A self-powered photoelectrochemical aptamer probe for oxytetracycline based on the use of a NiO nanocrystal/g-C3N4 heterojunction

Preparation of Bi/BiOBr sensitized titania nanorod arrays via a one-pot solvothermal method and construction of kanamycin photoelectrochemical aptasensors

“…In addition, the energy of the optical bandgap can be estimated by using eqn (1): 52 ( αhv ) 1/2 = A ( hv − E g )where A , α , hv and E g are constants, absorption coefficients, photon energies, and band gaps, respectively. 53 As shown in Fig. 4b, the E g values of the TiO 2 NRA, BiOBr/TiO 2 NRA, and Bi/BiOBr/TiO 2 NRA are 3.20, 2.98, and 2.81 eV, respectively, in which the E g value of BiOBr is 2.9 eV (see the ESI, Fig.…”

Atomically dispersed Mn boosting photoelectrochemical SARS-CoV-2 spike protein immunosensing on carbon nitride

“…More concretely, two peaks at 284.5 and 288.0 eV correspond to C–C/C=C and N–C=N species in the C1s spectrum ( Fig. 1 d ) [40] . The observed peak at 286.0 eV is attributed to the carbon connected to the amino group (C–NH x ) and C=N [38] , which echoes the result of the FT-IR spectra.…”

Z-scheme NiO/g-C3N4 nanocomposites prepared using phyto-mediated nickel nanoparticles for the efficient photocatalytic degradation

“…10 a, the PL spectrum of the samples are in following order C 3 N 4 > NiO NPs > NiO/g-C 3 N 4 with the strong peak around 470 nm. The data suggest that NiO/g-C 3 N 4 has a longest lifetime of photogenerated carriers or the lowest recombination rate compared to C 3 N 4 and NiO [ 32 ]. In addition, to strengthened that this is related with the improved photocatalytic activities of NiO/g-C 3 N 4 , the Nyquist plots from EIS measurement ( Fig.…”