- Trang chủ >
- Khoa Học Tự Nhiên >
- Vật lý >
synthesis and optical properties of au-ag alloy nanoclusters with controlled composition, p26
synthesis and optical properties of au-ag alloy nanoclusters with controlled composition, p26
... Along with the Au and Ag emission peaks, there appeared carbon, oxygen and copper 20 nm 20 nm a b Synthesis and Optical Properties of Au-Ag Alloy Nanoclusters with Controlled Composition ... homogeneous Au/Ag alloy ones and the novel absorption bands are attributed to the SPR bands of Au-Ag alloy nanoparticles. Figure 2. Optical absorption spectra of bimetallic ... Biosynthesis of Bimetallic Au-Ag Alloy Nanoparticles”, Small, Vol. 1, pp 517-520, 2005. [25 P. Raveendran, J. Fu, and S. L. Wallen, “A simple and green method for the synthesis of Au, Ag, and...
- 26
- 452
- 0
synthesis and optical properties of colloidal tungsten oxide nanorods
... Comparing the intensities of the (010) and (014) peaks of the sample with those of the bulk W18O49, it was found that the relative intensity of (010) has been dramatically increased ... nm), and the intensity of this peak increases relative to that of UV emissionas the length of nanorods increases. A similar PL pattern with twoemission maxima, yet at much lower energies of 2.8 ... states in the band gap due to impurities.22bIn light of these assignments, we suggest that the UV emission of nanorod samples in this work might correspond to the band-to-band transition....
- 2
- 527
- 0
Báo cáo hóa học: " Synthesis, magnetic and optical properties of core/shell Co1-xZnxFe2O4/SiO2 nanoparticles" pot
... on the magnetic and optical properties of the ferrite nanoparticles for a variety of magneto -optical nanodevice applications. From a synthesis point of viewexploring the effect of firing temperatures ... conjugate itssurface with various functional group s [32,33]. Also, thesilica shell can enhance the optical properties of the nano-particles [34]. The optical properties of the nanostructureshave ... Access Synthesis, magnetic and optical properties of core/shell Co1-xZnxFe2O4/SiO2nanoparticlesEmad Girgis1,4*, Mohamed MS Wahsh2, Atef GM Othman2, Lokeshwar Bandhu3 and KV...
- 8
- 489
- 0
Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
... effects of size and shape of Si-nc on theincorporation of group-III (B and Al), group-IV (C and Ge) and group-V (N and P) impurities. Single-doping has been investigatedboth in spherical and faceted-like ... found that the band-gap of the codoped Si-nc is reduced with respect to the gap of the pureones showing the possibility of an impurity-based engineering of the optical properties of Si-nc. Here, ... insertion of more impurities (multidoping). Finally, wehave studied the effect of B and P codoping on the electronic and optical properties of Si nanowires, thusinvestigating the role of dimensionality....
- 8
- 1,024
- 0
Báo cáo " Synthesis and thermoelectric properties of La(Fe1-xSix)13 compounds (x = 0.12, 0.14 and 0.15) " pptx
... the appropriate amounts of high purity of La with 99.9%, Fe with 99.99% and Si with 99.999% in purified Ar atmosphere. The ingots were sealed into evacuated tubes and the heat treatment for ... (K) TC VNU Journal of Science, Mathematics - Physics 25 (2009) 193-197 193 Synthesis and thermoelectric properties of La(Fe1-xSix)13 compounds (x = 0.12, 0.14 and 0.15) Do Thi Kim ... crystal structure and thermoelectric properties of La(Fe1-xSix)13 compounds were investigated by means of X-ray powder diffraction and electrical resistivity, thermopower and thermal conductivity...
- 5
- 511
- 0
fabrication and optical properties of ordered sea urchin-like zno
... Lia, Difa XubaDepartment of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha 410114, ChinabDepartment of Science and Technology, Changsha University, ... [11,12], and hedgehog-like ZnO [13]. Thesestructures have 1D nanoscale with 3D architectures combining properties of 3D and 1D materials, which may be used as aninteresting alternative with higher ... image, HRTEM image and SAED pattern of the sea urchin-like ZnO nanostructures are presented in Fig. 2.Fig. 2a and b displays the low magnification and high magnifica-tion SEM images of the sea urchin-like...
- 3
- 376
- 0
Báo cáo toán học: " The structural and optical properties of GaSb/InGaAs type- quantum dots grown on InP (100) substrate" ppt
... GaSb/In0.53Ga0.47As QDs and histogram of the height of GaSb/In0.53Ga0.47As QDs. (a) The AFM image of GaSb/In0.53Ga0.47As QDs, (b) histogram of the height of GaSb/In0.53Ga0.47As QDs, and (c) the ... excitation powers and the fitting curve of the peak energies with the third root of the excitation power. Figure 4. Schematic band diagrams. (a) Bulk GaSb/InGaAs heterostructures and (b) GaSb/InGaAs ... dependence of the PL peak energies over the third root of the excitation density [20]. The inset of Figure 3b shows the linear dependence of the PL peak energies and the third root of the excitation...
- 12
- 579
- 0
Báo cáo toán học: " Structural and optical properties of ZnS thin films deposited by RF magnetron sputtering" potx
... ion of the sputtered atoms, thus form-ing a denser film with larger grains and lower defects. Optical properties The optical transmittance spectra in the wavelength range of 200 to 1,100 nm of ... absorbers hav ing energy band gaps inthe range of 1.3 to 1.5 eV compared with CdS and havinga wider energy band gap compared with CdS, which trans-mits even higher energy photons and increases the ... temperatures. The films formed at 350°Cexhibited good optical properties with a relatively hightransmittance of 80% in t he visible region, and theenergy band gap is estimated to be 3.79 eV.AcknowledgementsThis...
- 7
- 521
- 0
Báo cáo hóa học: " Synthesis and magnetic properties of Zr doped ZnO Nanoparticles" docx
... experiment and theroy, such as, Mn[5,6], Gd [7], and Cr [8,9]. Compared with GaN, ZnOhas a lot of outs tanding superiorities, as is known to all,which has a wide band-gap (3.37 eV at RT) and a ... content of Zr, and decreases continuouslyas the i ncrease of the doping Zr content through themagnetic measurement at RT. Combining with theresults of Raman and XPS, we suppose that the FM of the ... DG and DX made the conception and design of the manuscript. ZZ2 carried out the XPS measurements and dataanalysis. JLZ and ZZ1 participated in the XRD measurements and dataanalysis. GY and...
- 7
- 489
- 0
Từ khóa: synthesis and electrochemical performance of lifepo4 by solgel methodsynthesis and electrochemical performance of graphenepolyanilinesynthesis and electrochemical performance of graphenelike ws2electrochemical preparation and properties of novelnature and properties of icenature and properties of microorganismsBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThơ nôm tứ tuyệt trào phúng hồ xuân hươngSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMMÔN TRUYỀN THÔNG MARKETING TÍCH HỢPTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ