ArticleThe journal of physical chemistry. C, Nanomaterials and interfaces2026
Cu-Enabled Photoinduced Charge Transfer in Green-Processed Cu-BPDC Metal-Organic Framework Films on FTO.
Article in The journal of physical chemistry. C, Nanomaterials and interfaces, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Photosensitive metal-organic frameworks (MOFs) provide chemically tunable platforms for studying light-induced charge transfer at solid/electrolyte interfaces, yet many reported systems rely on energy-intensive synthesis, organic solvents, or rare and/or toxic metal ions. Here, building on our previously reported ambient, water-assisted eco-LAGent synthesis of Cu-BPDC and Zn-BPDC MOFs, we formulate these materials as Nafion-bound films on fluorine-doped tin oxide (FTO) electrodes and evaluate their photoelectrochemical behavior. The resulting electrode platform enables a controlled comparison of the two MOFs under matched coating, electrolyte, and illumination conditions. The combination of earth-abundant Cu and Zn with the carboxylate ligand biphenyl-4,4'-dicarboxylate (BPDC) provides a chemically matched platform for comparing a redox-active Cu-BPDC MOF with a closed-shell Zn analogue under the same coating, electrolyte, and illumination geometry. Comparable scan-rate cyclic voltammetry (CV) showed a broad Cu-associated redox feature for Cu-BPDC, whereas Zn-BPDC remained comparatively featureless over the same potential window. Under chopped-light chronoamperometry (CA) at +0.449 V versus RHE, Cu-BPDC generated a sustained cathodic response of +0.448 ± 0.009 μA cm
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