Publication date: 1st April 2013
The growing demand for renewable energy requires the development of efficient and inexpensive solar cells. Recently, semiconductor nanocrystals have been consideredas promising candidates for next generation solar cells due tothe combination of superior optical properties with the opportunities for inexpensive, solution-based device fabrication. Furthermore, inorganic-organic hybrid structures have become innovative alternatives for next-generation solar cells as they can combine semiconductor nanocrystals or inorganic-organic hybrid materials as light harvester and conducting polymers as hole transport materials. Based on the convergence concept combining the specific advantages of nanocrystalline semiconductor (including quantum dots), nanostructured architecture and inorganic/organic materials,we demonstrated highly efficient solar cells exceeding 12 % in a power conversion efficiency of under air-mass 1.5 global (AM 1.5G) illumination of 100 mW cm–2 intensity, for the most efficient device.These results lead to fabricate more efficient and cost-effective inorganic-organic hybrid solar cells in the future.Here, we will present some of results obtained with different light harvesters and hole transporting materials.
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