H2 and CO2 uptake for hydrogen titanate (H2Ti3O7) nanotubes and nanorods at ambient temperature and pressure

CO₂ Chemical Conversion Using Catalytics Systems Based on Titanate Nanotubes

“…The disappearance of walls is because of the use of an acid medium for the exchange of [Na + ] by [H + ] which promotes a decrease in the crystallinity of the nanostructure. This behavior is similar to data found in the literature [22].…”

Evaluation of Sodium/Protonated Titanate Nanotubes Catalysts in Virgin and Post Consumer PET Depolymerization

“…5). Besides that, its observed that NaTNT presented a tubular morphology more defined, making possible the visualization of internal walls, while HTNT presented a roughness in the surface and a lower crystallinity similar to find in the literature [50,51]. Figure 6 shows the XRD and Raman results obtained for NaTNT and HTNT nanostructures.…”

Synthesis of ordered Ca- and Li-doped mesoporous silicas for H2 and CO2 adsorption at ambient temperature and pressure

“…High gas adsorption (especially for H 2 gas) at normal temperature can be attributed to the presence of Lewis basic metal ions in the silica mesostructures as well as the adsorption experiments carried out in mixed flow with N 2 gas, which plays a crucial role in creating a hydrophobic non-polar environment suitable for H 2 adsorption. 16 A comparison of the adsorption capacity of the Ca-doped silica (CHMS-5) sample with other adsorbents from the literature is shown in Table 5 . It is clear that our material is highly economic as an adsorbent for both CO 2 and H 2 under ambient conditions compared to other reported adsorbents.…”

“…Very recently, Cho et al reported the synthesis of thermally stable hydrogen titanate (H 2 Ti 3 O 7 ) nanotubes with nanopores to analyze their adsorption performance for H 2 and CO 2 gases. 16 …”