Table 2.
Approach | Key element | CVD | Polymera) | Substrate | Resolutionb) | Ref. | |
---|---|---|---|---|---|---|---|
Masking | Metal shadow mask | oCVD | PEDOT | Paper, Plastic films | <1 cm | 38, 117 | |
Micro‐stencil | Pyrolysis | PPXPF‐co‐PX | Thermoplastics | ≈150 µm | 73 | ||
Photomask | iCVD | P(Vcin‐co‐NIPAAm), P4VP, PoNBMA | Si, Glass rods | 10–50 µm | 74, 124 | ||
MLDc) | Polyurea | Si | 4 µm | 71, 125 | |||
E‐beam | No crosslinking | MLD | Polyurea | Si | <50 nm | 126 | |
Pre‐patterns | Transition metals | iCVD | P4VP, PPFDA, PoNBMA, PPFM | Si, Paper | <1 cm | 61, 62, 63 | |
Inhibitor | Metals + electrical charge | Pyrolysis | Parylene | Metal | <100 µm | 70 | |
SAMd) | Pyrolysis | Parylene | Si, Au | ≈3 µm | 30 | ||
DPNe) | VPP | PEDOT | Si, Au | 250 nm | 127 | ||
Oxidant | Inkjet | VPP | PEDOT | Glass, Plastic films | 80–100 µm | 128 | |
DSAf) | Topcoat | iCVD | PDVBg) | Si | <10 nm | 41 |
Polymer name abbreviations. P(PXPF‐co‐PX): poly(p‐xylylene‐4‐carboxylic acid pentafluorophenolester‐co‐xylyene); P(Vcin‐co‐NIPPAm): poly(vinylcinnamate); P4VP: poly(4‐vinyl pyridine); PoNBMA: poly(ortho‐nitrobenzyl methacrylate); PPFDA: poly(1H,1H,2H,2H‐perfluorodecyl acrylate); PPFM: poly(pentafluorophenyl methacrylate)
Highest resolution shown in the literature
MLD: Molecular layer deposition
SAM: self‐assembled monolayer
DPN: dip‐pen lithography
DSA: directed self‐assembly
PDVB: poly(divinylbenzene)
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