Scaling up carbon based printed perovskite solar cell technology at Aalto University

Syed Ghufran Hashmi^a, Taina Lamminmäki^a

^aDepartment of Applied Physics, Aalto University, P.O.Box 15100, Espoo, FI-00076 AALTO, Finland

NIPHO
Proceedings of International Conference on Perovskite Thin Film Photovoltaics and Perovskite Photonics and Optoelectronics (NIPHO20)

Sevilla, Spain, 2020 February 23rd - 25th

Organizer: Hernán Míguez

Poster, Syed Ghufran Hashmi, 085
Publication date: 25th November 2019

Among various conﬁgurations of PSCs, carbon back contact based printable mesoscopic perovskite solar cells (CPSCs) keep immense potential to generate low cost decentralized electricity production 1-5.

We have been developing this significantly low cost solar cell technology at Aalto University-Finland and have successfully up-scaled this promising perovskite solar cell structure from the lab sized devices to 10 x10 cm2 substrates based solar modules. We have now been further scaling up the technology on 20 x 20 cm2 and 30 x 21 cm2 glass substrates.

In our poster presentation, we aim to highlight our progressive transition from lab-scaled CPSCs to large area solar modules, which have been produced in completely clean room free conditions and by utilizing scalable printing technologies such as screen- printing and inkjet printing.

Our evidences for scaling up this emerging low cost and stable photovoltaic technology suggest that traditional scalable materials deposition methods can be successfully adopted to produce these perovskites based solar panels with highly reliable process control and extraordinary performance reproducibility.

References:

[1] [1] Hashmi, Ghufran., David Martineau., Michael Grätzel et al., Air processed inkjet infiltrated carbon based printed perovskite solar cells with high stability and reproducibility, Advanced Materials Technologies 2016, 1600183, 1-6.

[2] Hashmi, Ghufran., Michael Grätzel et al, Long term stability of air processed inkjet infiltrated carbon-based printed perovskite solar cells under intense ultra-violet light soaking, J. Mater. Chem. A, 2017, 5, 4797-4802.

[3] Hashmi, Ghufran., Michael Grätzel et al, High performance carbon-based printed perovskite solar cells with humidity assisted thermal treatment, J. Mater. Chem. A, 2017, 5, 12060-12067.

[4] A. Mei, X. Li, L. Liu, Z. Ku, T. Liu, Y. Rong, M. Xu, M. Hu, J. Chen, Y. Yang, M. Grätzel, H. Han, A hole-conductor-free, fully printable mesoscopic perovskite solar cell with high stability, Science 2014, 345, 295.

[5] Y. Hu, S. Si, A. Mei, Y. Rong, H. Liu, X. Li, H. Han, Stable Large‐Area (10 × 10 cm2) Printable Mesoscopic Perovskite Module Exceeding 10% Efficiency, Sol. RRL 2017, 1, 1600019.

Acknowledgements:

This work was financed by Business Finland.

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