Growth and p doping of zinc oxide nanostructures and films in aqueous solution

... Considering that theory favors group I elements as acceptors, and the recent report of successful p- type doping using Na using PLD [46] and the processing advantages of doping in solution phase, ... morphology using a multi-step growth approach 94 6.4 6.5 Effect of electric field on the growth and doping of ZnO films in solution 98 6.6 Effect of annealing...

Ngày tải lên: 14/09/2015, 08:26

... chemical synthesis commonly used for nanostructures such as powders, films, fibers, and monoliths.28 Typical sol–gel process involves hydrolysis and condensation of metal alkoxides and metal ... 73 (2009) 24 Chapter 2: Synthesis and Characterization Wee Rui Qi Chapter 2: Synthesis and Characterization 2.1 Fabrication of Samples 2.1.1 Sputtering of Zn and ZnO Thin F...

Ngày tải lên: 02/10/2015, 17:14

... nanostructures Issues of synthesis methods, structural, electrical, optical, magnetic and gas sensing properties are summarized Synthesis of ZnO Nanostructures 2.1 Vapor Transport Synthesis The most ... to the vapor transport synthesis of ZnO nanostructure, and also employ less rigorous synthesis conditions and provide great potential for device applications Physical Proper...

Ngày tải lên: 28/04/2014, 15:06

... substrates by hydrothermal process after 10 h of growth The precursor solution (equimolar concentration of Zn(NO3)2 and hexamine) was changed every h during the growth process; (a) mM of Zn2+, (b) mM of ... concentration of Zn(NO3)2 and hexamine) was changed every h during the growth process; (a) mM of Zn2+, (b) mM of Zn2+ and (c) 10 mM of Zn2+ Table Summary of...

Ngày tải lên: 06/05/2014, 13:23

... Properties and Sensor Performance of Zinc Oxide Thin Films by Yongki Min Submitted to the Department of Materials Science and Engineering on August 21, 2003 in Partial Fulfillment of the ... Education 2003 - Ph.D., Materials Science and Engineering, MIT, Cambridge, MA, USA Thesis title: Properties and Sensor Performance of Zinc Oxide Thin Films 1990...

Ngày tải lên: 28/05/2014, 14:44

... Thin Solid Films 1997, 295:104-106 doi:10.1186/1556-276X-6-568 Cite this article as: Pedersen et al.: Direct Synthesis and Characterization of Optically Transparent Conformal Zinc Oxide Nanocrystalline ... performance nanocrystalline ZnO:Ga films deposited by plasmaenhanced chemical vapor deposition Thin Solid Films 2005, 473:35-40 36 Cebulla R, Wendt R, El...

Ngày tải lên: 20/06/2014, 22:20

... Case of iron nanoparticles J Appl Phys 2010, 107:014906 doi:10.1186/1556-276X-6-166 Cite this article as: Govender et al.: Formation of tungsten oxide nanostructures by laser pyrolysis: stars, fibres ... growth of nanowires of tungsten trioxide and platinum, respectively Since the tungsten trioxide nanowires were grown with a low precursor concentration using a...

Ngày tải lên: 21/06/2014, 05:20

... IONP@PC and IONP@mC-600 Insets of C and F: SAED patterns of IONP@PC and IONP@mC-600 95 Figure 6-4: Particle size distributions of (A) IONP@PC and (B) IONP@mC-600 96 Figure 6-5 TEM images of IONP@mC-600 ... iron oxides and lithium was in the 1980s.[51] However, the nature of the reaction was not clear until J M Tarascon and his coworkers reported the conversion reaction...

Ngày tải lên: 10/09/2015, 09:30

... presence of C2H2 The denitrifying fungi predominantly produced N2O as the final product as well as those of pure strains The denitrifying bacteria produced N2O as a transient intermediate and the final ... enrich denitrifying fungi All bacteria and fungi not have denitrification activities Consequently, species and strains of denitrifying fungi were not identified,...

Ngày tải lên: 05/09/2013, 08:40

... surface and the consequent effect on the structure of the protein Towards achieving this goal we studied the effect of ZnO NPs on the structure of ToxRp, alone and in the presence of denaturing ... changes of the ToxRp protein of V cholerae Based on the thermodynamic parameters of binding one can speculate on the nature of the interact...

Ngày tải lên: 23/03/2014, 03:20

... calculated quantities, Thin Solid Films 313314 (1998) 33 [6] R Swanepoel, Ellipsometry data for some thin film samples, J Phys E: Sci Instrum., 16 (1983) 1215 [7] Jobin-Yvon, Horiba Group Ellipsometry ... conditions (e.g the angle of polarization mirrors and modulators) and parameters of film (∆, Ψ) The measurement configuration is chosen for the purpose of simplifying the c...

Ngày tải lên: 28/03/2014, 13:20

... 86, 011118 (2005) Ultraviolet amplified spontaneous emission from self- organized network of zinc oxide nanofibers C X Xu,a) X W Sun,b) Clement Yuen, B J Chen, and S F Yu School of Electric and Electronic ... taken from different parts of a nanowhisker as inserted between Figs 2(c) and 2(d) The lattice fringes of the stem with the d spacing of 0.26 nm match the inte...

Ngày tải lên: 18/05/2014, 11:29

... Zn(CH3COO)2·2H2O ZnSO4·7H2O 3.6:1.0 3.2:1.0 Micro-tubes Micro-tubes Micro-tubes Micro-tubes 2.8:1.0 Micro-tubes Micro-tubes 2.4:1.0 Micro-tubes Micro-tubes 2.0:1.0 Micro-tubes Micro-tubes 1.6:1.0 Irregular ... anodization of titanium thin films Adv Funct Mater 2005, 15:1291-1296 doi:10.1186/1556-276X-6-491 Cite this article as: Yang et al.: NH4+ directed assembly of zinc...

Ngày tải lên: 21/06/2014, 01:20

... non-toxic, and mass production route for the synthesis of other functional oxide materials Experimental Preparation of NiO Nanostructures In a typical synthesis, appropriate amount of nickel powder was ... plays an essential role in the precursor material transformation because the vapor pressure is much higher and the state of water at elevated temperatures i...

Ngày tải lên: 22/06/2014, 01:20