Download scientific diagram | (a,b) UV–VIS diffuse reflectance spectroscopy (DRS) spectra for ZnO and the g-C3N4/ZnO samples, (c) the plots of (αhv)1/2 versus bandgap of ZnO nanorods and g-C3N4 ...

Download scientific diagram | UV−vis diffuse reflectance spectra of the (a) purchased microcrystalline cellulose (CMC) and their citric acid modification (CAC); (b) composites with different CAC ...

(a) Diffuse reflectance UV-Vis spectra and (b) plots of (Ahν)² vs.hν. "A" in the Y-axis title represents the absorbance, h represents the Planck constant, and ν represents the frequency ...

In addition, a weak peak centered at 464nm for the 20 mol% Eu doped ZnO sample was observed, which is assigned to the 7 F 0 → 5 D 2 transition 3+ of Eu as usually observed in the diffuse 3 ...

The Y2O3-ZnO complex oxides were characterized by X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, UV-vis diffuse reflectance spectroscopy, physisorption analyzer, and ...

Results of a) Diffuse reflectance and b) Kubelka-Munk plot for bandgap of ZnO and ZnO:Mg (1 and 2 at. %) deposits. Figure 4 a shows that ZnO deposits exhibit strong …

In this study, we have synthesized core/shell ZnO/Ag nanoparticles (NPs) via solution combustion method using Calotropis gigantea leaves extract as fuel and zinc nitrate hexahydrate Zn(NO)3·6H2O ...

The photocatalytic potency of spherical ZnO/ biochar and nanorod ZnO/biochar was explored by evaluating the photodegradation of under visible light irradiation. A tubular reactor (with 50 …

Optical and structural properties of the investigated matrix ZnO (1− x) SiO 2(x) system were characterized by various techniques such as X-ray analysis and UV–VIS–NIR absorption. The structural changes of the studied nano-matrix ZnO (1− x) SiO 2(x) with the concentration of nanosilica are checked by X-ray analysis measurement. The crystal …

The diffuse reflectance spectra of Fig. 4(b) were converted by Kubelka-Munk transformations into pseudo absorbance spectra (F(R)), which were then used in Tauc plots (ðF R ð Þ Ã EnergyÞ 1=2 ...

Download scientific diagram | UV–Visible diffuse reflectance spectra of ZnO SPs, several Au/ZnO SP composites and Au NPs from publication: Au Nanoparticles Supported Nanoporous ZnO Sphere for ...

Download scientific diagram | Diffuse reflectance spectra of ZrO2/ZnO heterostructures with different content of ZrO2 from publication: Microwave-synthesized ZrO2/ZnO heterostructures: fast and ...

Then, various ratios of ZnO and TiNTs from 0.1 to 0.5 were also prepared by hydrothermal method to form TiNTs-ZnO-X (TZ-X, X is equal to the ZnO/TiNTs weight ratio) composites, and 1 to 5 wt % of ...

In the field of photocatalysis, growth of ZnO films in the (002) plane is desirable because this plane exhibits preferential adsorption of O 2 and OH − ions, thus enhancing the photocatalytic ...

The diffuse reflectance UV–vis spectra of ZnO:Ce 0.0mol% (undoped ZnO) and Ce-doped ZnO samples at different cerium concentrations (0.3%, and 1.0 mol%) are shown in Fig. 3. Download: Download full-size image

UV-vis diffuse reflectance spectra (DRS) of the blank ZnO DB rod and RGO–ZnO nanocomposites (a); the plot of transformed Kubelka– Munk function versus the energy of light (b); photocatalytic ...

Download scientific diagram | UV–Vis diffuse reflectance spectra of ZnO, CeO2, 3% CeO2/ZnO and Pt/3%CeO2/ZnO from publication: Synthesis and Study on Photogenerated Charge Behavior of Novel Pt ...

Diffuse reflectance UV−visible spectra of ZSx composites are shown in Figure 6 a and compared with reference materials [ZnS, ZnO, and a physical mixture (ZnS−ZnO = 7:3)]. It is to be noted ...

The reflectance spectra of the batch 2 ZnO wafers implanted at room-temperature (RT) (solid lines) and low-temperature (LT) (dotted lines). The sharpness of the typical …

The ZnO nanoparticles were prepared by mechanical grinding method of the laboratory grade powder. X-ray diffraction (XRD), Transmission electron microscope (TEM), Diffuse reflectance spectra (DRS ...

(a) Diffuse reflectance spectra of Sb:ZnO nanocrystals, (b) Degradation rate of RhB with the presence of different Sb:ZnO under sunlight irradiation. Reproduced with permission from Nasser et al ...

UV-visible diffuse reflectance spectra of as-synthesized ZnO, and Zn(1.0cur)O nanostructures at room temperature. UV-visible absorption spectrum of curcumin in ethanol is shown for comparison.

The absorbance of the (a) UV-Vis diffuse reflectance spectrum, (b) Tauc plot for hematite thin films with different film thicknesses. ... Beside TiO 2 and ZnO-based multilayered thin film [36,37 ...

It can be seen from diffuse reflectance spectra that ZnO NCs have no absorption in the visible light due to its wide band gap while YAG:Ce/ZnO CSN have extended optical absorption in the 400-550 ...

Diffuse reflectance spectra with various curvatures in multiphase catalysts. This study provides a critical analysis on the use of diffuse reflectance spectroscopy and Tauc …

Download scientific diagram | (a) Diffused reflectance spectra of Ag/ZnO with various thicknesses. The two reflection bands at ∼362 nm (A) and ∼390−414 nm (B) are assigned to absorption. (b ...

Download scientific diagram | UV−vis diffuse reflectance spectra (DRS) of pure ZnO, pure g-C 3 N 4, and ZnO/g-C 3 N 4 . from publication: Photocatalytic Performance and Mechanistic Research of ...

UV-vis diffuse reflectance spectra was used to determine the optical properties of asprepared catalysts. According to Figure 4 (a), an absorption edge observed at 400 nm, demonstrating the...

In addition, a comparison of obtained results by these researches with several other materials based on ZnO: ZnO, Pt/ZnO-SiO 2, Fe 3 O 4, and Ag/ZnO is shown in Table 9.1 [126] [127] [128][129 ...

Download scientific diagram | UV-visible diffuse reflectance spectra (DRS) of ZnO and ZnO–RGO composites with different weight ratios of RGO (a), and the plot of transformed Kubelka–Munk ...

Diffuse reflectance measurement using an ultraviolet-visible (UV-vis) spectrophotometer is the commonest technique in determining the optical properties of rough-surface semiconductor …

The ZnO film prepared at the co‐doping percentage of 1% Ti and 1% Cu has high absorbance, high refractive index (2.09) and small band gap energy (3.37 eV) as compared to other doped films.

Download scientific diagram | (a) UV-Vis diffuse reflectance spectra of pure ZnO and different molar percentage of BiOI/ZnO samples; (b) plots of (í µí»¼ℎí µí±£) // from publication ...

Download scientific diagram | Tauc plot of diffuse reflectance ultraviolet-visible spectroscopy data for ZnO/SiO 2 . from publication: Nanoflower-like composites of ZnO/SiO2 Synthesized using ...

Diffuse reflectance spectra of as-grown (a), and annealed samples (b). Rev. Mex. Fı́s. S 53 (5) (2007) 18–22 USE OF DIFFUSE REFLECTANCE SPECTROSCOPY FOR OPTICAL CHARACTERIZATION OF UN-SUPPORTED NANOSTRUCTURES F IGURE 6. Kubelka-Munk transformed reflectance spectra of asgrown (a), and annealed samples (b).

In this study, ZnO nanorods have been synthesized by a simple precipitation technique with zinc nitrate as starting material in the presence of ammonium hydroxide followed by calcination at 450 ˚C.

UV-Visible Diffuse reflectance spectrum pure and Cedoped ZnO nanoparticles. Reprinted with permission from [129], C. Jayachandraiah, et al., Ce induced structural and optical properties of Ce ...

The NIR reflectance spectra of Dy 3+-doped ZnO pigment, have been recorded in the range from 200 nm to 2200 nm, as shown in Fig. 3.It provides comparative analysis on the NIR reflectance response of pure ZnO as well as Dy 3+-doped ZnO pigment synthesized by different methods.In DRS, the strong reflectance observed in the 1300–2100 nm range for …

UV-Vis absorption spectra of synthesized ZnO and ZnO/ ZnSe nano-heterostructures with different ZnSe to ZnO ratios (ZS-1, ZS-2 and ZS-3) are displayed in Figure 4.This UV-Visible absorbance was ...

Fig. 4 shows the diffuse reflectance spectrum of as-grown ZnO and its evolution with O 2 annealing. Here, a broad absorption band in the visible region and strong IR absorption were observed, with ...