Druffel T. – TechConnect Briefs

Rapid processing using Intense Pulsed Light

Druffel T., University of Louisville, US

The Intense Pulsed Light (IPL) technology is well suited to continuous manufacturing platforms such as roll-to-roll due to its very large processing area and rapid processing time scales. The IPL technique delivers high energy pulses [...]

Rapid processing of perovskite thin films for applications in PV

Druffel T., Lavery B., University of Louisville, US

Perovskite solar cells have the possibility of becoming the next generation of industrial solar cells due to their ease of manufacturing, use of common materials, and respectable efficiencies. Since the first report of perovskite solar [...]

Intense Pulsed Light Sintering and Reduction of Facile Copper Hydroxide Synthesis towards Printable Copper Contacts

Druffel T., Dharmadasa R., Draper G., University of Louisville, US

The printed electronics market is a rapidly growing field, with the market set to reach $3.6B by 2018. Conductive inks are used in a vast variety of technologies. Inks are typically composed of metallic particles [...]

Intense Pulsed Light Processing of Semiconductors for Photovoltaics

Druffel T., Dharmadasa R., University of Louisville, US

Thin film solar cells typically require post-growth heat treatment to improve the materials properties. In order to manufacture market competitive solar cells, material processing methods with low capital and running costs are required. One method [...]

Intense Pulsed Light Processing of Semiconductors for Photovoltaics

Druffel T., Dharmadasa R., University of Louisville, US

Thin film solar cells typically require post-growth heat treatment to improve the materials properties. In order to manufacture market competitive solar cells, material processing methods with low capital and running costs are required. One method [...]

Ambient Temperature Synthesis and Sintering of Conductive Aqueous Copper Inks

Druffel T., Jha M., Dharmadasa R., University of Louisville, US

Conducting films are becoming increasingly important for the printed electronics industry with applications in various technologies including antennas, RFID tags, photovoltaics, flexible electronics and displays. To date, expensive noble metals have been utilized in these [...]

Wide Area Deposition of Transparent Flexible Nanocomposites

Druffel T., Optical Dynamics, US

Our group has been involved in the deposition of thin film nanocomposites via spin coating in which the optical and mechanical properties of the composites is controlled by the volume packing of the inorganic nanoparticles. [...]

Total flexibility in thin film design using polymer nanocomposites

Druffel T., Buazza O., Lattis M., Farmer S., Optical Dynamics, US

Optically clear, mechanically flexible nanocomposites are created by doping host polymers with nanoparticles having higher or lower refractive indices. The composite materials preserve the viscoelastic properties of the binding polymers and exhibit infinite tunability between [...]