Improved photocurrent response, photostability and photocatalytic hydrogen generation ability of CdS nanoparticles in presence of mesoporous carbon

Electrochemical Detection of Chloramphenicol Using Metal Free Ordered Mesoporous Carbon

“…More specifically, a closer inspection (FESEM, Figure 3b) of the coiled structure reveals that each has stacks of a fine network of 3D channels as reported previously. [43,45,46] That CMK-3 has a fine thread-like internal network that acts as a passage for the diffusion of ions is well evident from the HRTEM image (Figure 4a). The CKT catalyst is also an assembly of fine sheet-like structures (SEM, Figure 3c) with the presence of porous surfaces (TEM, Figure 4b).…”

“…A relatively higher specific surface area and pore volume of 770.4 m 2 g À 1 and 0.984 cm 3 g À 1 , respectively, are observed for the CMK-3. [45] In comparison, CKT displays a specific surface area of 450.2 m 2 g À 1 with a reduced pore volume of 0.325 cm 3 g À 1 . These surface areas are very much higher in comparison to any other C 3 N 4 type carbon matrices, The presence of noodle-like structures in CMK-3 is observed in its SEM image.…”

Minutely dispersed ruthenium in tremella-like N-doped carbon for enhanced visible-light-driven photocatalytic hydrogen production by CdS quantum dots

“…When excited by 420 nm light, CdS shows a typical broad luminescence emission, while Ru/NC/CdS-5 shows a much weaker emission profile, owing to the more rapid charge transfer from CdS to Ru/NC. 54,55 In addition, the UV-vis DRS spectra of CdS and Ru/NC/CdS-5 show that the incorporation of Ru/NC significantly improves light absorption in the visible region (Fig. 5e).…”

Porous Inorganic Materials for Bioanalysis and Diagnostic Applications

“…117 In this regard, Biswas et al immobilized CdS nanoparticles in the pore channel of ordered mesoporous carbon, where the porous structure served as proper electron transfer pathways between donor and acceptor. 44 Photoelectrochemical measurements of the composites indicated higher response compared to pure CdS, benefiting from a porous carbon surface to facilitate electron mobility and prevent competing recombination process of the excitons. Similarly, an ethanol sensor was constructed by utilizing porous ZnO−SnO 2 −Zn 2 SnO 4 heterojunction nanofibers.…”

“…The other benefit of porous materials in constructing a high-performance photocatalytic sensor is the prohibition of electron–hole recombination with a well-designed host–guest energy/electron transport system. ,, Electrons and holes transfer easily between energy-level-matched components, thus making the composite porous materials suitable for charge separation and enhancing photocatalysis. − Mesopores with enhanced diffusion efficiency are considered favorable for guest molecules to enter and leave the mesochannel network . In this regard, Biswas et al immobilized CdS nanoparticles in the pore channel of ordered mesoporous carbon, where the porous structure served as proper electron transfer pathways between donor and acceptor . Photoelectrochemical measurements of the composites indicated higher response compared to pure CdS, benefiting from a porous carbon surface to facilitate electron mobility and prevent competing recombination process of the excitons.…”