Octillion Continues to Optimize Photovoltaic Properties of NanoPower Window™
Auburn Hills, MI – January 3, 2008 – Octillion Corp. (Symbol: OCTL), an alternative energy technology incubator, is pleased to provide an update on its ongoing research and development activities for the Company’s first-of-its-kind transparent glass window potentially capable of generating electricity.
Octillion’s NanoPower Window™ technology uses silicon nanoparticles that have the potential to convert conventional home, office and industrial glass windows into those capable of converting solar energy into electricity. The silicon nanoparticles are created through a unique electrochemical and ultrasound process that produces identically sized (1 to 4 nanometers in diameter) highly luminescent nanoparticles of silicon that provide varying wavelengths of photoluminescence with high quantum down-conversion efficiency of short wavelengths (50% to 60%).
“Our silicon nanoparticles are the foundation of our NanoPower Windows,” states Mr. Nicholas S. Cucinelli, President and CEO of Octillion Corp. “In fact, independent tests have shown that the same silicon nanoparticles used in Octillion’s NanoPower Window™ are also able to enhance the power output of conventional solar cells by up to 70% in the ultraviolet light range and 10% in the visible. Consequently, and contingent on the success of our ongoing research, we are optimistic that transparent cells based entirely on our nanomaterials will one day offer a cost-effective photovoltaic enhancement to conventional windows.”
In mid-2007, collaborating research scientists successfully engineered and assembled an early lab scale model of Octillion’s photovoltaic NanoPower Window™, a see-through developmental prototype, which achieved optically active down-conversion and displayed good electrical properties with no electrical shorts. This significant milestone was achieved in part due to the successful development of a protocol for reliably depositing nanoparticles onto glass surfaces using a proprietary electro spray system able to produce nanofilms of controllable thickness.
The electro spray deposition system allows the silicon nanoparticles to retain their high efficiency of down- conversion of UV light to the visible after being sprayed, a procedure that does not compromise the optical characteristics of the nanoparticles, both in intensity and spectral distribution, a prerequisite for efficient photovoltaic conversion.
Since the development of the initial prototype, the Company has been working to establish photovoltaic characteristics in its NanoPower Window™. These efforts include experimentation with different types and thicknesses of ultrathin transparent conductive coatings, verification of conversion efficiencies at various wavelengths (UV, blue, green, red, etc.), refinements to our electro spray deposition process, and variation of the deposition thickness of silicon nanoparticles in order to achieve maximum electronic transport and collection efficiency.
Successful outcomes from the above noted experimentation will allow the Company to advance its research and development initiatives for the NanoPower Window™. Future research goals will include, among other things, optimizing photovoltaic efficiency versus window transparency and eventually conducting a cost benefit engineering analysis.
“In addition to building on the basic research supporting our NanoPower Windows,” continues Mr. Cucinelli, “we are now also actively seeking to bolster our technology portfolio and accelerate our development by identifying, evaluating and potentially acquiring enabling and complementary photovoltaic and other alternative energy technologies. Our goal is to establish a robust pipeline of leading edge alternative energy technologies that have the real and significant potential of radically transforming the way in which we power our built environment, including homes, offices and buildings.”
SolarWindow Technologies, Inc. creates transparent electricity-generating liquid coatings. When applied to glass or plastics, these coatings convert passive windows and other materials into electricity generators under natural, artificial, low, shaded, and even reflected light conditions.
Our liquid coating technology has been presented to members of the U.S. Congress and received recognition in numerous industry publications. Our SolarWindow™ technology may generate 50-times the power of a conventional rooftop solar system and may achieve a one-year payback when installed on all four sides of a 50-story building, according to independently-validated power and financial modeling.
Power and Financial Model Disclaimer
The company's Proprietary Power Production & Financial Model (Power & Financial Model) uses photovoltaic (PV) modeling calculations, which are consistent with renewable energy practitioner standards for assessing, evaluating and estimating renewable energy for a PV project. The Power & Financial Model estimator takes into consideration building geographic location, solar radiation for flat-plate collectors (SolarWindow™ irradiance is derated to account for 360 degrees building orientation and vertical installation), climate zone energy use and generalized skyscraper building characteristics when estimating PV power and energy production, and carbon dioxide equivalents. Actual power, energy production and carbon dioxide equivalents modeled may vary based upon building-to-building situational characteristics and varying installation methodologies.
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