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QMC commercial II-VI QD manufacturing technology awarded

The firm has been honoured for its commercially viable technology that enables large-scale production of highly efficient inexpensive QDs
Frost & Sullivan has bestowed Quantum Materials Corporation (QMC) with the 2012 North American Frost & Sullivan Award for Enabling Technology.

QMC's technology, employing an innovative tetrapod quantum dot (QD) continuous-flow chemistry process addresses the major challenges - low production and corresponding high manufacturing cost - that have held back the wide-spread adoption of QD technology by major industries.



QMC II-VI tetrapod quantum dot

QMC's process enables bulk manufacturing (95 percent to 97 percent full tetrapod yield) of highly efficient tetrapod-shaped QDs that have 4 arms on the QD core to enable better electrical conductivity compared to current QD technology.

The structure and size of the resulting Tetrapod QDs are highly uniform, which enables the narrow bandwidth light extraction accuracy of QMC's quantum dots to be significantly higher than QDs manufactured through batch colloidal synthesis.


"Characteristics such as high quantum yield, smaller size and high band gap tunability make QDs an ideal platform technology for many emerging applications, such as solar energy, sensors, solid state lighting, quantum computers, and QD lasers," says Frost & Sullivan Research Analyst Shyam Krishnan. "However, manufacturing inefficiencies of complicated, expensive synthesis processes have limited their adoption."

QMC manufactures unique Tetrapod QDs using a technology licensed from William Marsh Rice University. QMC's QD synthesis process allows for mass-production in a very cost-efficient and "green" manner while competitors use industry-standard dual-injection colloidal synthesis, which is expensive, uses toxic chemicals and is generally not viable for commercialising large-scale applications.

In short, QMC's technology has eliminated most of the industrial challenges facing large-scale adoption of QD technology. Moreover, the company's unique synthesis eliminates conventionally used solvents, replacing them with cheaper and less toxic solvents that reduce the cost and improve the effectiveness of the process.

"A major advantage of QMC's Tetrapod QD manufacturing technique is its flexibility; it can fabricate Tetrapod QDs from 12 different elements, which allows for RoHS compliance," observes Krishnan. "The process also allows for the width and length of the Tetrapod QD's arms to be fine-tuned for any desired application. For example, short QD arms for biotech applications, and longer QD arms to improve electron transport in solar cells."

QMC is mainly focusing on developing products through collaboration and joint ventures. But the firm also plans to make available research quantities to nanotech oriented universities at a substantially lower price and also focus on R&D units for electronic device manufacturers.

With this approach, QMC will be able generate goodwill among market players. Hence, QMC's QD technology is poised for strong adoption in diverse fields, such as lighting, displays, solar energy, sensors, optoelectronics, and flexible electronics.

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