| Abstract
| - In this paper, we report a novel route to the synthesis of high-quality, large-pore periodic mesoporousorganosilicas (PMOs) using triblock copolymer P123 as a template. The novelty lies in that highly orderedPMOs can only be synthesized at a limited range of low acid concentrations, which differs from traditionalapproach to the synthesis of similar materials including large-pore periodic mesoporous silicas (PMSs). Therole that acid plays in the synthesis of high-quality PMOs and PMSs was critically examined, compared, andinterpreted.
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