Solar Evaporation-Induced Mass-Transfer Enhancement in a Biomass-Derived Dual-Network Aerogel for Selective Enrichment of Rare-Earth Ions来源：ACS PublicationsLow-concentration rare-earth industrial wastewater contains low target-ion concentrations and high concentrations of coexisting salts, which limit mass transfer in conventional static adsorption. A biomass-derived dual-network photothermal aerogel (CB@DCP) was developed, and a solar interfacial evaporation-assisted strategy was proposed to intensify mass transfer for selective rare-earth enrichment. CB@DCP comprises carboxymethyl chitosan, ...
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2026
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来源：ACS PublicationsCoal fly ash (CFA) represents a promising secondary source of rare-earth elements (REEs), yet their entrapment within the aluminosilicate glass matrix makes extraction difficult. Herein, we introduce a strategy that combines NaOH roasting CFA pretreatment with subsequent citric acid leaching for high REE recovery under operationally benign conditions. NaOH roasting improves REE accessibility through partial aluminosilicate network depolymerization, increasing surface area, generating mesoporosity, enhancing surface wettability, and creating active sites for sodium aluminosil...
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2026
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来源：ACS PublicationsRare earth oxide phosphates (oxyphosphates), with extended metal-oxygen-phosphate bonding networks and a high rare-earth metal-to-phosphorus ratio (RE/P > 1), are promising materials for thermal and environmental barrier coatings in aircraft, rockets, and hypersonic vehicles because of their refractory properties. However, challenges such as complex crystal chemistry, phase purity control, and the absence of reliable phase diagrams due to a lack of thermodynamic data complicate their application. We synthesized a full series of rare-earth oxyphosphates with compositio...
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2026
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来源：ACS PublicationsSurface plasmons modulate rare-earth luminescence via local field enhancement and photothermal effects, yet the synergy-competition between these inherently coupled effects remains to be decoded, impeding precise level-selective control. Herein, we construct a Yb3+, Er3+ upconversion system with different metals (Au/Ag nanoislands) and host morphologies (prism/plate), and combine steady-state spectroscopy, fluorescence lifetime dynamics, and multiphysics simulations to decode their interplay. We unveil pronounced level selectivity: the 2H11/2→4I15/2 transition is dominated b...
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2026
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