Silver nanoparticles’ competing technology, silver nanowires, are just as good in transparency, sheet resistance and haze.
Dr. Tony Tianyi Sun, Lux Resaerch10.12.15
Foxconn and Cima NanoTech recently announced a joint venture developing large-format project capacitive (p-cap) touch sensors with silver nanoparticles (NPs) as transparent conductive films (TCF). The new venture aims to use their sensors to replace incumbent infrared (IR) touch sensors in large format applications like interactive white boards, video conference systems, interactive digital signage and casino machines.
Compared with IR sensors, p-cap sensors offer faster response time, support better multi-finger recognition and enable thinner designs by removing the bulk IR sensor frames. However, traditional p-cap sensors with indium tin oxide (ITO) as TCFs are prohibitively expensive for large format applications, leaving opportunities for ITO replacement solutions.
Compared with other ITO replacement options like metal mesh and silver nanowires (NWs), silver NPs are cheaper, do not have moiré effect (visible patterns due to superimposed lines) like metal mesh, and can
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