Effects of Interfacial Charge Depletion in Organic Thin-Film Transistors with Polymeric Dielectrics on Electrical Stability
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characteristics of PVP and PS Layers
2.2. Pentacene Films Grown on PVP and PS Layers
2.3. Electrical Characteristics of OTFTs with Different Dielectric Layers
Dielectric Layer | Threshold Voltage [V] | On/Off Current Ratio | Field-Effect Mobility [cm2/Vs] | |
---|---|---|---|---|
PVP | Test #1 | −22.6 | 4.1 × 103 | 0.36 |
Test #2 | −11.5 | 3.2 × 102 | 0.25 | |
Test #3 | −14.6 | 1.4 × 102 | 0.22 | |
Test #4 | −5.3 | 8.7 × 101 | 0.21 | |
PS | Test #1 | −12.3 | 1.8 × 103 | 0.82 |
Test #2 | −12.1 | 1.7 × 103 | 0.88 | |
Test #3 | −12.1 | 1.8 × 103 | 0.89 | |
Test #4 | −12.3 | 1.9 × 103 | 0.98 |
2.4. Suppression of Electrical Instabilities of OTFT with PVP Dielectric Layer
3. Experimental Section
4. Conclusions
Acknowledgements
References
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Park, J.; Bae, J.-H.; Kim, W.-H.; Kim, M.-H.; Keum, C.-M.; Lee, S.-D.; Choi, J.S. Effects of Interfacial Charge Depletion in Organic Thin-Film Transistors with Polymeric Dielectrics on Electrical Stability. Materials 2010, 3, 3614-3624. https://doi.org/10.3390/ma3063614
Park J, Bae J-H, Kim W-H, Kim M-H, Keum C-M, Lee S-D, Choi JS. Effects of Interfacial Charge Depletion in Organic Thin-Film Transistors with Polymeric Dielectrics on Electrical Stability. Materials. 2010; 3(6):3614-3624. https://doi.org/10.3390/ma3063614
Chicago/Turabian StylePark, Jaehoon, Jin-Hyuk Bae, Won-Ho Kim, Min-Hoi Kim, Chang-Min Keum, Sin-Doo Lee, and Jong Sun Choi. 2010. "Effects of Interfacial Charge Depletion in Organic Thin-Film Transistors with Polymeric Dielectrics on Electrical Stability" Materials 3, no. 6: 3614-3624. https://doi.org/10.3390/ma3063614