanorod array films based on TiO₂ compact layers synthesized by a two-step method