Conjugated polymers doped with metal ions offer superior material properties in the development of next generation flexible PV technology [1]. Charge transport mechanism in metallated conjugated polymer with different solvent processing was described by A.F. Mitul in [1]. In this work, the modification of heavy metals e.g, Pt, Ru etc in organometllic solar devices are investigated. The variation in device performance i.e, open circuit voltage (Voc), external quantum efficiency (EQE) is explained in the light of nano scale morphology. Change of heavy metals in organicchemical structure provides differences in nanoscale morphology and hence, it describes the favorable condition for optimum device performance.
KEYWORDS: Solar cells, Polymers, Annealing, Silver, Zinc oxide, Solar energy, Atomic force microscopy, 3D image processing, Photovoltaics, Electrical engineering
Solution processed tandem polymer solar cell has drawn a great deal of attention due its low cost, ease of production and capability of harvesting solar energy more efficiently. In solution processed tandem polymer solar cell, the most challenging part is the optimization of interfacial layer. In this work, we have investigated the robustness of PEDOT:PSS/AZO/PEIE interfacial layer to develop tandem polymer solar cell. While developing triple junction polymer solar cell, temperature of second interfacial layer has also a great impact on overall device performance. Here, the performance of tandem polymer solar cell was investigated on different temperature of interfacial layer.
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