Rapid, low-temperature processing of dye-sensitized solar cells

Holliman, Peter J.; Connell, Arthur; Davies, Matthew L.; Carnie, Matthew J.; Watson, Trystan

doi:10.1533/9780857096371.1.42

Cited by 4 publications

(1 citation statement)

References 134 publications

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“…Scaling solar cell manufacturing requires a switch from batch to roll-to-roll (R2R) processing to accelerate throughput [1]. Third generation photovoltaics, such as perovskite solar cells (PSC), offer the potential of R2R manufacturing because these are solution processable and are, therefore, printable devices [2].…”

Section: Introductionmentioning

confidence: 99%

Metal Oxide Oxidation Catalysts as Scaffolds for Perovskite Solar Cells

et al. 2020

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Whilst the highest power conversion efficiency (PCE) perovskite solar cell (PSC) devices that have reported to date have been fabricated by high temperature sintering (>500 °C) of mesoporous metal oxide scaffolds, lower temperature processing is desirable for increasing the range of substrates available and also decrease the energy requirements during device manufacture. In this work, titanium dioxide (TiO2) mesoporous scaffolds have been compared with metal oxide oxidation catalysts: cerium dioxide (CeO2) and manganese dioxide (MnO2). For MnO2, to the best of our knowledge, this is the first time a low energy band gap metal oxide has been used as a scaffold in the PSC devices. Thermal gravimetric analysis (TGA) shows that organic binder removal is completed at temperatures of 350 °C and 275 °C for CeO2 and MnO2, respectively. By comparison, the binder removal from TiO2 pastes requires temperatures >500 °C. CH3NH3PbBr3 PSC devices that were fabricated while using MnO2 pastes sintered at 550 °C show slightly improved PCE (η = 3.9%) versus mesoporous TiO2 devices (η = 3.8%) as a result of increased open circuit voltage (Voc). However, the resultant PSC devices showed no efficiency despite apparently complete binder removal during lower temperature (325 °C) sintering using CeO2 or MnO2 pastes.

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Section: Introductionmentioning

confidence: 99%

Metal Oxide Oxidation Catalysts as Scaffolds for Perovskite Solar Cells

et al. 2020

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Photoelectrocatalysis as a high-efficiency platform for pulping wastewater treatment and energy production

Rajput

Kwon

Younis

et al. 2021

Chemical Engineering Journal

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In situ monitoring and optimization of room temperature ultra-fast sensitization for dye-sensitized solar cells

et al. 2014

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We describe the fastest dyeing of TiO2 photo-electrodes for dye-sensitized solar cells reported to date (<2 min) at room temperature giving η = 7.5% for an N719-SQ1-CDCA mixture which is significantly higher than devices dyed for >12 h using the same dye mixture (η = 5.5%). Time-lapse photography has been used to monitor the ultra-fast co-sensitization. The data show significantly different dye uptake between passive and pump dyeing reflecting competitive sorption between a Ru complex (N719) and an organic dye (SQ1).

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Rapid, low-temperature processing of dye-sensitized solar cells

Cited by 4 publications

References 134 publications

Metal Oxide Oxidation Catalysts as Scaffolds for Perovskite Solar Cells

Metal Oxide Oxidation Catalysts as Scaffolds for Perovskite Solar Cells

Photoelectrocatalysis as a high-efficiency platform for pulping wastewater treatment and energy production

In situ monitoring and optimization of room temperature ultra-fast sensitization for dye-sensitized solar cells

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