Conference Proceeding

Development of nanocomposite materials enabling to enhance stability and efficiency of hybrid solar cells

Dr. Heming Wang,
Sheffield Hallam University, Sheffield, UK
Dr. Wang is Senior Research Fellow and Principal Investigator in Materials & Engineering Research Institute (MERI) at Sheffield Hallam University in the UK. He is currently leading his research group and working on aspects of hybrid sol-gel materials, solar energy materials and photovoltaic devices, electrically conductive nanomaterials, solid electrolytes and electrical materials for energy storage, functional adhesives/coatings for aerospace polymer-carbon composites, anticorrosion and antibiofouling coatings for aerospace and marine applications, CVD deposited materials, etc. Dr. Wang supervises/superivised+10 Ph.D students with +30 Journal publications/patents. He has wide collaborations with many international and national companies. Dr Wang obtained his Ph.D from Sheffield Hallam University and Master/Bachelor degrees from Zhejiang University, China.

Si-wafer-based solar cells (SWSGs) currently dominate the photovoltaic market with ~ 90% of the market share. Half of their cost comes from manufacturing of silicon wafers. High-cost compared to that of fossil fuels has restricted their wide adoption for renewable energy. Therefore, solution-processed solar cells have attracted enormous interests owing to their potential low-cost via roll-to-roll fabrication methods at low temperature. In recent years, significant progress has been made in polymer and hybrid solar cells (PHSGs). Particularly for halide perovskite-based solar cells, their power conversion efficiency has matched to that of SWSGs. However, the main issue faced by PHSGs is their poor stability, which deters the large-scale deployment. Hybrid nanocomposite (NC) materials can play their key roles on enhancement of stability and efficiency for PHSGs; e.g. a sol-gel/PEDOT:PSS NC material revealsa “water-impermeable” property as hole transport layer in solar cells and polymer-perovskite nanocomposites provide a novel route for exploring stable and high-efficient light absorber. This talk will present our recent work (patented technologies) in these aspects.

Published: 27 April 2017