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Silver nanowire for conductive, flexible and transparent electronics



Last update

Mon, Aug, 23, 2021


Sat, Aug, 20, 2022


A Singapore based SME has developed silver nanowire-based technology as a coating material for the fabrication of conductive, flexible and transparent substrates, which is suitable as an indium tin oxide (ITO) replacement.

The technology provider is interested in licensing, research cooperation or commercial agreements with technical assistance with SMEs and MNEs of all sizes, especially with companies from Germany or France, to jointly participate in joint innovation opportunities.


A Singapore based SME that specialises in research, design and manufacturing of solder and chemical products has developed a highly conductive, long silver nanowires (AgNW) that are suitable as a key coating material in the fabrication of flexible and transparent substrates. ITO is typically used in transparent conductive films (TCFs) and used extensively in touch panel displays, liquid crystal displays, electroluminescent lighting, organic light-emitting diode devices, and photovoltaic solar cells.

However, ITO-based TCFs face certain limitations, such as the high cost of indium and the need for complicated and expensive vacuum deposition equipment and processes. It also has low flexibility and bendability due to its inherent brittleness and tendency to crack, especially when deposited on flexible substrates.

In contrast, AgNW TCF developed by the SME offers excellent flexibility, bendability, and low resistance when compared to ITO films. As a result, AgNW is a frontrunner as a replacement for transparent, flexible conductive films.

Silver nanowire-based technology has the following properties:
• Tunable dimensions for different applications
• Average diameter: 30-80 nm
• Average length: 40 µm
• Available solvents: IPA
• Standard Concentration: 1 – 5 mg/ml
• Standard Density: 1 – 1.3 g/cm³

Nanowire coated film properties:
• Sheet resistance: <100 Ω/sq
• Transparency: 90-99%
• Curing temperature: 150°C
• Curing time: 1 – 2 min
• Application method: Slot-die coating, gravure printing

This technology is applicable (but not limited) to:
• ITO replacement
• Transparent, flexible conductive films
• Ability to incorporate materials into thermoforming processes to create conductive 3D models
• Printed photovoltaic, lightweight, flexible, possibility of semi-transparency, suitable for wearables, portable electronics and other applications which need to be lightweight and operate in low-light environment
• Printed lighting and printed lighting strip
• Touch screens: large area touch, flexible touch
• Printed antenna
• Printed heater

The total market for printed, flexible, and organic electronics is expected to grow from US$41.2 billion in 2020 to US$74 billion in 2030. The strong growth potential in printed touch screens is driven by the rapid growth of the large area and flexible touch surfaces.

Licensing, research cooperation or commercial agreements with technical assistance with SMEs and MNEs of all sizes —especially with companies from Germany or France, to jointly participate in joint innovation opportunities — are sought by the technology provider.

Technology Keywords

Digital Systems, Digital Representation;Printed circuits and integrated circuits;Coatings;Nanomaterials;Micro- and Nanotechnology

Keyword Codes:


Current Stage of Development

Intellectual Property Rights

Patents granted

IPR Comments:

Granted in China, Korea, Singapore, Taiwan and US.

Exploitation of RTD Results

Organisation/Company Type

Organisation/Company Size

Organisation Comments

Detailed Market Application Codes (VEIC)

MA Keyword

Display panels;Other consumer products

MA Keyword Codes:


Application Domain Description:

Collaboration Type


The Singapore based SME is interested in licensing, research cooperation or commercial agreements with technical assistance with partners that can be MNEs or SMEs of all sizes, such as device manufacturers in the areas of forensics, environmental sampling. The types of partnerships include the following:

i) Licensing agreement: The partner could license the technology for further development and introduce it to its customers.

ii) Research cooperation: The partner could jointly develop new products with the Singapore SME.

ii) Commercial agreement with technical assistance - The partner could utilise the technology with technical support from the Singapore SME.

In particular, the company is interested in seeking collaborators from Germany or France, to participate in joint innovation opportunities.

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