Table 2.

Summary of key performance parameters for graphene, functionalised graphene and hybrid PDs. LDR and $D^{*}$ values are reported only if available from the experimental data. Range of $\mathfrak{R}$, $\Delta f$, $D^{☆}$ and LDR are given corresponding to the range in $\Delta \lambda$.

Ref.	Type/Functional.	Response	$\mathfrak{R}$ (A/W)	$\Delta \mathit{f}$ (Hz)	${\mathit{D}}^{☆}$ (Jones)	$\Delta \mathit{\lambda }$ (nm) a	LDR (dB)
Pristine graphene
[4]	Interdigitated	PTE	$6.1\times {10}^{-3}$	$1.6\times {10}^7$	$6\times {10}^5$ b	1500	$7.5$
[68]	Suspended	PTE/PV	$6.25\times {10}^{-4}$	10	$1.3\times {10}^4$ b	540	24
[45]	Dual-gated	PTE	$1.55\times {10}^{-3}$	−	−	532	−
[69]	Log-antenna	PTE	$5\times {10}^{-9}$	$7\times {10}^9$	−	30 $\left(\mathsf{\mu }\mathrm{m}\right)$–220 $\left(\mathsf{\mu }\mathrm{m}\right)$	−
Functionalised graphene
[14]	FeCl${}_3$	PV	(0.015–0.1) $\times {10}^{-3}$	700	${10}^3$ b	375–10,000	44
[70]	FeCl${}_3$	PV	$0.1\times {10}^{-3}$	−	−	375	−
[71]	GO/rGO	PV	$0.12$	$1.6\times {10}^{-4}$	−	360	−
[72]	GO/rGO	PV	$4\times {10}^{-3}$	$3\times {10}^{-2}$	−	1550	−
[73]	GO/rGO	PV	$2.4\times {10}^{-4}$–1.4 $\times {10}^{-3}$	2–2.5	−	375–118.6 $\left(\mathsf{\mu }\mathrm{m}\right)$	7–11
[74]	3D np-rGO	PV	$1.33\times {10}^3$–$1.13\times {10}^4$	$6\times {10}^{-4}$	−	370–895	4
[75]	GO/Na${}_2$So${}_4$	PV	(17.5–95.8) $\times {10}^{-3}$	2–50 $\times {10}^{-3}$	−	455–980	−
[76]	GO	PV	$1\times {10}^{-3}$–1 $\times {10}^{-6}$	$2.2$	$3\times {10}^7$	375–1610	25
[77]	GO	PV	$1.6\times {10}^{-7}$–$1.8\times {10}^{-6}$	$7\times {10}^{-3}$	−	1064	−
[78]	rGO/ZnO	PV	$1\times {10}^{-7}$–3 $\times {10}^{-7}$	$3.3$	−	532–1064	11
[79]	rGO/TiO${}_2$	PV	−	$0.1$	−	>400	−
[80]	FG	PG	1000–10	3	$4\times {10}^{11}$–1 $\times {10}^9$	255–4290	4
[81]	BTS/ATS SAMs	PTE	$0.02$	100	−	532	15
QDs, Organics and heterostructures
[82]	PbS QDs	PG	$5\times {10}^7$	10	$7\times {10}^{13}$	600–1750	$30$ b
[83]	PbS QDs	PG	$1\times {10}^6$	$1.2$	−	895	−
[84]	ZnO QDs	PG	$1\times {10}^4$	−	−	325	−
[85]	ZnO QDs	PG	$1\times {10}^4$	$0.07$	$5.1\times {10}^{13}$	335	36 b
[86]	ZnO QDs	PG	$2.5\times {10}^6$	−	−	326	−
[87]	CdS NPs	PG	$4\times {10}^4$	1000	$1\times {10}^9$	349	−
[27]	CdSe/CdS NPs	PG	10	10	${10}^6$	532–800	−
[88]	PbS QDs/ITO	PG/PD	$2\times {10}^6$	$4\times {10}^3$	$1\times {10}^{13}$	635–1600	110
QDs, Organics and heterostructures
[89]	Si QDs	PG	0.1–2 $\times {10}^9$	−	${10}^3$–${10}^{13}$	375-3900	−
[90]	PbS QDs/MAPbI3	PG	$2\times {10}^5$	100	$5\times {10}^{12}$	400–1500	24
[91]	MAPbI${}_3$	PG	18–180	4	$1\times {10}^9$	400–1000	−
[92]	MAPbBr${}_2$I	PG	$6\times {10}^4$	$2.9$	−	405–633	−
[93]	MAPbI${}_3$ + Au NPs	PG	$2.1\times {10}^3$	$0.2$	−	532
[94]	MAPbI${}_3$	PG	$1.7\times {10}^7$	$0.4$	$2\times {10}^{15}$ b	450–700	−
[95]	Chlorophyll	PG	$1.1\times {10}^6$	$0.78$	−	400–700	−
[96]	Ruthenium	PG	$1\times {10}^5$	$0.125$	−	450	−
[97]	P3HT	PG	$1.7\times {10}^5$	$5.8$	−	500	−
[98]	C${}_8$-BTBT	PG	$1.6\times {10}^4$	14	−	355	−
[99]	Rubrene	PG	$1\times {10}^7$	$0.014$	$9\times {10}^{11}$	400–600	−
[100]	MoS${}_2$	PG	$5\times {10}^8$	−	−	635	−
[101]	MoS${}_2$	PG	$1\times {10}^9$	−	$1\times {10}^{12}$	609	−
[102]	MoS${}_2$	PG	$1\times {10}^7$	−	−	650	−
[103]	MoS${}_2$	PG	46	−	−	642	−
[104]	GaSe	PG	$4\times {10}^5$	35	$1\times {10}^{10}$	532	−
[105]	MoTe${}_2$	PG	970	$4.5$	$1.6\times {10}^{11}$	1064	−
[28]	WS${}_2$	PG	$1\times {10}^6$	1500	$3.8\times {10}^{11}$	400–700	12
[106]	Tunnel barrier	PG	$1.1$–${10}^3$	35	−	532–3200	−