Organic Heterostructures with Dendrimer Based Mixed Layer for Electronic Applications
Abstract
:1. Introduction
2. Results
2.1. Optical Characterization
2.1.1. Transmission of Single and Mixed Layers
2.1.2. Photoluminescence Spectra of Single and Mixed Layers
2.2. Structural Properties of Single and Mixed Layers
2.3. Morphological Properties of Single and Mixed Layers
3. Electrical Characterization
4. Discussion
5. Materials and Methods
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Code | Structure | Eg (eV) | Eu (eV) |
---|---|---|---|
Q1 | Quartz/G1PPT (0.025 g/2 mL) | 3.41 ± 0.04 | 5.10 ± 0.05 |
Q2 | Quartz/G1PPT (0.05 g/2 mL) | 3.44 ± 0.04 | 2.82 ± 0.06 |
Q3 | Quartz/G1PPT (0.1 g/2 mL) | 4.00 ± 0.04 | 0.621 ± 0.003 |
Q4 | Quartz/MNDI (0.025 g/2 mL) | 3.03 ± 0.06 | 0.715 ± 0.005 |
Q5 | Quartz/MNDI (0.05 g/2 mL) | 3.06 ± 0.04 | 0.520 ± 0.004 |
Q6 | Quartz/MNDI (0.1 g/2 mL) | 2.93 ± 0.04 | 0.718 ± 0.005 |
Q7 | Quartz/G1PPT (0.025 g/2 mL):MNDI (0.025 g/2 mL) | 4.53 ± 0.03 | 0.494 ± 0.003 |
Q8 | Quartz/G1PPT (0.05 g/2 mL):MNDI (0.05 g/2 mL) | 4.50 ± 0.04 | 0.602 ± 0.005 |
Q9 | Quartz/G1PPT (0.1 g/2 mL):MNDI (0.1 g/2 mL) | 4.38 ± 0.07 | 0.375 ± 0.002 |
Code | Structure | E (eV) | FWHM (eV) | Peak Intensity (Count) |
---|---|---|---|---|
S1 | G1PPT (0.025) | 2.41; 2.57; 2.88 | 0.47; 0.25; 0.43 | 2.26 × 104; 1.059 × 104; 0.991 × 104 |
S2 | G1PPT (0.05) | 2.40; 2.57; 2.89 | 0.50; 0.25; 0.39 | 3.42 × 104; 1.115 × 104; 0.864 × 104 |
S3 | G1PPT (0.1) | 2.39; 2.56; 2.86 | 0.47; 0.25; 0.45 | 8.36 × 104; 2.72 × 104; 1.799 × 104 |
S4 | MNDI (0.025) | 2.42; 2.58 | 0.44; 0.26 | 2.09 × 105; 2.59 × 105 |
S5 | MNDI (0.05) | 2.44; 2.58 | 0.44; 0.27 | 3.82 × 105; 5.59 × 105 |
S6 | MNDI (0.1) | 2.46; 2.59 | 0.40; 0.26 | 8.87 × 105; 12.71 × 105 |
S7 | G1PPT:MNDI (0.025) | 2.30; 2.37; 2.57 | 0.33; 0.21; 0.29 | 2.71 × 105; 3.12 × 105; 22.2 × 105 |
S8 | G1PPT:MNDI (0.05) | 2.30; 2.37; 2.57 | 0.35; 0.21; 0.29 | 2.07 × 105; 2.22 × 105; 15.33 × 105 |
S9 | G1PPT:MNDI (0.1) | 2.29; 2.37; 2.58 | 0.32; 0.21; 0.29 | 1.158 × 105; 1.461 × 105; × 10.71 × 105 |
Code | Sample | RMS (nm) | RA (nm) |
---|---|---|---|
P1 | Glass/ITO/G1PPT (0.025 g/2 mL) | 3.77 | 1.83 |
P2 | Glass/ITO/G1PPT (0.05 g/2 mL) | 37.4 | 23.1 |
P3 | Glass/ITO/G1PPT (0.1 g/2 mL) | 4.89 | 2.16 |
P4 | Glass/ITO/MNDI (0.025 g/2 mL) | 69.7 | 52.0 |
P5 | Glass/ITO/MNDI (0.05 g/2 mL) | 132.4 | 92.8 |
P6 | Glass/ITO/MNDI (0.1 g/2 mL) | 157.5 | 108.0 |
P7 | Glass/ITO/G1PPT (0.025 g/2 mL):MNDI (0.025 g/2 mL) | 265 | 201 |
P8 | Glass/ITO/G1PPT (0.05 g/2 mL):MNDI (0.05 g/2 mL) | 110.9 | 70.3 |
P9 | Glass/ITO/G1PPT (0.1 g/2 mL):MNDI (0.1 g/2 mL) | 11.76 | 9.33 |
Code | Heterostructure | Voltage (V) | Ideality Factor (n) |
---|---|---|---|
P7 | Glass/ITO/G1PPT:MNDI (0.025)/Au | <0.025 | n < 1 |
0.025–0.05 | 1 < n < 2 | ||
0.05–0.1 | 2 < n < 3 | ||
P8 | Glass/ITO/G1PPT:MNDI (0.05)/Au | ≤0.025 | n < 1 |
0.025–0.05 | 1 < n < 1.5 | ||
0.05–0.1 | 1.5 < n < 3 | ||
P9 | Glass/ITO/G1PPT:MNDI (0.1)/Au | ≤0.025 | n < 1 |
0.025–0.05 | 1 < n < 1.5 | ||
0.05–0.1 | 1.5 < n < 3 |
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Rasoga, O.; Yonkeu, A.L.D.; Breazu, C.; Socol, M.; Preda, N.; Stanculescu, F.; Stanculescu, A.; Iwuoha, E. Organic Heterostructures with Dendrimer Based Mixed Layer for Electronic Applications. Molecules 2024, 29, 4155. https://doi.org/10.3390/molecules29174155
Rasoga O, Yonkeu ALD, Breazu C, Socol M, Preda N, Stanculescu F, Stanculescu A, Iwuoha E. Organic Heterostructures with Dendrimer Based Mixed Layer for Electronic Applications. Molecules. 2024; 29(17):4155. https://doi.org/10.3390/molecules29174155
Chicago/Turabian StyleRasoga, Oana, Anne Lutgarde Djoumessi Yonkeu, Carmen Breazu, Marcela Socol, Nicoleta Preda, Florin Stanculescu, Anca Stanculescu, and Emmanuel Iwuoha. 2024. "Organic Heterostructures with Dendrimer Based Mixed Layer for Electronic Applications" Molecules 29, no. 17: 4155. https://doi.org/10.3390/molecules29174155