Oxidation-Resistant Metallic Bismuth Nanoparticles for Electrically Conductive Adhesives

Cao, Ge1; Jiang, Chengwei1; Cai, Shaoyong1; Chen, Yonghao1; Xing, Yaru2; Xu, Jiatong1; Zhang, He3; Chen, Xing1; Tian, Yanqing1

2023-09-01

10.1021/acsanm.3c02441

ACS APPLIED NANO MATERIALS   影响因子和分区

2574-0970

Bismuth (Bi) metallic material is one of the most widely used heavy metals because of its low cost, excellent light conversion efficiency, and high X-ray attenuation coefficient. However, large-scale synthesis of highly processable and oxidation-resistant Bi nanoparticles remains challenging. Based on the above concerns, we report a facile, scalable, polyol-mediated synthesis of high-quality Bi nanoparticles using citrate as a capping agent and polyvinylpyrrolidone (PVP) as a dispersant. The presence of citrate and PVP improved Bi nanoparticle's oxidation resistance and processability. These nanoparticles can maintain excellent oxidation resistance in an ambient atmosphere for more than 120 days and form high-quality suspensions in various commonly used solvents. Moreover, large-scale and rapid synthesis of the nanoparticles was achieved by simply using the green reagent stannous citrate [tin (II) citrate] as a reducing agent. These properties make them promising as complementary conductive fillers in electrically conductive adhesives (ECAs). The Bi nanoparticles could be effectively combined with silver flakes in epoxy resins to enhance the conductivity of ECAs significantly. With the addition of only 5 wt % Bi nanoparticles, the resistivity of ECAs could be reduced to 1/3000 of that of ECAs with the same silver content, showing great promise in next-generation ECA products.

bismuth nanoparticle polyol-mediated citrate-capped oxidation-resistant electrically conductive adhesives

SCI ; EI

英语

第一 ; 通讯

SUSTech[Y01256114] ; 2022 Guangdong Provincial College Students Innovation and Entrepreneurship Training Program[2022S01] ; Special Funds for the Cultivation of Guangdong College Students' Scientific and Technological Innovation (" Climbing Program" Special Funds)[pdjh2023c10906]

Science & Technology - Other Topics ; Materials Science

Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:001061146300001

AMER CHEMICAL SOC

20233914779239

Adhesives ; Alcohols ; Bismuth compounds ; Conversion efficiency ; Epoxy resins ; Heavy metals ; Nanoparticles ; Synthesis (chemical) ; Tin compounds

Energy Conversion Issues:525.5 ; Metallurgy and Metallography:531 ; Metals Corrosion:539.1 ; Nanotechnology:761 ; Chemical Reactions:802.2 ; Organic Compounds:804.1 ; Organic Polymers:815.1.1 ; Solid State Physics:933

Web of Science

1.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
2.Southern Univ Sci & Technol, Acad Adv Interdisciplinary Studies, Shenzhen 518055, Peoples R China
3.Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China

Cao, Ge,Jiang, Chengwei,Cai, Shaoyong,et al. Oxidation-Resistant Metallic Bismuth Nanoparticles for Electrically Conductive Adhesives[J]. ACS APPLIED NANO MATERIALS,2023,6(18):16343-16352.

Cao, Ge.,Jiang, Chengwei.,Cai, Shaoyong.,Chen, Yonghao.,Xing, Yaru.,...&Tian, Yanqing.(2023).Oxidation-Resistant Metallic Bismuth Nanoparticles for Electrically Conductive Adhesives.ACS APPLIED NANO MATERIALS,6(18),16343-16352.

Cao, Ge,et al."Oxidation-Resistant Metallic Bismuth Nanoparticles for Electrically Conductive Adhesives".ACS APPLIED NANO MATERIALS 6.18(2023):16343-16352.