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INFIQ® Lead-Free Quantum Dots Lead the Way as Quantum Science Achieves 1,550 nm

Infrared quantum dot (QD) technology expert Quantum Science has cemented its industry leading position by creating lead-free QDs sensitive to wavelengths of 1,550 nm.

Image Credit: Quantum Science

Quantum Science’s latest breakthrough in QD synthesis means its INFIQ® technology boasts unparalleled short-wave infrared (SWIR) sensitivity for lead-free materials.

This level of performance is unmatched elsewhere in the industry and accelerates the progress of SWIR sensing into consumer markets, unlocking exciting new applications in smartphones, wearable devices, self-driving vehicles and more.

The announcement follows Quantum Science’s achievement of 1,400 nm last year thanks to its innovative QD production process overcoming barriers that limit most lead-free QDs to just 1,200 nm.

Reaching 1,550 nm is significant because of the difficulty of growing long wavelength, lead-free QDs with sufficiently narrow size distributions and uniform shapes. In particular, it becomes difficult to control QD growth without damaging the optical properties that make them suitable for device applications.

Dr Hao Pang, CEO and Founder of Quantum Science, said: “At Quantum Science, we’re committed to leading on innovation, and to supplying our partners and customers with the cutting edge in QD technology. This achievement of lead-free QDs tuneable to 1,550 nm is a landmark for the SWIR industry, firmly positioning us as the leader in lead-free QD production.

“Making 1200 nm lead-free QDs is already very difficult and a huge achievement, as it has great value for SWIR technology in consumer markets. However, as an expert in infrared QDs and QD solutions, Quantum Science’s team commits to pushing innovation over the boundary and we always want to offer our privileged customers and partners the best solutions. With performance of 1,500 nm achieved, our lead-free INFIQ® QD infrared technology is not just the most advanced solution for SWIR imaging and sensing on the market, it is also by far the industry's most desired option.

“As the demand for SWIR sensitive semiconductor materials grows, non-lead-containing QDs like our INFIQ® lead-free infrared technology will be key to bringing SWIR into consumer markets. This technology is providing real market disruption and pushing the boundaries of what lead-free nanotechnology can accomplish.”

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