Issue 1, 2024

Decal Ni mesh to enhance the conductivity of carbon back contacts in dye sensitized and perovskite solar cells

Abstract

Dye-sensitized solar cells (DSSCs) and perovskite solar cells (PSCs) are photovoltaic (PV) technologies that originally utilized precious metals like gold, silver, and platinum as counter-electrodes. Carbon materials are a low-cost alternative to traditional metal counter-electrodes in monolithic-DSSCs (M-DSSCs) and PSCs. However, the drawback of carbon-based counter-electrodes is that they often show a low electronic conductivity, which hinders the scale-up of these PV technologies. This study proposes using decal Ni-mesh produced through simple and scalable photolithography-assisted electroplating. The Ni-mesh is incorporated into the carbon layer to improve the counter-electrode conductivity in large-area M-DSSCs and PSCs. Carbon-counter electrodes embedded with Ni-mesh enhance the performance of M-DSSCs and PSCs by 132% and 41%, respectively. Impedance spectroscopy study shows that the embedded Ni-mesh effectively reduces the series resistance of the devices by half, leading to an enhancement in their overall performance.

Graphical abstract: Decal Ni mesh to enhance the conductivity of carbon back contacts in dye sensitized and perovskite solar cells

Supplementary files

Article information

Article type
Paper
Submitted
26 sen 2023
Accepted
10 dek 2023
First published
11 dek 2023
This article is Open Access
Creative Commons BY-NC license

Energy Adv., 2024,3, 307-315

Decal Ni mesh to enhance the conductivity of carbon back contacts in dye sensitized and perovskite solar cells

J. Martins, M. Pereira, S. Emami, D. Ivanou and A. Mendes, Energy Adv., 2024, 3, 307 DOI: 10.1039/D3YA00476G

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