Table 1. Progress of NIR–SWIR OPDs with polymers as donors in recent years.

Device type	Hetero-junction type	Active layer	Spectral response/Target (nm)	EQE (%)	D* (Jones)	R (A W−1)	J d (A cm−2)	LDR (dB)	Response speed	Year	Ref.
PD	BHJ	PTB7-Th:CO1-4Cl	750–1000/940	876	3.31 × 1013@−2 V	0.5	2 × 10−7	148	−3 dB	2019	78
									240Hz
PD	BHJ	P3HT:PC61BM	300–800/600	—	1.48 × 1014@−20 V	45	2.53 × 10−7	60	t r 0.3 s	2019	79
									t d 0.42 s
PD	BHJ	DPP-DTT:IR dye	600–1600/1050	—	109@0 V	0.012	6.67 × 10−9	—	—	2020	80
PT	BHJ	PTB7-Th:IEICO-4F:PC71BM	488–1064/850	8.3 × 108	2.4 × 1013@0 V	6 × 106	—	—	−3 dB	2021	81
									400Hz
PT	PHJ	D18:Y6	300–1000/805	80	1.97 × 1014@−2 V	0.508	2.1 × 10−11	83	t r 15 μs	2021	36
									t d 14 μs
PT	BHJ	PQT-12:F4-TCNQ	400–2600/2000	108	3.12 × 1014@0 V	2.75 × 106	—	—	t r 9.7 ms	2021	23
									t d 10 ms
PT	BHJ	PMBBDT:Y6	300–900/810	16 400	9.6 × 1010@5 V	—	10−8	124	t r 79 μs	2021	82
PD	BHJ	PF:IT-4F	300–800/750	70	3.39 × 1013@−2 V	0.37	3.7 × 10−10	120	−3 dB	2021	83
									56.3 kHz
PD	BHJ	TQ-T:IEICO-4F	400–1800/1200	—	2 × 101@−2 V	0.03	8.4 × 10−6	43.9	t r 6.6 μs	2022	84
									t d 7.3 μs
PD	BHJ	PM7-D5:Y12	300–1000/720	72	3.3 × 1013@−2 V	0.42	3.6 × 10−9	150	−3 dB	2023	85
									82.9 kHz
PD	BHJ	PTzBI-EHp-BTBHT0.1: N2200	350–750	—	2.94 × 1013@−0.1 V	—	10−11	—	—	2023	86
PD	BHJ	P3HT:F4TCNQ	500–1800/1800	77 100	1.11 × 1011@−10 V	1120	6 × 10−7	40	t r 267 ms	2024	87
									t d 365 ms
PD	BHJ	PBDTTT-OFT:N2200	300–900/730	29	6.2 × 1011@−2 V	0.17	2.5 × 10−9	—	t r 3 μs	2024	88
									t d 8 μs
PD	BHJ	PTB7-Th:COTIC-4F	300–1140/1100	59	6.2 × 1012@−0.1 V	0.52	3.0 × 10−9	133	−3 dB	2024	35
									550 kHz
PD	PHJ	PM6-Br50:Y6	400–1000/780	70	4.27 × 1013@−0.5 V	0.486	4.0 × 10−10	73.7	t d 1.8 ms	2024	89
PD	BHJ	PDPPTDTPT:P4TOC-DCBT	650–1070/940	13	1.13 × 1012@−0.1 V	0.11	1.7 × 10−11	125	t r 1.4 μs	2024	90
									t d 0.6 μs
PT	BHJ	PM6:PY-DTP-Ph	300–900/810	57%	5.4 × 1013@−0.1 V	0.29	9.2 × 10−11	105	t r 1.2 μs	2024	91
									t d 22 μs