Table 1. Reactions relevant for the electron source of Fig. 2 including a model reaction (X) for the utilization of the product e˙–aq, their rate constants in homogeneous aqueous phase and aqueous SDS micellar solution, and cross reference with the ESI†.

Label a	Reaction	Rate constant b		Section of ESI† or reference
		In water	In SDS
	3[Ru(bpy)3]2+ natural life	2.0 × 106	1.5 × 106	3.5
EnT	3[Ru(bpy)3]2+ + Py– → [Ru(bpy)3]2+ + 3Py–	5.4 × 109	8.8 × 108 c	3.2
Q	3[Ru(bpy)3]2+ + Asc2– → [Ru(bpy)3]+ + Asc˙–	7.6 × 109	3.9 × 107	ref. 8
	3Py– natural life	4.0 × 104	4.0 × 104	3.2
ET	3Py– + Asc2– → Py˙2– + Asc˙–	4.9 × 108	2.5 × 108	3.3
	Py˙2– natural life	1.5 × 104	1.5 × 104	3.3
R:	Py˙2– + [Ru(bpy)3]2+ → Py– + [Ru(bpy)3]+	6.4 × 109	1.8 × 107	3.5
	e˙–aq natural life	3.8 × 105	3.8 × 105	3.6
S1	e˙–aq + [Ru(bpy)3]2+ → [Ru(bpy)3]+	5.0 × 1010	2.7 × 109	ref. 28
S2	e˙–aq + Py– → Py˙2–	1.5 × 1010	1.5 × 1010	ref. 29, 3.6
(X)	e˙–aq + ClCH2COO– → Cl– + ˙CH2COO–	1.3 × 109	1.3 × 109	3.6, 4.2

^aIn Fig. 2, where applicable. Desired reactions in bold, unwanted reactions in normal typeface.

^bIn s^–1 for first-order reactions (without labels in the first column), in M^–1 s^–1 for all others.

^cApparent rate constant for the concentrations used in this work.