Structure–Function Relationships of Nanocarbon/Polymer Composites for Chemiresistive Sensing: A Review
<p>Various types of nanofillers for polymer nanocomposites.</p> "> Figure 2
<p>Schematic representation of chemiresistor mechanism based on swelling effect. The red dashed line gives the electrical current along the percolation pathway (<b>A</b>) before and (<b>B</b>) after swelling.</p> "> Figure 3
<p>Schematic representation of solution/emulsion processing method.</p> "> Figure 4
<p>Scheme representation of synthesis of nanocarbon/polymer nanocomposite using self-assembly process.</p> "> Figure 5
<p>Schematic representation of in situ technique.</p> "> Figure 6
<p>SEM images of PS nanocomposites with (<b>a</b>) 1.5 wt.% CNT and (<b>b</b>) 1.5 wt.% G. TEM images of PS nanocomposites with (<b>c</b>) 1.5 wt.% CNT and (<b>d</b>) 1.5 wt.% G [<a href="#B80-sensors-21-03291" class="html-bibr">80</a>], reprinted with permission from American Chemical Society.</p> "> Figure 7
<p>SEM images of rGO (RGO)/PEDOT film and conduction pathway [<a href="#B92-sensors-21-03291" class="html-bibr">92</a>], reprinted with permission from Elsevier.</p> "> Figure 8
<p>(<b>a</b>) SEM images of agglomerated edge-functionalized GNR and (<b>b</b>) TEM image of nanocomposite loaded by 0.15 wt.% edge-functionalized GNRs (white arrows mark the individually dispersed GNRs) [<a href="#B95-sensors-21-03291" class="html-bibr">95</a>], reprinted with permission from Elsevier.</p> "> Figure 9
<p>SEM micrographs (<b>a</b>) 0.5 wt.% SWCNT/iPP and (<b>b</b>) 1.0 wt.% SWCNT/iPP composites [<a href="#B100-sensors-21-03291" class="html-bibr">100</a>], reprinted with permission from Elsevier.</p> "> Figure 10
<p>TEM images of (<b>a</b>,<b>a</b>’) PANI and (<b>b</b>,<b>b</b>’) FLN/PANI [<a href="#B118-sensors-21-03291" class="html-bibr">118</a>], reprinted with permission from Elsevier.</p> ">
Abstract
:1. Introduction
2. Design and Mechanism Operation of Polymer-Composite-Based Chemiresistors
3. Synthesis and Preparation of Nanocarbon/Polymer Composite Layers
4. Nanocarbon/Polymer Composite as Chemiresistive Sensors
4.1. G;GO;rGO/Polymer Composite
4.2. GNRs/Polymer Composite
4.3. CNT/Polymer Composite
4.4. FLN/Polymer Composite
4.5. Carbon Black/Polymer Composite
5. Conclusions and Future Outlooks
Author Contributions
Funding
Conflicts of Interest
References
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Polymer | Filler | Filler Content (wt.%) | Method | Conductivity (S·m−1) | Tensile Strength (MPa) | Young’s Modul (GPa) | Elastic Modul (%) | Ref. |
---|---|---|---|---|---|---|---|---|
PMMA | rGO | 0.0 0.5–2 1–2 1–2 | In situ polymerization Bulk polymerization Sheet casting | – 3.8 × 10−4–9.9 × 10−3 4.1 × 10−4–0.018 9.5 × 10−3–0.17 | 24.2 23.0–14.2 26.0–13.0 28.0–26.0 | 0.75 0.86–0.85 0.77–0.89 0.96–1.05 | 2.8 2.6–1.5 2.2–1.5 2.2–1.7 | [66] |
PC | GO | 1.09 (vol.%) | Solution mixing | 0.041 | n.a. * | n.a. | n.a. | [76] |
PVA | rGO | 4–14 | Solution mixing | 6.04 × 10–3–5.92 | n.a. | n.a. | n.a. | [77] |
PS | rGO | 0.2–0.9 (vol.%) | Self-assembly | 7 × 10−7–0.02 | n.a. | n.a. | n.a. | [78] |
PI | rGO r-I-Ph-GO | 0 0.5–2 0.5–2 | In situ polymerization | 2.4 × 10−13 2.1 × 10−11 –8.5 × 10−9 1.4 × 10−10–0.092 | ~75.7 ~91–67 ~123–98 | ~2.5 ~4.5–5.6 ~6.8–9.6 | ~12 ~9.9–3.2 ~6.5–4.0 | [79] |
PS | G | 0.11–0.69 (vol.%) | Solution mixing | 6.7 × 10−14 –0.15 | n.a. | n.a. | n.a. | [80] |
PS | G | 0.1 (vol.%) | Solution mixing | 13.84 | n.a. | n.a. | n.a. | [81] |
PVA | CNT +GO | 2–3 | Solution mixing | n.a. | ~6.5–8.5 | ~4–5 | n.a. | [83] |
Polymer | Filler | Filler Content (wt.%) | Analyte | Analyte Concentration (ppm) | Sensitivity (%) | LOD (ppm) | Ref. |
---|---|---|---|---|---|---|---|
PANI | GO | 0.5 | NH3 | 100 | 31.8 | 0.05 | [67] |
PEDOT: PSS | G | 0 2.33 | NH3 | 5–50, 500, 1000 5–50, 500, 1000 | 0.9–3.7, 4.4, 6.9 1.2–5.5, 9.6, 18.9 | <10 | [85] |
PPy | rGO | 5 | NH3 | 33.2 | ~7 | n.a. * | [86] |
PANI | G | n.a. | NH3 | 20, 100 | 3.65, 11.33 | 1 | [87] |
PANI | GO | n.a. | Methanol Ethanol Propanol | 100–500 | 20.9–37 3.77 3.10 | n.a. | [88] |
PEDOT | rGO | n.a. | NO2 | 2 | 20 | n.a. | [89] |
PMMA | G | 0.01 g | Formaldehyde Methanol Acetone Tetrahydrofurane | 2 | 10.4 2.0 1.3 1.1 | 0.01 - - - | [90] |
PEDOT | PIL-rGO | n.a. | Methanol Benzene Chloroform Tetrahydrofuran | 0–90 | ~3.0–4.0 ~2.2–3.5 ~2.0–2.5 ~1.5–2.0 | 1 | [91] |
PEDOT | rGO | n.a. | NO2 | 100 | 14–15 | - | [92] |
CMC | G | n.a. | Organic solvents Saline solution Polymer solution PVA solution | n.a. | n.a. ~0–100 ~0–25 ~0–20 | n.a. | [93] |
Polymer | Filler | Filler Content (wt.%) | Method | Conductivity (S·m−1) | Tensile Strength (MPa) | Young’s Modul (GPa) | Elastic Modul (%) | Ref. |
---|---|---|---|---|---|---|---|---|
Epoxy | GNRs | ~0.3 | Solution mixing | n.a. * | n.a. | n.a. | n.a. | [28] |
PVA | GNRs | 0–2 | Solution mixing | n.a. | 18.2–33.8 | 0.070–1.164 | n.a. | [29] |
P(MMA-BA-HEMA) | GNRs | 0.2–3 | In situ polymerization | n.a. | n.a. | ~ 1 × 10 −5 – 7 × 10 −4 | n.a. | [30] |
PANI | GNRs | n.a. | In situ polymerization | n.a. | n.a. | n.a. | n.a. | [94] |
PVAM | EF-GNRs | 0.15 | Solution mixing | n.a. | n.a. | n.a. | 14% > neat PVAM | [95] |
Polymer | Filler | Filler Content (wt.%) | Method | Conductivity (S·m−1) | Tensile Strength (MPa) | Young’s Modul (GPa) | Elastic Modul (%) | Ref. |
---|---|---|---|---|---|---|---|---|
SBR | MWCNTs | 10 | Solution mixing | n.a. * | ~7.5 | n.a. | n.a. | [99] |
iPP | SWCNTs | 0–0.75 | Solution mixing | n.a. | 30.8–35.5 | 0.855–1.187 | n.a. | [100] |
PS | MWCNT/copolymer MWCNTs SWCNTs DWCNTs | 5 | Electro spinning | 0.0053 – 0.037 0.0050 | 0.61 0.18 0.22 0.78 | 0.0163 0.007 0.0104 0.0234 | 19.4 10.8 8.6 12.3 | [101] |
PVAc | SWCNTs | 0–5 | Emulsion mixing | n.a. | n.a. | n.a. | n.a. | [102] |
PU | - AP-SWCNTs EST-SWCNTs | n.a. | Electro spinning | n.a. | 7.02 10.26 14.32 | n.a. | n.a. | [103] |
PMMA | SWCNTs SOCl2- SWCNTs | 10 13 | Solution mixing | 1700 10 4 | (30–7.5) ** (370-330) ** | ** (0.4-0.2) ** (0.5-0.6) | n.a. | [104] |
PMMA | SOCl2- SWCNTs | 0.1–0.5 | Solution mixing | 0.35–47 | n.a. | n.a. | n.a. | [105] |
PVC | PBMA- MWCNTs | 0–0.5 | ATRP | n.a. | 30.5–52.5 | 1.35–1.61 | n.a. | [106] |
Polymer | Filler | Filler Content (wt.%) | Analyte | Analyte Concentration (ppm) | Sensitivity (%) | LOD (ppm) | Ref. |
---|---|---|---|---|---|---|---|
PANI - | C-MWCNTs | n.a. * | NH3 | 2–10 | 15.5–32.0 2.58–7.20 | n.a. | [84] |
PANI | MWCNTS | 33 ** | NH3 | 0.2–15 | ~0.01–0.3 | 0.2 | [108] |
A: PEDOT: PSS B: PANI | MWCNTS | n.a. | NH3 | 20 | A: ~0–15 B: ~0–12 | n.a. | [109] |
A: p-PANI B: n-PANI | MWCNTs | n.a. | NO2, NH3 | 50 | A: 65.9, 0.975 B: 0.30, 276.3 | 0.0167, 0.0064 | [110] |
PANI | MWCNTs | 25 | AHV | 200–1000 | 1–25 | n.a. | [111] |
PMMA | F-MWCNT MWCNT | 25 | VOCs | n.a. | 1.04–809 2.243–9.94 | n.a. | [112] |
Polymer | Filler | Filler Content (wt.%) | Method | Conductivity (S·m−1) | Tensile Strength (MPa) | Young’s Modul (GPa) | Elastic Modul (%) | Ref. |
---|---|---|---|---|---|---|---|---|
Epoxy | FLN | 1–3 | Solution mixing | n.a. * | ~90–92 | ~2.8–3 | n.a. | [114] |
Epoxy | FLN | 0.1–1 | Solution mixing | n.a. | ~82–86 | n.a. | n.a. | [115] |
Polyazomethine | FLN | 0.25–2.5 | Solution mixing | (4 × 10−4–1.6 × 10−3) ** | n.a. | n.a. | n.a. | [116] |
TPU | FLN | 0.5–2 | Hot melt extrusion | Modified | ~38–30 | ~65–54 | ~***(574–347) | [117] |
PVDB | FLN- PANI | 1.05 vol.% | Solution mixing | 63.7 | n.a. | n.a. | n.a. | [118] |
Polymer | Filler | Filler Content (wt.%) | Method | Conductivity (S·m−1) | Tensile Strength (MPa) | Young’s Modul (GPa) | Elastic Modul (%) | Ref. |
---|---|---|---|---|---|---|---|---|
PP | CB | 0–2.5 0–5 | Hot melt extrusion | n.a * | ~27–33.5 ~27–31 | n.a. | n.a. | [121] |
PP | CB | 0–5 | Melt mixing | 10−14–10−4 | ~(30–37) ** | ~(0.55–1.10) ** | (900–8) ** | [122] |
PMMA | MCB | 0.1–0.7 | In situ polymerization | n.a. | n.a. *** | n.a. *** | n.a. *** | [123] |
Polymer | Filler | Filler Content (wt.%) | Analyte | Analyte Concentration (ppm) | Sensitivity (%) | LOD (ppm) | Ref. |
---|---|---|---|---|---|---|---|
A: 1 PEO B: 2 PEVA C: 3 PCL D: 4 PBS | CB | 5 n.a. | DMMP in air | (0.0017, 0.0054, 0.013) * | A:0.0869, 0.0964, 0.0834 B: 0.188, 0.209, 0.170 C: 0.577, 0.531, 0.612 D: 0.146, 0.163, 0.133 | A: 0.14 B: 0.050 C: 0.059 D: 0.19 | [124] |
DIMP in air | n.a. | A: 0.19 B: 0.074 C: 0.049 D: n.a. | |||||
A: 6 PEP B: 7 PVS | CB | 12, 40 1, 40 | Isooctane | A: 0–7.5, 0–0.76 B: 0–8, 0–0.26 | n.a. | [125] | |
8 THF | A: 0–22.5, 0–0.6 B: 0–6, 0–0.15 | ||||||
Chloroform | A: 0–14, 0–0.7 B: 0–7.8, 0–0.28 | ||||||
P(DTCPA-co-BHTBT) | CB | Toluene | 150–3000 | 0.39–2.02 | 15 ± 10 | [126] | |
Polyisobutylene | CB | 8–60 vol.% | Toluene Trichloro ethylene | n.a. | n.a. ** | n.a. | [127] |
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Ehsani, M.; Rahimi, P.; Joseph, Y. Structure–Function Relationships of Nanocarbon/Polymer Composites for Chemiresistive Sensing: A Review. Sensors 2021, 21, 3291. https://doi.org/10.3390/s21093291
Ehsani M, Rahimi P, Joseph Y. Structure–Function Relationships of Nanocarbon/Polymer Composites for Chemiresistive Sensing: A Review. Sensors. 2021; 21(9):3291. https://doi.org/10.3390/s21093291
Chicago/Turabian StyleEhsani, Maryam, Parvaneh Rahimi, and Yvonne Joseph. 2021. "Structure–Function Relationships of Nanocarbon/Polymer Composites for Chemiresistive Sensing: A Review" Sensors 21, no. 9: 3291. https://doi.org/10.3390/s21093291
APA StyleEhsani, M., Rahimi, P., & Joseph, Y. (2021). Structure–Function Relationships of Nanocarbon/Polymer Composites for Chemiresistive Sensing: A Review. Sensors, 21(9), 3291. https://doi.org/10.3390/s21093291