Progress in Flexible Electrochromic Devices

Huajing FANG; Zetian ZHAO; Wenting WU; Hong WANG

doi:10.15541/jim20200073

Journals >Journal of Inorganic Materials >Volume 36 >Issue 2 >Page 140 > Article

Journal of Inorganic Materials
Vol. 36, Issue 2, 140 (2021)

Progress in Flexible Electrochromic Devices

Huajing FANG¹, Zetian ZHAO¹, Wenting WU¹, and Hong WANG^2、*

Author Affiliations

¹1. School of Material Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China

²2. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China

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DOI: 10.15541/jim20200073 Cite this Article

Huajing FANG, Zetian ZHAO, Wenting WU, Hong WANG. Progress in Flexible Electrochromic Devices[J]. Journal of Inorganic Materials, 2021, 36(2): 140 Copy Citation Text

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W18O49 nanowires and Ag NWs by solvothermal preparation co-assembled on PET substrate to obtain flexible color-changing film[4]

1. W₁₈O₄₉ nanowires and Ag NWs by solvothermal preparation co-assembled on PET substrate to obtain flexible color-changing film^[4]

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2. Flexible sensor based on prussian blue^[29]

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3. Flexible ECD based on PEDOT:PSS_PD electrodes^[39]

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4. Flexible multicolor ECD based on viologen^[44]

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5. Electrochromic performance of the Ag grid/PEDOT: PSS/WO₃film after bending^[52]

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6. ECD on household PE cling wrap^[61]

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7. Stretchable electrochromic supercapacitor^[65]

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Materials	Switching time/s	Coloration efficiency/(cm²·C^-1)	Transmittance modulation/%	Stability/cycles	Bending radius/mm	Ref.
W₁₈O₄₉	10.3/7.4	35.7	60	1000	12	[4]
WO₃/Ag/WO₃	11/10.5	136	53	3000	15	[10]
WO₃	3.5/8.4	60.1	73.3	200	5	[11]
WO₃-NiVO_x	6/5	-	42	8000	75	[15]
WO₃	30	139	49	1000	-	[16]
WO₃	9/19	58.95	89.7	300	2	[17]
MoO₃	6.2/10.9	34.7	27.7	150	11	[19]
NiO_x-WO₃	-	20-35	60	125	36	[22]
WO₃-ZnO	6.2/2.8	80.6	68.2	-	-	[23]
Prussian blue -WO₃	<10	-	52.4	2250	-	[28]

Table 1. Performance comparison of inorganic FECD

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Materials	Switching time/s	Coloration efficiency/(cm²·C^-1)	Transmittance modulation/%	Stability	Bending radius/mm	Ref.
PANI	40/20	22.9	34	200 cycles	6	[34]
PANI	3.9/2.61	80.9	49	500 cycles	10	[35]
PEDOT	4.1/3.4	-	21	10000 cycles	20	[38]
PEDOT: PSS	4.6/2	429	45	4000 cycles	-	[39]
ethyl viologen	41/395	117.7	92.1	60000 s	12.5	[43]
monoheptyl-viologen/diheptylviologen/diphenyl-viologen	20/34	87.3	25	3600 s	10	[44]
FeL	3.6/7.3	299.8	41	250 cycles	-	[47]
MEPE	2/26	445	40.1	-	10	[48]
Poly[Ni(salen)]-type polymer	157/145	130.4	88.7	3000 cycles	-	[49]

Table 2. Performance comparison of organic FECD

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Materials	Switching time/s	Coloration efficiency/(cm²·C^-1)	Transmittance modulation/%	Stability/cycles	Bending radius/mm	Ref.
W₁₈O₄₉ NWs-PEDOT:PSS	18.2/6.6	118.1	34.3	-	2.5	[50]
PEDOT:PSS-WO₃	1.9/2.8	124.5	81.9	2000	20	[52]
WO₃·2H₂O-PEDOT	4.4/2.6	180.2	63.1	-	-	[53]
Viologen-TiO₂	8/6	226	53	1000	-	[54]
Ag NW/Ni(OH)₂-PEIE/PEDOT:PSS	0.3/0.6	517	30	100	1	[55]

Table 3. Performance comparison of inorganic/organic composite FECD

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Materials	Switching time/s	Coloration efficiency/(cm²·C^-1)	Transmittance modulation/%	Stability	Bending radius/mm	Ref.
WO₃/Ag/PEDOT:PSS/WO₃	1.82/0.75	-	23	30000 s	5	[61]
Heptyl Viologen	32/43	31.82	74.5	100 cycles	4.8	[63]
WO₃nanotube / PEDOT: PSS	<10	83.9	37.7	20000 cycles	40	[65]
WO₃-PANI	4.1/2.1	75.5	40	500 cycles	5	[66]
poly(3-methylthiophene)/Prussian blue	1.3/1.2	201.6	17.8	180 cycles	2.5	[67]
copolymer DFTPA-PI-MA	5.3/12.2	82.2	60	100 cycles	-	[69]

Table 4. Performance comparison of stretchable electrochromic devices

Huajing FANG, Zetian ZHAO, Wenting WU, Hong WANG. Progress in Flexible Electrochromic Devices[J]. Journal of Inorganic Materials, 2021, 36(2): 140

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