Table 1 Biodegradability of materials of each part and performance (operation voltage and response time) of previously reported research
From: Fully biodegradable electrochromic display for disposable patch
Biodegradability of materials | Characterization of display | ||||||
|---|---|---|---|---|---|---|---|
Electrode | Active materials | Substrate | Additional (ex. Electrolyte) | Voltage | Response time | Ref | |
This work | O (Tungsten) | O (WO3) | O (PLGA) | O (Na4Fe(CN)6, Agarose) | –1.2 / 1 V | ~ 20 s | |
1 | X (Gold) | X (PEDOT) | O (Cellulose di-acetate) | O (Gelatin) | –2 / 2 V | ~ 1 s | |
2 | X (ITO) | O (WO3, PB) | X (PET) | X (PMMA ionic gel) | –1 / 0.7 V | > 60 s | |
3 | X (ITO) | O (WO3, PB) | X (ITO glass) | O (Choline chloride-urea) | –0.8 / 1 V | ~450 / ~ 50 s at 25°C | |
4 | X (ITO) | O (WO3, PB) | X (ITO glass, PET) | X (PMMA organogel) | –1.2 / 1 V | ~ 16 / 19 s | |
5 | X (PEDOT:PSS) | X (3,4-ProDOT based polymer) | O (CNF coated paper) | X (PVDF-HFP Ionic gel) | –0.8 / 0.8 V | ~ 24 s | |
6 | X (FTO) | X (Viologen, TiO2) | X (FTO glass) | O (gelatin, iodide) | –1.5 / 0 V | ~ 20 s | |
7 | X (PEDOT:PSS) | X (PEDOT:PSS) | O (Gelatin film) | X (PEO organogel) | 0 / 1 V | ~ 15 s | |
8 | X (PEDOT:PSS) | X (PEDOT:PSS) | O (Crystalline nano cellulose) | O (nano cellulose hydrogel) | 3 V | ~ 60 s | |
