| Title | Reforming of Soluble Biomass and Plastic Derived Waste Using a Bias-Free Cu30Pd70|Perovskite|Pt Photoelectrochemical Device |
|---|---|
| ID_Doc | 8370 |
| Authors | Bhattacharjee, S; Andrei, V; Pornrungroj, C; Rahaman, M; Pichler, CM; Reisner, E |
| Title | Reforming of Soluble Biomass and Plastic Derived Waste Using a Bias-Free Cu30Pd70|Perovskite|Pt Photoelectrochemical Device |
| Year | 2022 |
| Published | Advanced Functional Materials, 32.0, 7 |
| Abstract | The production of clean fuels and chemicals from waste feedstocks is an appealing approach towards creating a circular economy. However, waste photoreforming commonly employs particulate photocatalysts, which display low product yields, selectivity, and reusability. Here, a perovskite-based photoelectrochemical (PEC) device is reported, which produces H-2 fuel and simultaneously reforms waste substrates. A novel Cu30Pd70 oxidation catalyst is integrated in the PEC device to generate value-added products using simulated solar light, achieving 60-90% product selectivity and approximate to 70-130 mu mol cm(-2) h(-1) product formation rates, which corresponds to 10(2)-10(4) times higher activity than conventional photoreforming systems. The single-light absorber device offers versatility in terms of substrate scope, sustaining unassisted photocurrents of 4-9 mA cm(-2) for plastic, biomass, and glycerol conversion, in either a two-compartment or integrated "artificial leaf" configuration. These configurations enable an effective reforming of non-transparent waste streams and facile device retrieval from the reaction mixture. Accordingly, the presented PEC platform provides a proof-of-concept alternative towards photoreforming, approaching more closely the performance and versatility required for commercially viable waste utilization. |
| https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/adfm.202109313 |
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