Table 3.

Photocatalytic H₂ evolution over g-C₃N₄-based nanocomposites. LED – light emitting diode; TEOA – triethanolamine; QDs – quantum dots.

Sl no.	photocatalyst	synthesis route	light source	sacrificial agent	H2 production	ref. (year)
1	g-C3N4–SrTiO3	co-precipitation l and calcination	250 W UV–vis lamp	–	440 µmol h–1·g–1	[83] (2011)
2	g-C3N4–SrTiO3:Rh	solid state reaction	300 W Xe lamp	methanol	223.3 µmol·h–1	[165] (2012)
3	g-C3N4–NiS	hydrothermal	visible light	TEOA	48.2 µmol·h–1	[166] (2013)
4	g-C3N4–MoS2	impregnation	visible light	lactic acid	20.6 µmol·h–1	[167] (2013)
5	g-C3N4–CdS	solvothermal and chemisorption	350 W Xe arc lamp	–	4152 µmol h–1·g–1	[168] (2013)
6	g-C3N4–Cu2O	reduction	300W Xe lamp	TEOA	241.3 mol h–1·g–1	[169] (2014)
7	g-C3N4–SnO2	chemical synthesis	300W Xe lamp	TEOA	900 µmol h–1·g–1	[170] (2014)
8	g-C3N4–N-TiO2	electrospinning	300 W Xe arc lamp	methanol	8931.3 μmol·h–1·g–1	[171] (2015)
9	g-C3N4–C-N-TiO2	solvothermal	300 W Xe lamp	TEOA	39.18 µmol h–1·g–1	[172] (2015)
10	g-C3N4–CdS QD	thermal polymerization	300W Xe lamp	TEOA	601 µmol·h−1	[173] (2015)
11	g-C3N4–Au–CdS	in situ reduction and photodeposition	visible light	TEOA	277 µmol·h−1	[174] (2015)
12	g-C3N4–N-CeOx	annealing	300 W Xe lamp	TEOA	292.5 µmol· h–1·g–1	[175] (2015)
13	g-C3N4–MgFe2O4	sol−gel and auto combustion	300 W Xe lamp	TEOA	30.09 μmol·h−1	[176] (2015)
14	g-C3N4–InVO4	hydrothermal	300 W Xe arc lamp	methanol	212 µmol·h–1·g–1	[146] (2015)
15	g-C3N4–TiO2	solvothermal	UV LED (3 W, 420 nm)	methanol	5.6 µmol·h−1	[177] (2016)
16	g-C3N4–TiO2	calcination and solvothermal	AM1.5 solar power system	methanol	186.9 μmol·h−1	[178] (2016)
17	g-C3N4–Ni@NiO-CdS	reduction	300 W Xe lamp	TEOA	1258.7 μmol·h−1·g−1	[179] (2016)
18	g-C3N4@TiO2–CdS	hydrothermal	UV LED (3 W, 420 nm)	–	75.2 µmol·h−1	[180] (2017)
19	g-C3N4–Ca2Nb2TaO10	thermal condensation and polymerization	300 W Xe arc lamp	TEOA	43.54 µmol·h−1	[181] (2017)