Synthesis of AgNWs using copper bromide as stabilizing agent and oxygen scavenger and their application in conductive thin films

Published on Jul 15, 2021in Materials Chemistry and Physics3.408
· DOI :10.1016/J.MATCHEMPHYS.2021.124643
Shah Fahad14
Estimated H-index: 14
(ZJU: Zhejiang University),
Shah Fahad55
Estimated H-index: 55
(ZJU: Zhejiang University)
+ 9 AuthorsMuhammad Usman6
Estimated H-index: 6
(ZJU: Zhejiang University)
Source
Abstract
Abstract Silver nanowires (AgNWs) have attracted growing interest because of their wide range of applications in modern nano electronic appliances. During polyol method, the presence of cations and anions in the reaction solution has influence on the final morphology of AgNWs. Here we report a feasible way to prepare AgNWs by polyol method. Copper bromide (CuBr2) salt was used to provide anions and cations in the reaction solution. The anions (Br−) helps in reducing the amount of free Ag+ by forming silver bromide (AgBr) during initial silver seeds formation and the cations scavenge oxygen from the surface of AgNWs during preferential growth of the AgNWs. Ethylene glycol (EG) was used as a solvent and reducing agent, silver nitrate (AgNO3) was used as Ag source and polyvinyl pyrrolidone (PVP) was used as a capping agent. The effects of various factors which influence the final morphology of AgNWs were studied. AgNWs were successfully synthesized in the presence of CuBr2 salt. The morphology of the synthesized AgNWs was characterized by the SEM and TEM. The crystallinity was characterized by HRTEM, SAED and XRD. The LSPR peaks of Ag nanostructures were revealed by UV–Vis spectroscopy. The conductive properties of AgNWs thin conductive films were studied by coating the synthesized nanowires on polyethylene terephthalate (PET) substrate.
References59
Newest
#1Lin Cao (JNU: Jinan University)H-Index: 8
#2Huang Qin (JNU: Jinan University)H-Index: 2
Last. Peng Zhang (JNU: Jinan University)H-Index: 9
view all 7 authors...
Silver nanowires are receiving increasing attention as a kind of prospective transparent and conductive material. Here, we successfully synthesized high-performance silver nanowires with a significantly decreased reaction time by a modified polyol method. The synthesis process involved the addition of halides, including NaCl and NaBr, to control the release rate of Ag+ ions, as Cl− and Br− ions react with Ag+ ions to form AgCl and AgBr with different solubilities. As a result, Ag+ ions could be ...
1 CitationsSource
#1Xiaoming Yu (ZJOU: Zhejiang Ocean University)H-Index: 10
#2Xuan Yu (ZJOU: Zhejiang Ocean University)H-Index: 10
Last. Jun Wei (ZJOU: Zhejiang Ocean University)H-Index: 1
view all 6 authors...
Abstract Silver nanowire (Ag NWs) films are promising alternatives to conventional indium tin oxide transparent electrodes (TE) for display and solar cells applications. Higher haze factor is one essential factor for TE using in solar cells application. In this work, a controlled ZnO nanorods (NR) were grown on Ag NWs/ZnO seed layers by the hydrothermal method with highly tunable control of the scattering properties (haze) by Ag NWs and ZnO NR a s two independent scatters. Varying the ZnO NR len...
5 CitationsSource
#1Junyan Liu (Wuyi University)H-Index: 1
#1Junyan Liu (Wuyi University)H-Index: 6
Last. Bohua Chen (Wuyi University)H-Index: 5
view all 8 authors...
Flexible and transparent electrodes based on one-dimensional Ag nanowire@NiCo/NiCo(OH)2 core–shell nanostructures with a tunable composition were fabricated by electrodeposition. The highly conductive Ag nanowire (NW) network was considered as a current collector, and the NiCo/NiCo(OH)2 nanostructures could grow on the surface of the Ag NWs, providing active materials with the synergistic effect of Ni and Co elements. The core–shell nanostructures integrate the advantages of metallic NWs for eff...
23 CitationsSource
#1Boda Zheng (CAS: Chinese Academy of Sciences)H-Index: 1
#2Qingsheng Zhu (CAS: Chinese Academy of Sciences)H-Index: 1
Last. Yang Zhao (CAS: Chinese Academy of Sciences)H-Index: 45
view all 3 authors...
In this work, we reported a facile approach to fabricate silver nanowire (AgNW) networks on flexible substrates. Through immersing the modified poly (ethylene terephthalate) with positively charged functional group into the AgNW dispersion with anionic dispersant, a flexible AgNW transparent conductive film was formed by electrostatic adsorption self-assembly process. Even without a post-treatment process, the as-prepared flexible AgNW films exhibited excellent optoelectrical property, low surfa...
8 CitationsSource
#1Yuexing Zhang (Soochow University (Suzhou))H-Index: 7
#2Jin Fang (Soochow University (Suzhou))H-Index: 21
Last. Jian-Xin Tang (Soochow University (Suzhou))H-Index: 39
view all 11 authors...
Flexible organic solar cells (OSCs) are considered one key component in wearable, intelligent electronics due to the unique capacity for highly flexible renewable energy sources. However, it is urgently required to enhance their efficiency, as it is far inferior to that of their conventional, glass-based counterparts. To boost the performance of flexible OSCs on plastic substrates, we here present a synergetic transparent electrode structure, which combines electrically conductive silver nanowir...
34 CitationsSource
#1Dongmei Wang (Anhui Normal University)H-Index: 5
#2Hongmei Hua (Anhui Normal University)H-Index: 4
Last. Yongxin Li (Anhui Normal University)H-Index: 28
view all 5 authors...
Silver nanowires (AgNWs) have received much attention due to their excellent optical, electrical, and conductive properties. In this work, we provided a new perspective for investigating the property of AgNWs from a single nanowire level. Single Ag nanowire electrodes and single Pt@Ag nanowire electrodes were fabricated by a laser-assisted pulling technique and galvanic replacement reaction (GRR). The radius, length, and metal ratio of the nanowires are tunable as needed. The prepared nanowire e...
9 CitationsSource
#1Zahra Teymouri (AUT: Amirkabir University of Technology)H-Index: 1
#2Leila Naji (AUT: Amirkabir University of Technology)H-Index: 14
Last. Zahra Fakharan (AUT: Amirkabir University of Technology)H-Index: 4
view all 3 authors...
Abstract Silver nanowires (AgNWs) have been considered as promising materials for fabrication of transparent conducting electrodes (TCEs) due to their suitable optical and electrical conductivity. The current work investigates the effects of the synthesis parameters on the physical and morphological properties of AgNWs-based TCEs and the photovoltaic performances of ITO-free AgNWs-electrode based flexible polymer solar cells (FPSCs). AgNWs were prepared using two different polyol-based methods i...
13 CitationsSource
#1Shintaro Sugiyama (University of Shiga Prefecture)H-Index: 1
#2Shun Yokoyama (Tohoku University)H-Index: 10
Last. Jeyadevan Balachandran (University of Shiga Prefecture)H-Index: 6
view all 10 authors...
Abstract Research to improve the dimensional properties of silver nanowires (Ag NWs) for transparent conductive film (TCF) applications are being carried out intensively. However, the protocol for the designed synthesis of high-quality Ag NWs is yet to be developed due to the inadequacy of knowledge on the role of parameters. Here, we attempt to elucidate the role played by the parameters and propose a monoalcohol-copolymer based system for the designed synthesis of Ag NWs superior in quality to...
6 CitationsSource
#1Nathaniel de Guzman (UP: University of the Philippines)H-Index: 4
#2Manuel C. Ramos (UP: University of the Philippines)H-Index: 4
Last. Mary Donnabelle L. Balela (UP: University of the Philippines)H-Index: 5
view all 3 authors...
Abstract We report several approaches to improve the quality of silver (Ag) nanowires synthesized by electroless deposition in hot ethylene glycol (polyol). Ultralong Ag nanowires with lengths up to 50 μm and about 60 nm in mean diameter were prepared using CuCl 2 as stabilizer. Without CuCl 2 , mostly large Ag particles were produced due to oxidative etching of multiply-twinned Ag seeds. Sonication of the AgNO 3 /EG solution prior to injection resulted in longer and thinner nanowires. Without t...
10 CitationsSource
#1Jinju Chen (University of Electronic Science and Technology of China)H-Index: 28
#2Shu-Li Liu (University of Electronic Science and Technology of China)H-Index: 2
Last. Zhe-sheng Feng (University of Electronic Science and Technology of China)H-Index: 16
view all 9 authors...
Abstract Crystalline quality and capping agent ratio are crucial to the electrical property of silver nanowires (AgNWs). In this paper, in order to achieve the high conductance, the crystalline quality of AgNWs was regulated by a comparative study of mediated ions Cu2+ and Fe3+ in polyol process, and the capping ratio of Poly(N-vinylpyrrolidone) (PVP) on the surface of AgNWs was intensively adjusted. The proper addition of Fe3+ ions was a more favorable route to achieve AgNWs with fine crystalli...
19 CitationsSource
Cited By0
Newest