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Zaborowska-Mazurkiewicz, Michalina; Torabi, Mostafa; Chyży, Piotr; Pięta, Izabela; Pięta, Piotr; Bilewicz, Renata, 2026, "Experimental and computational dataset: Langmuir-Schaefer characterization and electrocatalytic CO2 reduction performance of Au25(SC4)18/DDAB modified electrodes", https://doi.org/10.58132/TXPOP7, Dane Badawcze UW, V1
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This study investigates the surface engineering of highly oriented pyrolytic graphite (HOPG) electrodes modified with atomically precise Au₂₅(SC₄)₁₈ gold nanoclusters (AuNCs) and didodecyldimethylammonium bromide (DDAB) cationic surfactant via the Langmuir-Schaefer (LS) technique for electrocatalytic CO₂ reduction (CO₂RR). By adjusting the component ratio and transfer surface pressure, the co-assembly optimizes nanocluster dispersion and creates a hydrophobic microenvironment around the active sites. A 5 mol% DDAB fraction (AuNCs/DDAB 95/5%) provides the ideal balance: it suppresses nanocluster aggregation, enriches local CO₂ concentration, and minimizes water accessibility, thereby suppressing the competing hydrogen evolution reaction (HER). Consequently, this optimized film achieves lower charge-transfer resistance, enhanced electrocatalytic activity, and high product selectivity compared to pure AuNC modifications.
gold nanocluster, CO2 electroreduction (CO2RR), Langmuir-Schaefer films, microenvironment engineering
Surfactant Doping Effect on the Performance of Gold Nanocluster-Modified Electrodes for CO2 Electroreduction Michalina Zaborowska-Mazurkiewicz; Mostafa Torabi * ; Piotr Chyży; Izabela Pięta; Piotr Pięta; Renata Bilewicz * ACS Appl. Energy Mater. (2026) https://doi.org/10.1021/acsaem.6c01963 https://doi.org/10.1021/acsaem.6c01963 doi: doi.org/10.1021/acsaem.6c01963
CC BY - Creative Commons Attribution 4.0
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