The Synthesis and Coating of Long, Thin Copper Nanowires to Make Flexible, Transparent Conducting Films on Plastic Substrates

Performance enhancement of metal nanowire transparent conducting electrodes by mesoscale metal wires

“…Recently, there have been increasing efforts in developing nanomaterial TCEs including carbon nanotubes (CNTs) 1,[6][7][8][9] , graphene 4,[10][11][12][13] , metal nanowires [14][15][16][17][18][19][20][21] and nanoparticles 22,23 to replace conventional indium tin oxide (ITO) films, in order to enable low-cost and mechanical flexibility while maintaining low sheet resistance (R s ) and high transmittance (T). For the active layers of many devices, the lateral surface electrical conductance is sufficient to transport electrons only locally from several 100 nm to a few mm scale without serious ohmic loss, therefore interfacing with external connection requires additional TCEs with good R s -T performance.…”

“…Metal nanowire TCEs have shown great promise in reaching excellent performance because of the high conductivity of metals. Various methods have been used to improve performance, including increasing the nanowire length to increase transport distance 21,32 , decreasing the diameter to reduce the light scattering and annealing of nanowire junction to reduce resistance by thermo, electrochemical or nanoplasmonic welding 14,31,35 . The best performance of metal nanowire TCEs has reached R s ¼ 10 O sq À 1 at T ¼ 90% (ref.…”

Effect of synthesis temperature on the morphology and electrical properties of solution-grown copper nanowires (CuNWs)

“…Rathmell 2010, et al has to synthesize copper nanowires using Cu(NO 3 ) 2 , ethylenediamine (EDA), NaOH, and hydrazine [5,6]. In the study, copper nanowires has been successfully synthesized by varying the concentration of EDA.…”

“…It shows the forming copper-complex particle, of copper nitrate into copper oxide and mutual reciprocity. Some literature shows that the copper-complex particles are particles seed to the formation of copper nanowires [5][6]. Therefore, a solution of hydrazine (1 ml, 0.001 M) was added back for the purpose of changing the copper-complex particles into the copper nanowires.…”

“…Currently, the development of metal nanowires such as silver (Ag) (2), gold (Au) (3), indium (In) (4) or copper (Cu) (5) are became the center of attention of material research and industrial applications. Copper nanowires can be an alternative to silver nanowires or indium tin oxide (ITO), because it has a low price to be used as a transparent electrode [6][7]. Copper nanowires can be synthesized in a mass scale (several grams) and printed on a transparent substrate, and showed better quality than carbon nanotubes [7].…”