STTR Phase II: Scalable fabrication of stable perovskite solar panels using slot-die coating technique

这个小型企业技术转让（STTR）第二阶段项目的更广泛的影响/商业潜力是促进新的低成本和高效率太阳能电池的发展。该工艺以丰富的自然资源为原材料，采用新颖的技术制造出可在塑料箔上印刷的部件，大大降低了制造和安装成本。该项目将为太阳能电池行业开发先进的制造技术。STTR第二期项目旨在开发一种可靠、可重复、成本效益高的钙钛矿光伏（PV）设备，使用行业验证的槽模涂层技术，最终生产柔性和刚性、高效的钙钛矿太阳能电池（PSC）。在最近的研究中，钙钛矿太阳能电池的效率已经飙升到22%以上，现在可以与碲化镉和硅基太阳能电池板相媲美。大多数研究实验室钙钛矿太阳能电池设备是通过自旋铸造制造的，设备面积小于1平方。尽管钙钛矿太阳能电池技术取得了进步，但要实现商业化，还需要解决三个基本问题：设备寿命、可控的钙钛矿沉积和改进的制造，尤其是在可扩展性方面。该项目的目标是：1)为600- 1200mm及以上的大型太阳能电池板生产混合钙钛矿（HP）槽模沉积解决方案；2)为钙钛矿-硅串联光伏电池构建槽模涂层解决方案；3)进行建模和可靠性研究，以优化系统。该奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

The broader impact/commercial potential of this Small Business Technology Transfer (STTR) Phase II project is to advance the development of new low-cost and high-efficiency solar cells. This process uses abundant natural resources as the raw material, using a novel technology to make parts that can be printed on plastic foils to significantly reduce manufacturing and installation costs. This project will develop advanced manufacturing technology for the solar cell industry. This STTR Phase II project proposes to develop a reliable, reproducible, and cost-effective upscaling of perovskite photovoltaic (PV) devices using an industry-proven slot-die coating technique, to ultimately produce flexible and rigid, highly efficient perovskite solar cells (PSC). The efficiency of perovskite solar cells has surged to over 22% in recent research and now rivals that of CdTe, and Si-based solar panels. Most research lab perovskite solar cell devices are fabricated via spin casting and have a device area of less 1 sq. cm. Despite the progress of perovskite solar cell technology, three fundamental issues need to be addressed for commercialization: device lifetime, controllable perovskite deposition, and improved manufacturing, especially in the area of scalability. This project's objectives are to: 1) produce a hybrid perovskite (HP) slot-die deposition solution for large solar panels sized 600-1200 mm and beyond, 2) build slot-die coating solution for perovskite-silicon tandem photovoltaic cells, and 3) conduct modeling and reliability studies to optimize the system.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.