The electrochemical carbon dioxide reduction on copper attracted considerable {attention|interest|focus|consideration} {within|inside} the {last|final} decade, {since|because|given that|considering that|due to the fact|considering the fact that} Cu {is the|will be the|may be the|would be the|could be the|is definitely the} only elemental transition metal that catalyses the formation of short-chain hydrocarbons and alcohols. {Research|Study|Analysis|Investigation} in that field is {mainly|primarily|mostly} concentrated on understanding the reaction mechanism {in terms of|when it comes to|with regards to} adsorbates and intermediates. {Furthermore|Moreover|In addition|Additionally}, dynamic {changes|modifications|adjustments|alterations} {in the|within the|inside the} microenvironment {of the|from the|in the|on the|with the|of your} catalyst, i.e. {local|nearby|neighborhood|regional} pH and CO2 concentration values, play an equivalently decisive {role|function|part} {in the|within the|inside the} selectivity of {product|item|solution} formation. {In this|Within this} study, we present an in operando 13C Nuclear Magnetic Resonance (NMR) {technique|method|approach|strategy} that enables the simultaneous measurement of pH and CO2 concentration in electrode vicinity {during|throughout|in the course of|for the duration of|through} electroreduction. The influence of applied {potential|possible|prospective} and buffer capacity {of the|from the|in the|on the|with the|of your} electrolyte {on the|around the} formation of formate is demonstrated. Herewith, theoretical considerations are confirmed experimentally {and the|and also the|as well as the|along with the|plus the} {importance|significance|value} {of the|from the|in the|on the|with the|of your} interplay {between|in between|among|amongst|involving} catalyst and electrolyte is highlighted. Bromo-PEG2-C2-acid custom synthesis 1450754-38-7 structure PMID:24257686
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