. 2020 Nov 12;11(23):10060–10066. doi: 10.1021/acs.jpclett.0c03020

Table 2. Oxidation State and Coordination Environment of Copper in Cu-SAPO-34 Catalyst Obtained from Linear Combination Fit (LCF) (Figure S6) and from Analysis of the k²-Weighted EXAFS Data (Table S2 and Figure S7) at Different Reaction Conditions.

reaction condition	temperature (K)	Cu⁺ (%)	Cu²⁺ (%)	N^a	r^b (Å)
2NO + 0.5NH₃	353	35	65	3.2	1.940
	423	92	8	1.7	1.882
	523	100	0	1.6	1.879
2NO + 5O₂	353	0	100	3.9	1.915
	423	0	100	3.9	1.912
	523	0	100	3.9	1.913
2NO + 0.5NH₃ + 5O₂	353	0	100	3.6	1.926
	423	65	35	2.5	1.890
	523	45	55	2.9	1.902

Coordination number.

Average distance over the first coordination shell.

Table 2. Oxidation State and Coordination Environment of Copper in Cu-SAPO-34 Catalyst Obtained from Linear Combination Fit (LCF) (Figure S6) and from Analysis of the k2-Weighted EXAFS Data (Table S2 and Figure S7) at Different Reaction Conditions.