Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
Organo-lead triiodide perovskite (CH3NH3PbI3) based solar cells have drawn significant attention from the solar research community in recent years due to its prompt jump in photovoltaic performance from mere 3.8% to over 20% within a short time scale. [1] The ease of fabrication and the economical prospect of this solution based technology with cheap materials have attained a milestone to be used as next generation solar cells, which could compete with currently used silicon-based solar cells.
However, the successful implementation of these photovoltaic devices to the subsequent level in stable and cost-effective operation remains a challenge. The main concern lies with stability issue emanating particularly from temperature and humidity. [2]
The monolithic type three-layered perovskite solar cells engage earth abundant porous carbon based back contacts; have attracted much owing to its ease of fabrication and low production cost. The fabrication of the three layer printable perovskite solar cells in the structure FTO glass/ cp TiO2/ mp TiO2/ mp ZrO2/ porous carbon/ infiltrated perovskite (CH3NH3PbI3) were implemented. The sealing protocol with the effect in UV curable gel was tested against thermal shock on fabricated devices at several temperature ranges. The PCE of bare and over sealed devices have observed the degraded behavior with the time. On the other hand, side sealed devices were able to sustain the prolonged thermal shock test while maintaining the initial PCEs. [3] The 100 °C thermal shock test and its effect on stabilized PCE over 1500 hrs are observed with a novel sealing procedure and the further stability study will be carried out in the conference.
References
[1] W.-S Yang, J.-H. Noh, N.-J Jeon, Y.-C. Kim, S. Ryu, J. Seo, S.I. Seok, Science, 2015, 348, 1234–1237.
[2] D. Wang, M. Wright, N. K. Elumalai, A. Uddin, Sol. Energy Mater. Sol. Cells (2016), 147, 255-275.
[3] A. K. Baranwal, S. Kanaya, T. A. N. Peiris, G. Mizuta, T. Nishina, H. Kanda, T.Miyasaka, H. Segawa, S. Ito, ChemSusChem, 2016, 9 (18), 2604-2608.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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