Tetrabutylammonium Tribromide-Induced Synthesis of Silver Nanowires with Ultrahigh Aspect Ratio for a Flexible Transparent Film

ZY Fan and JY Wang and LL He and B Shen and J Chen and HM Mao and Y Ren and JA Yin and H Cui and HW Yang, LANGMUIR, 39, 10651-10659 (2023).

DOI: 10.1021/acs.langmuir.3c01264

Silver nanowires (AgNWs) have gained significant attentionfromresearchers as a promising material for producing flexible transparentconductive films, which can be utilized in touch and display screens.Thereinto, the ultrahigh aspect ratio AgNW network can theoreticallydecrease the contact resistance effectively while still retainingconsiderable mechanical and optical properties. However, fabricationof high-quality AgNWs with a fine diameter and high aspect ratio isstill challenging. Herein, a simple and robust approach to synthesizeultrahigh aspect ratio AgNWs is presented. This study successfullyfabricated AgNWs with the highest aspect ratio up to & SIM;4000and an average length of & SIM;72 & mu;m by utilizing tetrabutylammoniumtribromide as an auxiliary additive. The manifestation of tetrabutylammoniumtribromide was proven to be beneficial for the generation of silverseeds and the expansion of AgNWs. The obtained AgNWs were utilizedto create a transparent conductive film that showed low sheet resistanceof 22.4 & omega;/sq and high transmittance and low haze of 87.71 and4.15%, respectively. The transmittance and haze of the vacant poly(ethyleneterephthalate) support were 90.13 and 2.05%, thereby offering greatpotential for application in flexible transparent electrodes.

Return to Publications page