Reactive Transfer Films Synthesis: a Novel Method for Advanced Coating Production (Printed Electronics USA 2006)

Dr Ronald Gale,
Heliovolt Corporation, United States
 

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Presentation Summary

  • The RTFS method combines pressure, voltage, and pulse heating of two independently optimized precursor films in a contained environment to reactively create coatings
  • Printing of advanced functional coatings by the RTFS method provides unique flexibility for the control of material properties
  • A specific example of RTFS will be described in the context of the synthesis of CIGS compound semiconductor coatings for photovoltaic applications, where HelioVolt Corporation's proprietary implementation of the process is referred to as FASST™.

Speaker Biography

With an illustrious career spanning more than 25 years in the solar industry, HelioVolt Corporation's CEO and Founder Dr. B.J. Stanbery is an expert in the business and science of photovoltaic materials. Dr. Stanbery won recognition in 2005 for his theoretical model of CIGS, the material that HelioVolt is currently developing for photovoltaic building products. Representing a fundamental accomplishment in ongoing efforts to understand the device physics behind this thin-film material, the Intra-Absorber Junction (IAJ) or Stanbery model, revealed that CIGS' inherent physical properties make it one of nature's best solar materials. He founded HelioVolt in 2001 to develop and commercialize his groundbreaking FASST™ process for applying CIGS thin-film photovoltaics directly to conventional construction materials. Renowned for his innovations in the design and manufacture of PV devices, Stanbery steered industry giant Boeing towards that goal, registering seven patents in thin-film PV technology, successfully manufacturing and deploying PV for spacecraft, and in 1990 achieving the world record in multi-junction thin-film cell efficiency, a distinction he still holds to this day.

Company Profile

HelioVolt Corporation was founded in 2001 to develop and market new technology for applying thin-film photovoltaic coatings to conventional construction materials.
 
HelioVolt has developed the fastest, most efficient way to manufacture CIGS (Copper Indium Gallium Selenide), the most reliable, best-performing thin film material for PV. With a photovoltaic layer that is 100 times thinner than conventional silicon solar energy systems, CIGS thin-film drives substantial material efficiencies. HelioVolt's FASST manufacturing process produces high-quality CIGS photovoltaics in 6 minutes, a further 80-98 percent reduction in time over other thin-film manufacturing processes. Not only is HelioVolt's innovation driving manufacturing and performance efficiencies, it is fundamentally reinventing the solar concept. Leveraging FASST, HelioVolt can apply CIGS thin-film directly onto traditional construction materials including architectural glass, steel and roofing. Transforming building exteriors into solar power electricity generating systems, HelioVolt's customizable photovoltaics side-step bulky retrofit solar panels in favor of sleek, efficient new construction materials.