scholarly journals Comprehensive Synthesis Study of Well-Dispersed and Solution-Processed Metal Nanowires for Transparent Heaters

2018 ◽  
Vol 2018 ◽  
pp. 1-13 ◽  
Author(s):  
Marco Bobinger ◽  
Vasileios Dergianlis ◽  
Markus Becherer ◽  
Paolo Lugli
Keyword(s):  
Aspect Ratio ◽  
Silver Nitrate ◽  
Potassium Chloride ◽  
Power Density ◽  
Process Parameters ◽  
Silver Nanowires ◽  
Process Time ◽  
Metal Nanowires ◽  
Solution Processed

We review and extend the numerous polyol-based synthesis protocols and postdeposition treatments that have been reported for silver nanowires (AgNWs). After tailoring substantial process parameters such as the process time, temperature as well as the stirring speed, the polyvinylpyrrolidone (PVP) to silver nitrate (AgNO3) ratio, and the type of PVP, a high mean aspect ratio of 800 could be achieved. Interestingly, the addition of a small portion of potassium chloride (KCl) not only leads to a reduction in diameter but also extremely enhances the nanowire dispersion and its stability. This effect is attributed to the role of KCl, which, along with PVP, acts as a cocapping agent. Furthermore, sprayed AgNW and copper nanowire (CuNW) films were tested as transparent heaters. The AgNWs could be operated at a power density of at least 0.72 W/cm2, which corresponds to a temperature of 213°C, whereas the CuNWs failed at a power density and temperature of 0.4 W/cm2 and 150°C, respectively. Interestingly, the degradation of AgNWs shows a step-wise behavior and is mainly dominated by fragmentation, while the CuNWs are gradually oxidized.

Investigation into the role of poly(vinylpyrrolidone) in the growth of high aspect ratio silver nanowires

2021 ◽  
Vol 128 ◽  
pp. 108558
Author(s):  
Yuyue Guo ◽  
Yangfei Hu ◽  
Xiaojiong Luo ◽  
Shudong Lin ◽  
Jiwen Hu ◽  
...  
Keyword(s):  
Aspect Ratio ◽  
High Aspect Ratio ◽  
Silver Nanowires

Multi Objective Optimization of Laser Welding Process Parameters by Desirability Approach of Design of Experiments

2012 ◽  
Author(s):  
T. Suthakar ◽  
K. R. Balasubramanian ◽  
K. Sankaranarayanasamy
Keyword(s):  
Aspect Ratio ◽  
Laser Welding ◽  
Power Density ◽  
Process Parameters ◽  
Welding Process ◽  
Depth Of Penetration ◽  
Bead Width ◽  
Desirability Approach ◽  
Laser Welding Process ◽  
Selection Of

Laser welding process is the high energy beam welding process which is very much used for thin and thick section industrial applications. The weld bead profile relies on the selection of process parameter. Due to its high power density optimal selection of process parameters is vital. In this research the optimization of the input process parameters namely power density (PD), welding speed (WS), beam angle (BA) and gas flow rate (GFR) on the response bead width (BW), depth of penetration (DOP) and depth to width aspect ratio (D/W) is analyzed. As the process parameters are highly non-linear, quadratic equations are generated for determining the desired response. The experimental trials are performed on an AISI 304 austenitic stainless steel using the four-factor-five-level central composite experimental design (CCED). Optimization of process parameters is performed using the desirability approach and the results obtained from the mathematical model is compared with the experimental results and found to be in agreement. The target fixed for the weld is to determine the optimal process parameters for the minimization of bead width and the maximization of depth of penetration and depth to width aspect ratio.

Control of Symmetry Breaking Size and Aspect Ratio in Gold Nanorods: Underlying Role of Silver Nitrate

2017 ◽  
Vol 121 (6) ◽  
pp. 3549-3559 ◽  
Author(s):  
Wenming Tong ◽  
Michael J. Walsh ◽  
Paul Mulvaney ◽  
Joanne Etheridge ◽  
Alison M. Funston
Keyword(s):  
Aspect Ratio ◽  
Symmetry Breaking ◽  
Silver Nitrate ◽  
Gold Nanorods

Effect of Polyvinylpyrrolidone on the Preparation of Silver Nanowires

2014 ◽  
Vol 881-883 ◽  
pp. 940-943 ◽  
Author(s):  
Si Fang Li ◽  
Hai Yan Zhang
Keyword(s):  
Aqueous Solution ◽  
Molecular Weight ◽  
Aspect Ratio ◽  
Metal Nanoparticles ◽  
Silver Nanowires ◽  
Reduction Rate ◽  
Dual Role ◽  
Reducing Agent ◽  
Different Molecular Weight

Polyvinylpyrrolidone (PVP) has been used to control size and shape of metal nanoparticles in aqueous solution, where PVP plays the dual role of protective and reducing agent. The influence of PVP with different molecular weight on the aspect ratio of nanorods and nanowires during a classical polyol process was studied. Nanowires with higher aspect ratio were obtained by using PVP with higher molecular weight. It is suggested that the reduction rate is decreased with an increase of the molecular weight of PVP, leading to the growth of nanowires with higher aspect ratio.

Solution processed transparent conductive hybrid thin films based on silver nanowires, zinc oxide and graphene

2021 ◽  
Vol 26 ◽  
pp. 102162
Author(s):  
Refik Arat ◽  
Guobin Jia ◽  
Jan Dellith ◽  
Andrea Dellith ◽  
Jonathan Plentz
Keyword(s):  
Thin Films ◽  
Zinc Oxide ◽  
Silver Nanowires ◽  
Solution Processed ◽  
Hybrid Thin Films

All solution-processed silver nanowires composite silica nanospheres antireflection structure with synergetic optoelectronic performance

2021 ◽  
Author(s):  
Yuxin Tang ◽  
Wanying Yin ◽  
Yue Huang ◽  
Ganghua Zhang ◽  
Qingbiao Zhao ◽  
...  
Keyword(s):  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Silver Nanowires ◽  
Great Promise ◽  
Silica Nanospheres ◽  
Solution Processed ◽  
Transparent Conductive Films ◽  
Conductive Films

Silver nanowires (AgNWs) network has shown great promise as transparent conductive films (TCFs) due to its excellent optoelectronic performance. In order to replace indium tin oxide (ITO), considerable intricate methods...

scholarly journals Role of laser powder bed fusion process parameters in crystallographic texture of additive manufactured Nb-48Ti alloy

2021 ◽  
Author(s):  
Rafael de Moura Nobre ◽  
Willy Ank de Morais ◽  
Matheus Tavares Vasques ◽  
Jhoan Guzmán ◽  
Daniel Luiz Rodrigues Junior ◽  
...  
Keyword(s):  
Process Parameters ◽  
Crystallographic Texture ◽  
Fusion Process ◽  
Powder Bed Fusion ◽  
Laser Powder Bed Fusion ◽  
Powder Bed

On the role of solution-processed bathocuproine in high-efficiency inverted perovskite solar cells

Solar Energy ◽  
2021 ◽  
Vol 218 ◽  
pp. 142-149
Author(s):  
Shou-En Chiang ◽  
Anjali Chandel ◽  
Diksha Thakur ◽  
Yan-Ta Chen ◽  
Pei-Chen Lin ◽  
...  
Keyword(s):  
Solar Cells ◽  
High Efficiency ◽  
Perovskite Solar Cells ◽  
Solution Processed
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