Gold Nanoparticles Size Design and Control by Poly(N,N′-diethylaminoethyl methacrylate)

Table 1

Synthesis results of AuNPs prepared at different reaction conditions.

Reaction (RX)	Polymer	in g/mol ()	Solvent	pH	Ratio polymer : Au; (mg/mg)	(nm)	(nm)	(nm)
1	None	—	Water	7	4 : 1	543	19	—
2	PDEAEM	9000 (1.18)	Water	4.8	3.75 : 1	520	110	4.9 ± 0.9
3	PDEAEM	18000 (1.97)	Water	4.8	3.75 : 1	520	13	7.5 ± 0.8
4	PDEAEM	24500 (1.31)	Water	4.8	3.75 : 1	521	19	4.4 ± 1.4
5	PDEAEM	29300 (1.1)	Water	4	4 : 1	519	21	4.4 ± 0.9
6	PDEAEM	18000 (1.97)	Water	3	3.75 : 1	526	27	15 ± 1.8
7	PDEAEM	29300 (1.1)	Dioxane : water (15 : 1)	—	4 : 1	526	—	10.1 ± 1.1
8	PDEAEM	18000 (1.97)	Ethanol	—	3.75 : 1	521	72	4.6 ± 1.5
9	PDEAEM	18000 (1.97)	Isopropanol	—	3.75 : 1	531	569	3.5 ± 1.0

is the number average molecular weight; = / is the dispersity in molecular weight.
is the maximum of the surface plasmon resonance peak.
is the hydrodynamic diameter of AuNPs@PDEAEM.
is the average diameter of AuNPs by scanning transmission electron microscopy (STEM).