Prof. Yang and colleagues have developed a novel method of preparing organic-inorganic thin films using a solution process followed by vapor treatment, presenting a low-cost, high-performance solution method of producing optoelectronic devices.
Organic-inorganic hybrid materials, particularly including perovskite-family materials, represent a new class of materials that may combine desirable properties of both organic and inorganic materials. Organic materials have low manufacturing costs and versatile properties and applications for electronic devices. Inorganic materials typically produce higher performing devices, but require expensive, complicated manufacturing and have limited application versatility. Perovskite hybrid materials have been proven to combine the high performance of inorganic materials with the flexibility of organic materials. However, the highest performing perovskite-based devices typically are fabricated using costly vacuum deposition techniques and high temperatures. An alternative method, along with improvements in performance, would allow the perovskite-based electronic devices to be competitive alternatives to traditional silicon and other inorganic technologies.
Professor Yang and colleagues have developed a method of preparing organic-inorganic thin films using a solution process followed by a vapor treatment, instead of the standard costly vacuum deposition methods. This process maintains properties similar to perovskite materials-based electronics fabricated using vacuum deposition methods, while offering the low cost and flexibility of solution processing. Applications of this technology include lasers, photovoltaics, LEDs, field-effect transistors and superconductors.
Prototype perovskite-based solar cell devices have been fabricated with efficiencies of 15%.
|United States Of America||Published Application||20160285021||09/29/2016||2014-251|
Solar cell, photovoltaic, renewable, OPV, organic, polymer solar cell, perovskite, alternative energy, solution process