Solvothermally synthesized anatase TiO2 nanoparticles for photoanodes in dye-sensitized solar cells

Enhanced performance by heteroatom‐doped reduced grapheneoxide‐TiO2‐based nanocomposites as photoanodes in dye‐sensitised solar cells

“…Raman spectroscopy was employed to investigate the crystallinity of the heteroatom-doped rGO-TiO 2 -based nanocomposites (Figure 3). The spectrum for pure TiO 2 shows distinct characteristic peaks at 142, 399, 521 and 640 cm À1 , which correspond to the E g(1) , B 1g(1) , (B 1g [2] + A 1g ) and E g(2) modes, respectively. 41,42 After integrating TiO 2 with heteroatom-doped rGO, the intensity of these peaks was reduced due to defects induced during nanocomposite formation.…”

“…In DSSCs, the primary factor controlling the PCE and electron flow is charge carrier recombination, which is the major drawback of nanostructured semiconductor materials, inferable from their surface defects 1 . Hence, various researchers have reported different approaches to restrict charge recombination and improve PCE 2,3 . Such approaches involve the use of nanocrystalline materials from zero‐dimensional (nanoparticles), 4 one‐dimensional nanostructures (such as nanowires, nanorods, and nanotubes), 5,6 and two‐dimensional nanostructures (nanosheets), 7 to suppress electron‐hole recombination.…”

“…1 Hence, various researchers have reported different approaches to restrict charge recombination and improve PCE. 2,3 Such approaches involve the use of nanocrystalline materials from zero-dimensional (nanoparticles), 4 one-dimensional nanostructures (such as nanowires, nanorods, and nanotubes), 5,6 and two-dimensional nanostructures (nanosheets), 7 to suppress electron-hole recombination.…”

General view of solar energy

“…No obstante, en la actualidad se han desarrollado avances en su construcción que utilizan materiales que absorben mejor la luz, permitiendo aumentar enormemente la eficiencia de éstas. Un material que se usa en la fabricación de celdas es el Dióxido de Titanio (T iO 2 ) [24].…”

Multivalent stimulation of β1-, but not β2-receptors by adrenaline functionalised gold nanoparticles

“…Nanoparticles (NPs) can have a large variety of possible applications reaching from dyes 1 and catalysts in industry, 2 over packing applications 3 or sensors in the food industry, 4 to tumour markers 5 or targeted pharmacotherapy in medicine. 6 Physicochemical properties of NPs differ from their bulk material and thus they are of high interest due to their unique magnetic, 7 optical 8 or mechanical properties.…”