Furthermore, there is an overall trend of increasing pore size (NTU-73-COOH: 4.5 × 5.2 Å 2 and 3.9 × 5.6 Å 2 ; NTU-73-CF 3 : 3.7 × 5.2 Å 2 and 4.2 × 7.8 Å 2 ; NTU-73-CH 3 : 4.4 × 5.4 Å 2 and 6.2 × 9.2 Å 2 ) as the functional group size gradually decreases ( Fig. 1 ).
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Systemic regulation of binding sites in porous coordination polymers for ethylene purification from ternary C2 hydrocarbons.
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