Bacteriorhodopsin Enhances Efficiency of Perovskite Solar Cells

Subhabrata Das, Congcong Wu, Zhaoning Song, Yuchen Hou, Rainer Koch, Ponisseril Somasundaran, Shashank Priya, Bernardo Barbiellini, Renugopalakrishnan Venkatesan

Research output: Contribution to journalArticle

Abstract

Recently, halide perovskites have upstaged decades of solar cell development by reaching power conversion efficiencies that surpass the performance of polycrystalline silicon. The efficiency improvement in the perovskite cells is related to repeated recycling between photons and electron-hole pairs, reduced recombination losses, and increased carrier lifetimes. Here, we demonstrate a novel approach toward augmenting the perovskite solar cell efficiency by invoking the Förster Resonance Energy Transfer (FRET) mechanism. FRET occurs in the near-field region as the bacteriorhodopsin (bR) protein, and perovskite has similar optical gaps. Titanium dioxide functionalized with the bR protein is shown to accelerate the electron injection from excitons produced in the perovskite layer. FRET predicts the strength of long-range excitonic transport between the perovskite and bR layers. Solar cells incorporating TiO2/bR layers are found to exhibit much higher photovoltaic performance as compared to baseline cells without bR. These results open the opportunity to develop a new class of bioperovskite solar cells with improved performance and stability.

Original languageEnglish (US)
Pages (from-to)30728-30734
Number of pages7
JournalACS Applied Materials and Interfaces
Volume11
Issue number34
DOIs
StatePublished - Aug 28 2019

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Bacteriorhodopsins
Perovskite
Energy transfer
Solar cells
Proteins
Electron injection
Carrier lifetime
Polysilicon
Excitons
Titanium dioxide
Conversion efficiency
Recycling
Photons
Perovskite solar cells
Electrons
perovskite

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Das, S., Wu, C., Song, Z., Hou, Y., Koch, R., Somasundaran, P., ... Venkatesan, R. (2019). Bacteriorhodopsin Enhances Efficiency of Perovskite Solar Cells. ACS Applied Materials and Interfaces, 11(34), 30728-30734. https://doi.org/10.1021/acsami.9b06372
Das, Subhabrata ; Wu, Congcong ; Song, Zhaoning ; Hou, Yuchen ; Koch, Rainer ; Somasundaran, Ponisseril ; Priya, Shashank ; Barbiellini, Bernardo ; Venkatesan, Renugopalakrishnan. / Bacteriorhodopsin Enhances Efficiency of Perovskite Solar Cells. In: ACS Applied Materials and Interfaces. 2019 ; Vol. 11, No. 34. pp. 30728-30734.
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Das, S, Wu, C, Song, Z, Hou, Y, Koch, R, Somasundaran, P, Priya, S, Barbiellini, B & Venkatesan, R 2019, 'Bacteriorhodopsin Enhances Efficiency of Perovskite Solar Cells', ACS Applied Materials and Interfaces, vol. 11, no. 34, pp. 30728-30734. https://doi.org/10.1021/acsami.9b06372

Bacteriorhodopsin Enhances Efficiency of Perovskite Solar Cells. / Das, Subhabrata; Wu, Congcong; Song, Zhaoning; Hou, Yuchen; Koch, Rainer; Somasundaran, Ponisseril; Priya, Shashank; Barbiellini, Bernardo; Venkatesan, Renugopalakrishnan.

In: ACS Applied Materials and Interfaces, Vol. 11, No. 34, 28.08.2019, p. 30728-30734.

Research output: Contribution to journalArticle

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AU - Hou, Yuchen

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AU - Somasundaran, Ponisseril

AU - Priya, Shashank

AU - Barbiellini, Bernardo

AU - Venkatesan, Renugopalakrishnan

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