Perovskite Solar Cells Challenges and Promises
December 8th, 2023 (GMT-5)
Department of Chemistry & Department of Chemical, Biological and Materials Engineering, University of South Florida
Ioannis Spanopoulos is an Assistant Professor at the Departments of Chemistry, Chemical, Biological and Materials Engineering at the University of South Florida, FL and he is the director of the SMMARTT center at USF. Research at the Spanopoulos Group focuses on utilizing molecular and crystal engineering for the design and synthesis of next-generation, environmentally stable and friendly hybrid materials. These materials feature multiple functionalities, targeting applications such as photovoltaics, spintronics, sensing, gas-separation, solid-state batteries, water purification, environmental remediation and photo-catalysis. He has received the 2020 IIN Outstanding Researcher award from the International Institute for Nanotechnology and the 2022 ACS PRF Doctoral New Investigator Research award.
Inorganic-organic halide perovskites pose a once-in-a-generation opportunity to revolutionize photovoltaic technology as they are excellent semiconductor candidates with a combination of many desirable attributes. Specifically, halide perovskite solar cells with extremely high device efficiency are easily fabricated and present great promise for commercialization in the near future. However, their non-ideal environmental stability under real operating conditions can limit their further development. Both the academic and industrial research communities have been devoting considerable effort to overcome this critical deficiency via material and device engineering. Significant progress has been reported in this direction, focusing on two interwoven topics. The first one is the development of environmentally stable semiconductor materials, while the second one is focused on improving solar cell device stability. Although the currently adopted methods have not resolved the above problems, they build a foundation of principles for future advances to overcome them.
In this workshop, we will present current state-of-the-art strategies that address current perovskite solar cell deficiencies towards commercialization. We will discuss the advancements in materials discovery as well as device engineering to improve both long-term environmental stability and toxicity concerns from the composition of the light-absorbing layer. The use of lead-free semiconductors, as well as the utilization of next-generation water-stable compounds as capping/light-absorbing layers, can actually solve the device’s long-term operational stability.
Scope and Information for Participants:
This workshop is a great opportunity for junior researchers and students to participate and interact with experts in solar cell device engineering and characterization. Particular focus will be placed on structure-property relationships, especially in terms of optical, structural and environmental stability properties. The scope of the workshop pertains to the development of next-generation materials and solar cells and encompasses Chemistry, Materials Science and Physics. The contributors are expected to address the main questions and challenges in materials and device design.
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