Synthesis of Iron Oxide Nanoparticles Using Isobutanol

Table 3

Average nanoparticle size for the iron oxide samples from SEM and XRD.

Sample	Average particle size (nm)
	SEM	XRD^+
S1	11 ± 4
S2	22 ± 5
S3	22 ± 9
S4	30 ± 13	28.2 ± 4.5
S5	34 ± 13	31.2 ± 12.5
S6	39 ± 13	31.1 ± 7.5
S7	48 ± 12	23.2 ± 7.9
S8	52 ± 30	55.8 ± 29.8
S9	42 ± 22
S10	35 ± 7	27.2 ± 6.5
S11	32 ± 14	29.6 ± 4.7
S12	8 ± 1
S13	16 ± 4	20.7 ± 6.9
S14	13 ± 3	28.3 ± 9.8

Synthesis temperature was 90°C.
⁺The size was deduced by the Scherrer equation (1).