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. 2021 Apr 6;11(8):4893–4907. doi: 10.1021/acscatal.0c05606

Table 4. TPD Measurements of Acid–Base Properties for Morphologically Controlled Ceria.

morphology CO2 desorbeda/μmol g–12 CO2 desorbeda/μmol m–2 NH3 desorbedb/μmol g–1 NH3 desorbedb/μmol m–2 basicity/acidity ratio
Ce–C 95 4.1 13 0.56 7.3
Ce–R 138 1.6 23 0.27 6.0
Ce–P 100 1.7 15 0.26 6.5
a

Calculated from CO2 TPD.

b

Calculated from NH3 TPD.