inkjet printing fabrication and characterization of oleds

... Trang 1FABRICATION AND CHARACTERIZATION OF ULTRAFILTRATION AND NANOFILTRATION MEMBRANES WANG KAIYU (M Eng., Tianjin University) A THESIS SUBMITTED FOR THE DEGREE OF PHYLOSOPHY OF DOCTOR ... 1.2.1 Nanofiltration separation mechanisms 18 1.2.2 Nanofiltration separation models 22 1.2.3 Fabrication of nanofiltration membranes 28 1.3 Characterization of ultrafiltration or nanofiltration ... Characterization of Two Commercial Nanofiltration Membranes and their Application in the Separation of Pharmaceuticals 75 3.1 Introduction 75 Trang 53.2 Fundamentals of the Characterization Scheme of Nanofiltration...

Ngày tải lên: 12/09/2015, 11:29

... metals on catalytic etching of Si so as to understand better the actual mechanism involved 5.2 Effect of the metal film thickness on the etching process HF of 4.6M and H2O2 of 0.44M were used as ... conclusion, the fabrication of Ge nanowires and characterization of its thermal conductivity (k) were investigated Experimental measurements show a 6 times decrease in the k value of the Ge nanowires ... blocking bi-layer metal with two different thicknesses of the Au layer (10 nm and 15 nm) and 5 nm of Cr investigated Both Figures 44(a) and 44(b) show some chemical etching in the non-marker...

Ngày tải lên: 13/10/2015, 15:57

... pumped down to a base pressure of 0.01 mbar to minimize the presence of unintended contaminating gases such as H2O and O2. A counter-flow of Argon (Ar) gas, at a flow rate of 150 sccm, was then introduced ... characteristic of the Ge nanowire sample and to find out the electrical resistance of the sample The probe station used is a typical black chamber... capable of fabricating feature sizes of larger ... the evaporation process was at the level of 10-7 mbar and the pressure during evaporation was about 6 x 10-6 mbar. Proper out-gasing (of both the boat and the source) prior to the Au evaporation...

Ngày tải lên: 13/10/2015, 15:57

... 40(a) and 40(b) shows the SEM images of the GeNw sample that was annealed Thermal Conductivity of GeNw and SiNw 87 after 60 hours and 24 hours respectively from the completion of nanowire fabrication. The ... and final testing is critical. It is best to keep the total process and measurement time down to within 24 hours after completion of the nanowire fabrication. Thermal Conductivity of GeNw and ... Conductivity of GeNw and SiNw 72 Chapter 4 Thermal conductivity characterization of Ge Nanowires 4.1 Introduction Germanium (Ge) has potential to be used as a thermoelectric material because of its higher...

Ngày tải lên: 13/10/2015, 15:57

... of the Requirement for the Degree of Master of Engineering National University of Singapore 2011 Trang 2Abstract In this dissertation, the fabrication and characterization of germanium (Ge) and ... Trang 1Fabrication and Characterization of Semiconductor Nanowires for Thermoelectric Application Kwok Wai Keung A Thesis Submitted to the Department of Electrical and Computer Engineering ... enlarged images of the bottom parts of pores [71] 24" Figure 8 Schematics of the Si nanowire catalytic etching fabrication process [76] 25" Figure 9 Schematic of the SiNW fabrication process...

Ngày tải lên: 13/10/2015, 15:57

... different doping percentages and Ag coated on Ni and Fe doped TiO2 thin film with different doping percentages Photocatalytic activity of Ni and Fe doped TiO2 and Ag coated on Ni and Fe doped TiO2 thin ... properties of Ni and Fe doped TiO2 thin film with different doping percentages and Ag coated on Ni and Fe doped TiO2 thin film with different doping percentages Photocatalytic activity of Ni and Fe ... Mechanism and Properties of TiO2 Nanorods Embedded Nanopillar: Evidence of Lattice Orientation Effect, - Superlattices and Microstructures, 2017 109 11 Liu, B and E Aydil, “Growth of Oriented...

Ngày tải lên: 13/01/2020, 08:51

... films," Journal of Food Engineering, vol 105, pp 254-263, 2011 Trang 12[16] A H D Abdullah, S Pudjiraharti, M Karina, O D Putri, and R H Fauziyyah, "Fabrication and Characterization of Sweet Potato ... Nigerian Journal of Biotechnology, vol 20, pp 28-33, 2009 [18] N E Wahyuningtiyas and H Suryanto, "Analysis of Biodegradation of Bioplastics Made of Cassava Starch," Journal of Mechanical ... D D C Krein, N P Balbé, and A Dettmer, "Starch gelatin film as an alternative to the use of plastics in agriculture: a review," Journal of the Science of Food and Agriculture, vol 99,...

Ngày tải lên: 25/10/2022, 11:21

... points of the electrodes on both sides of the IPMC actuator 4.2 Characterization of the Driving Voltage and Current of the Fabricated Device To characterize the electrical properties of the IPMC ... sensors, soft robots, flexible actuators and artificial muscles [1–5] Shahinpoor and Kim published a series of review papers about IPMCs For example, the fundamental properties and characteristics of ... actuators are restricted Recently Feng and Chen reported the fabrication of an array of microfeatured IPMC actuators based on a silicon-bulk micromachining [17,18] Chen and Zhang presented a photolithography...

Ngày tải lên: 02/11/2022, 10:39

... training on the ESEM and SEM and Craig Johnson for patience and expertise in capturing the TEM images References Zou, W.; Cai, Q.; Cui, F Preparation and characterization of TiO2/porous carbon ... properties of polyelectrolyte composite nanofibers that combine the functionality and sensitivity of the polymer matrix with the unique optical and chemical properties of semiconductor nanoparticles (SNPs) ... prepared by adding 15 or 20 μL of μM stock solution of Qdot 525 to 10 mL of deionized water Each suspension was sonicated for min, then mL of the suspensions were pipetted out and kept in reserve for...

Ngày tải lên: 02/11/2022, 10:39

... Fang,4Zhong Ren,4and Yu Bai5 1Key lab of nanodevices and applications, Chinese Academy of Sciences, Division of nano-devices and related materials, Suzhou Institute of Nano-tech and Nano-bionics, ... summary, the fabrication and characterization of Al2O3/Si CND structures with Al2O3thin film thickness of 30 nm, 60 nm and 90 nm have been carried out in order to evaluate its optical and electrical ... the measured and Trang 5FIG 2 Simulation models of (a) X-Y plane view, (b) Cross-section view, (c) overlook view of Si and Al 2 O 3 /Si CND structure (d) The optical parameters of Si and Al 2 O...

Ngày tải lên: 04/12/2022, 10:34

... HOMO of −​8.71 eV and LUMO of −​6.27 which makes it possible for effective electron transfer of charge from the LUMO of the pomegranate into the conduction band of TiO2 The regeneration of the ... the HOMO of −​8.71 eV and the result for the LUMO of −​6.27 eV The difference in the HOMO and LUMO, which is the energy band gap, was found to be 2.44 eV The HOMO and LUMO surfaces and orbital ... film of Platinum or Carbon for the catalysis of the redox reaction with electrolyte The total efficiency of the DSSC is dependent on the nature, optimization and compatibility of each one of the...

Ngày tải lên: 04/12/2022, 10:31

... 1DEVELOPMENT AND CHARACTERIZATION OF MULTI-MATERIAL PRINTING OF THE DROP-ON-DEMAND (DOD) SYSTEM NG JINHHAO NATIONAL UNIVERSITY OF SINGAPORE Trang 2DEVELOPMENT AND CHARACTERIZATION OF MULTI-MATERIAL PRINTING ... Introduction to Inkjet Printing 6 2.2 Various DOD System and Their Applications 7 2.3 Classification of Micro-valve Printing Technique 11 2.4 Advantages and Disadvantages of Inkjet Printing 12 ... of equipments and materials for conducting of experiments These include substrates treatment, characterization of print heads and preparing of printing materials • Chapter 5 discusses the printing...

Ngày tải lên: 04/10/2015, 15:46

... follows: 500 g of soil was washed 3 times with distilled water and suspended in 1,000 ml of water The mixture was allowed to stand for 10min and the supernatant was collected and used for the ... concentration of 5 ppm to estimate the effect of pH After 3 min, A660 was measured and the extent of flocculation was calculated Pronase digestion of extracellular polymer Forty milligrams of the ... protein, 160.2 µg of neutral sugar, 58.5 µg of hexosamine, 30.8 µg of uronic acid and 3.8 µg of phosphorus Constituent neutral sugar analysis showed that the neutral sugar was composed of rhamnose,...

Ngày tải lên: 05/09/2013, 09:08

... diameter of the PVDF membrane, the PVDF-PS membrane and the PVDF-SPS membrane is 0.25 µm, 0.12 µm and 0.16 µm, respectively It can be seen that the polymerization of styrene and the blending of PS and ... membrane, and the selectivity (the ratio of proton conductivity and methanol permeability) of the composite membrane is almost 20 times than that of Nafion-117 Copyright © 2010 International Energy and ... (DMAc) firstly, and then styrene, divinylbenzene (DVB) and benzoyl peroxide (BPO) were added to the solution and stirred with water bath at 343 K The dosage of PVDF, styrene, DVB and BPO was that...

Ngày tải lên: 05/09/2013, 16:11

... Drop-on-Demand Inkjet Printing of PEDOT:PSS 100 4.2.3 Design and Fabrication of P-OLED Devices 109 4.3 Results and Discussion 118 4.3.1 ITO Surface Patterning 118 4.3.2 Drop-on-Demand Inkjet Printing of ... performance of OLED fabricated by means of drop-on-demand inkjet printing technology and to compare with spin-coated OLED devices (3) To investigate and characterize drop-on-demand inkjet printed ... advantages of relative ease of fabrication and low fabrication cost, lack of need for backlighting, flexibility, transparency and scalability OLEDs were first introduced in 1987 by Tang and Van...

Ngày tải lên: 11/09/2015, 10:17

... Fabrication and characterization of well-aligned and ultra-sharp silicon nanotip array Chi-Chang Wu*1,2, Keng-Liang Ou1,2, and Ching-Li Tseng1 Graduate Institute of Biomedical Materials and ... 1,000 V and measured the emission current Results and discussion The progress of transformation of the tips and photoresist at different etching time is displayed in Table From the eagle-view and ... microscopy, and scanning tunneling microscopy are intensively investigated [4] The efficiency of these techniques strongly depends on the characterization of the tip For instance, a high-brightness and...

Ngày tải lên: 21/06/2014, 17:20

... reported bandgap of amorphous silicon (~1.7 eV) against that of crystalline silicon (1.1 eV), it follows that there is a larger band offset (~0.45 eV) at the valence band edges and a smaller band offset ... properties of the c-Si wafer and of the a-Si and µc-Si thin-film layers, based on [127] as well as on the fitting of the lifetime samples of Figure 4.4 The activation energy (i.e position of the ... low conduction band offset, and a sufficiently high valence band offset so as to have an efficient collection of photogenerated electrons while minimizing the back diffusion of holes into the...

Ngày tải lên: 09/09/2015, 11:15

... the flow rates of SiH4 (mole fraction of 49.3 % and partial pressure of 2.46 Torr), NH3 (mole fraction of 50.5 % and partial pressure of 2.53 Torr), and N2 were 60, 60, and 250 standard cubic centimeter ... spacing LGD of m achieved a breakdown voltage VBR of 800 V and an on-state resistance Ron of mcm2 In addition, sub-threshold swing S of ~ 97 mV/decade and current on/off, Ion/Ioff, ratio of ~ 106 ... density of 2-DEG ns of pseudomorphic AlGaN/GaN heterosture as a function of Al content x of the AlxGa1 xN barrier layer [10] conduction band edge energy, and EC is the conduction band offset...

Ngày tải lên: 10/09/2015, 09:11

... FABRICATION AND CHARACTERIZATION OF GERMANIUM PHOTODETECTORS WANG JIAN B Sci (Peking University, P R China) 2006 A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL ... carrier-transit-time-limiting bandwidth and efficiencies of normal incidence PIN Ge photodetector 25 Fig 2.4: Schematic of a waveguide-fed photodetector 27 Fig 2.5: Bandwidth and responsivity of selected ... (=0.63%) and SiGe buffer (=0.12%) Inset shows the light and dark current leakage of SEG Ge on SiGe and Si/SiGe buffer layers for detectors with diameters of 28 m and lateral spacing of 0.2 m...

Ngày tải lên: 10/09/2015, 15:47

... adjustment of syngas ratios and recovery of hydrogen from nitrogen (ammonia production) and hydrocarbons (refinery processes) (Ho and Sirkir, 1992; Kesting and Fritzsche, 1993; Paul and Yampol’skii, ... and Miss W Natalia i Appreciation also goes to the staff in the Department of Chemical and Biomolecular Engineering that have helped me in various characterization techniques and given me professional ... husband, Feng Zhao, for his unwavering and unconditional love and support My parents and parents’ in-law also deserve the special recognition for their love and continuous encouragement and support...

Ngày tải lên: 12/09/2015, 11:24