Perylenediimides and Phthalocyanines as components in Perovskite Solar Cells
Ana M. Gutierrez a, Felix Manjon a, Adrian Arrroyo a, Joaquin Rives a, David Gutierrez-Moreno a, Desire Molina a, Jorge Follana a, Fernando Fernandez-Lazaro a, Luis Martin-Gomis a, Angela Sastre-Santos a, Sara Pla a
a Organic Chemistry Area, Instituto de Bioingenieria, Universidad Miguel Hernandez de Elche, Avda. Universidad s/n, Elche, 3202, Spain
Proceedings of Perovskite Thin Film Photovoltaics (ABXPV17)
València, Spain, 2017 March 1st - 2nd
Organizers: Henk Bolink and David Cahen
Oral, Angela Sastre-Santos, presentation 033
Publication date: 18th December 2016

Recently, inorganic-organic based perovskite solar cells (PSCs) have attracted incredible attention due to its unprecedented rise in the PCE value, from 3.8% to 22% in a short span of time. [1]

Phthalocyanines (Pcs) are outstanding dye candidates in for dye sensitized solar cells (DSSCs) due to their high extinction coefficient in the visible and near-infrared spectral region and to their high thermal and chemical stabilities. Pcs incorporated in DSSCs have achieved PCEs as high as 6.4 %, [2] still far away from the 12.75% PCE obtained by porphyrins, their closest relatives. An elegant strategy to improve the light-harvesting ability of the Pcs is the extension of the aromatic structure by generation aromatic-fused analogues of Pc having a red-shifted absorption. The same strategy will be also tested in PSCs as electron donor systems. 

On the other hand, perylenediimides (PDIs) are quite promising n-semiconducting materials as non-fullerene acceptors. Efficiencies higher than 8.4 % have been achieved in organic solar cells.[3]  On the other hand, PDIs have been used in perovskite solar cells as ionic interlayers, which can successfully replace the use of reactive electrodes, since they facilitate the electron extraction while reducing the non-radiative recombination at the electron transport interface.[4] 

Herein, we will report our more recent results related with the synthesis of different substituted phthalocyanines and perylenediimides and the improvement in efficiency in PSCs. 


[1] National Renewable Energy Labs (NREL) Efficiency Chart, NREL 2016.

[2] L. Martín-Gomis, F. Fernández-Lázaro, Á. Sastre-Santos,  J. Mater. Chem. A  2, 15672, (2014).

[3] F. Fernández-Lázaro, N. Zink-Lorre, Á. Sastre-Santos. J. Mater. Chem. A 4, 9336 (2016).

[4] L. Gil-Escrig, C. Momblona, D. Forgács, S. Pla, F. Fernández-Lázaro, M. Sessolo, Á. Sastre-Santos, H. J. Bolink. Org. Electron. 37, 396 (2016).

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