XRD patterns of ZnO-C, MnO2, and ZnO-C/MnO2.
Figure 1 is the X-ray diffraction (XRD) pattern of ZnO-C nanospheres, MnO2 nanowires, and ZnO-C/MnO2 heterojunction. Determine the crystal form of powder material according to Joint Committee on ...
Figure 1 is the X-ray diffraction (XRD) pattern of ZnO-C nanospheres, MnO2 nanowires, and ZnO-C/MnO2 heterojunction. Determine the crystal form of powder material according to Joint Committee on ...
Download scientific diagram | XRD pattern of CuO nanomaterials from publication: STRUCTURAL ANALYSIS OF CuO NANOMATERIALS PREPARED BY NOVEL MICROWAVE ASSISTED METHOD | Nanotechnology research is ...
In the present work, to develop the ZnO/CuO photocatalysts, CuO was embedded on the surface of a porous ZnO photocatalyst. This process can include the synthesis and transformation of inorganic-organic ZnS(en) 0.5 hybrid material into ZnO porous material via thermal heat treatment. Furthermore, a microwave-assisted synthesis approach was used for …
ZnO nanorod arrays were grown on ITO glass by a hydrothermal method. As shown in Fig. S2 in the ESI, † the color of the ZnO nanorod arrays on ITO glass changed from gray to black a er the cation ...
Хяналт нь байгууллагын зорилгыг жигд тасралтгүй хэрэгжүүлэхэд тус дөхөм үзүүлдэг үйл явц юм. Хяналтын үйл явцыг зөв зохион байгуулснаар аливаа нэг асуудал үүсэн томорч, шийдэгдэхгүй ...
The XRD pattern (Fig. S2) shows the presence of CuO and ZnO in the catalyst, and visible characteristic peaks corresponding to carbon and Al 2 O 3 were also observed [17]. The XRF analysis (inset ...
The X-ray diffraction (XRD) analysis indicated that all prepared films have polycrystalline structure and the phase change from ZnO hexagonal wurtzite to CuO …
Abbreviations: XRD, X-ray diffraction; GK, gum karaya; CuO, copper oxide. from publication: Green synthesis of copper oxide nanoparticles using gum karaya as a biotemplate and their antibacterial ...
A series of CuO–ZnO–Al2O3/HZSM-5 hybrid catalysts with different Cu/Zn ratios and disparate Al2O3 doping were prepared and characterized by XRD, BET, H2-TPR, NH3-TPD and XPS techniques.
The construction of n–p-type composites between n-type ZnO and p-type CuO, where electrons move from n-type ZnO to p-type CuO while the holes transfer conversely from CuO to ZnO until the system obtains equalization at the Fermi level, results in the formation of a hole depletion layer that promotes the quantity of the chemisorbed oxygen species.
Download scientific diagram | XRD spectra of a CuO (i), ZnO (ii), Cu/Cu2O (iii) and Cu/Cu2O/CuO/ZnO (iv) and b the as-prepared ternary nanocomposites at different calcination temperatures from ...
Copper sulfate was used as a precursor to prepare CuO nanoparticles in reverse micelles (o/w microemulsion). This is a technique which allows the preparation of ultrafine metal oxide nanoparticles ...
We synthesized ZnO, CuO, Cu doped ZnO with 1, 2 and 3 wt %, and for Cu additions at 6, 8, 10, 15, 30 and 50 wt% this resulted in ZnO–CuO composites with different …
Экзоген үйл явц - Download as a PDF or view online for free. Submit Search. Экзоген үйл явц. Apr 30, 2011 • Download as PPT, PDF • 1 like • 7,615 views. Tsedev Bat-erdene Follow. 1 of 90. Download now Downloaded 72 times. Recommended ...
In this report, ZnO nanoparticles (NPs) was synthesized by chemical method using Zinc Acetate dehydrate [Zn (CH3COO)2.2H2O)] as precursors and Ethanol and distilled water as solvent. …
In this work, ZnO semiconductor nanoparticles were synthesized by using different concentrations of Citrus microcarpa extract 1%, 2%, and 4% w/v (weight/volume), which have organic contents that ...
All diffraction peaks were in good agreement with the hexagonal wurtzite phase of ZnO (JCPDS No. 36-1451) [16] and Monoclinic CuO (JCPDS No. 48-1548) structure[17].Figure 2exhibits XRD patterns of ...
Энэ нь бага, дунд, дээд, дөрөвдөгч юм ... Бөмбөлөгт тээрэмNanomaterials: a review of synthesis methods, properties, … Nanomaterials have emerged as an amazing class of materials that consists of a broad spectrum of examples with at least one dimension in the range of 1 to 100 nm. …
The biogenic synthesis of CuO and ZnO nanoparticles was confirmed by X-ray diffraction (XRD) analysis (Figure 1 The average grain size of the CuO and ZnO was calculated from the full width at half ...
Download scientific diagram | XRD of CuO nanoparticles from publication: Synthesis and optical characterization of copper oxide nanoparticles | Copper oxide (CuO) nanoparticles are synthesized by ...
Comprehensive analysis of structural and optical properties involved using various analytical techniques such as XRD, FT-IR, XPS, UV-DRS, PL, FE-SEM, EDAX, TEM, SAED, …
XRD characterization depicts the formation of hexagonal and monoclinic structures of ZnO and CuO, respectively. SEM studies of the nanocomposites show that ZnO has sheet-like design while CuO...
Гэвч 2005 оны 1 дүгээр сарын 1-ний өдөр АНУ, Европын холбооны улсаас зарим улсуудын оёмол, сүлжмэл бүтээгдэхүүний экспортод тогтоож байсан квотыг бүрэн халах шилжилтийн үйл явц дуусгавар ...
The smaller dislocation density for pristine ZnO (1.1062 × 10 −3 nm 2 ) than Se/ZnO NPs (1.7868 × 10 −3 nm 2 ) is an indication of the higher crystallinity of the ZnO [27] as manifested by ...
X-ray diffraction (XRD) showed hexagonal and monoclinic crystalline phases for pure ZnO and CuO, respectively. Electron microscope images showed two-dimensional (2D) …
XRD pattern of ZnO powder sample is presented in Fig. 3, where the diffraction peaks corresponding to different ZnO atomic planes with full width at half maximum (FWHM) between [0.7°, 2.4°] are ...
Download Table | Chemical compositions and XRD phases of CuO/ZnO/Al 2 O 3 /ZrO 2 mixed catalysts from publication: XPS, XANES and EXAFS investigations of CuO/ZnO/Al2O3/ZrO2 mixed oxide catalysts ...
The morphological properties and crystalline structure of the ZnO/CuO nanocomposites were studied using the X-ray diffraction method (XRD, Philips with Cu Kα radiation, λ = 1.54 Å) and a field emission scanning electron …
A novel, scalable process to deposit nanostructures with multiscale 3D geometric shapes and its application in fabricating p–n heterojunctions with n‐type ZnO and p‐type CuO is demonstrated.
1. The prominent peaks observed in 2θ = 32, 34.5, 37, 47.5, 57, 63 and 69° confirmed the crystalline structure and hexagonal phase of zinc oxide NPs (JCPDS card 01-080-0075).
2.1 Materials. All the chemical reagents and solvents used in the present work for the preparation of nanocrystalline CuO/ZnO composite powders, including Zn(NO 3) 2 ⋅6H 2 O (zinc nitrate hexahydrate), Cu(NO 3) 2 ⋅3H 2 O (copper nitrate trihydrate), and C 4 H 11 NO 2 (diethanolamine, DEA) were of analytical grade, supplied by Ajax Finechem, and used as …
Шийдвэр гэж юу болох, шийдвэр гаргах үйл явц болон алхамууд, хэрхэн оновчтой шийдвэр гаргах талаар онолын түвшинд хийсэн илтгэл билээ. ... хувилбарын дундаас аль оновчтойг нь сонгон авах үйл ...
XRD revealed that the prepared CuO/ZnO exhibit a wurtzite ZnO crystal structure and the as-synthesized composites were composed of CuO and ZnO. The strong peaks of the Cu, Zn and O elements are ...
They observed that by inserting nanoparticle CuO/ZnO (Cu/ZnO = 7/3), photothermal conversion efficiencies in CuO nanofluid could be improved from 95% to 97.35% [30]. In Amjad et al. comparative ...