Presentation Title

A facile synthesis of high aspect ratio copper nanowire for flexible transparent electrodes

Faculty Mentor

Ruoxue Yan

Start Date

17-11-2018 8:30 AM

End Date

17-11-2018 10:30 AM

Location

HARBESON 29

Session

POSTER 1

Type of Presentation

Poster

Subject Area

engineering_computer_science

Abstract

In the current state of electronics Indium-Tin-Oxides (ITOs) are a popular choice in the creation of transparent flexible electrodes for optoelectronic devices such as solar cells, photonic circuits, electrochromic windows, and other types of electronic displays. Although ITOs have been the preferred choice of many electronics producers, many problems exist with their use. Scarcity of indium on the earth and its brittleness results in an expensive process that yields a fragile product. Thus, there has become a need for an alternative material used to replace ITO that complies with the high-tech designs seen in technology today. The future is promising for metal nanowires to replace the traditional Indium-Tin-Oxides (ITOs) found in the transparent conducting electrodes of many technological devices today. Copper Nanowires (CuNW) specifically, are at the forefront of this research owing to their high natural abundance, innate conductivity, optical transparency, and strong sheet resistance. Here, we use the concepts of green chemistry to develop a facile, pH-tuned, aqueous synthesis of high aspect ratio CuNWs. High aspect ratio (L/D) nanowires not only allow for greater transparency, but also improve the conductivity of the nanowires themselves, making it the characteristic trait of high performance nanowires. In conclusion, after several trials of various reaction conditions, it was discovered that a ratio of 19:1:1 of Oleylamine, Ascorbic Acid, and Copper Chloride produced the highest quality nanowires with an aspect ratio of approximately 2,738. Copper nanowires offer a low-cost and more available alternative to ITO due to its abundance and high conductivity.

Summary of research results to be presented

N/A

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Nov 17th, 8:30 AM Nov 17th, 10:30 AM

A facile synthesis of high aspect ratio copper nanowire for flexible transparent electrodes

HARBESON 29

In the current state of electronics Indium-Tin-Oxides (ITOs) are a popular choice in the creation of transparent flexible electrodes for optoelectronic devices such as solar cells, photonic circuits, electrochromic windows, and other types of electronic displays. Although ITOs have been the preferred choice of many electronics producers, many problems exist with their use. Scarcity of indium on the earth and its brittleness results in an expensive process that yields a fragile product. Thus, there has become a need for an alternative material used to replace ITO that complies with the high-tech designs seen in technology today. The future is promising for metal nanowires to replace the traditional Indium-Tin-Oxides (ITOs) found in the transparent conducting electrodes of many technological devices today. Copper Nanowires (CuNW) specifically, are at the forefront of this research owing to their high natural abundance, innate conductivity, optical transparency, and strong sheet resistance. Here, we use the concepts of green chemistry to develop a facile, pH-tuned, aqueous synthesis of high aspect ratio CuNWs. High aspect ratio (L/D) nanowires not only allow for greater transparency, but also improve the conductivity of the nanowires themselves, making it the characteristic trait of high performance nanowires. In conclusion, after several trials of various reaction conditions, it was discovered that a ratio of 19:1:1 of Oleylamine, Ascorbic Acid, and Copper Chloride produced the highest quality nanowires with an aspect ratio of approximately 2,738. Copper nanowires offer a low-cost and more available alternative to ITO due to its abundance and high conductivity.