Optimization of 6,13Bis(triisopropylsilylethynyl)pentacene (TIPS-Pentacene) Organic Field Effect Transistor: Annealing Temperature and Solvent Effects — Oak Academic Publishing
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Optimization of 6,13Bis(triisopropylsilylethynyl)pentacene (TIPS-Pentacene) Organic Field Effect Transistor: Annealing Temperature and Solvent Effects
Laboratoire de Chimie et de Physique des Matériaux (LCPM), Assane Seck University, Ziguinchor, Senegal
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Gaston Berger University, Department of Applied Physics, Saint Louis, Senegal
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Gaston Berger University, Department of Applied Physics, Saint Louis, Senegal
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Laboratoire de Chimie et de Physique des Matériaux (LCPM), Assane Seck University, Ziguinchor, Senegal
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OPTO-PV Group/Institut Matériaux Microélectronique Nanosciences de Provence (IM2NP), Marseille, France
1 Laboratoire de Chimie et de Physique des Matériaux (LCPM), Assane Seck University, Ziguinchor, Senegal
2 Gaston Berger University, Department of Applied Physics, Saint Louis, Senegal
3 Gaston Berger University, Department of Applied Physics, Saint Louis, Senegal
4 Laboratoire de Chimie et de Physique des Matériaux (LCPM), Assane Seck University, Ziguinchor, Senegal
5 OPTO-PV Group/Institut Matériaux Microélectronique Nanosciences de Provence (IM2NP), Marseille, France
In this contribution, we report on the effect of solvents with different boiling points and annealing temperature on the performance of TIPS-pentacene transistors. Several solvents have been used for TIPS-pentacene thin film processing: toluene, chlorobenzene and tetrahy-drofuran. To study the influence of solvent and temperature; the electrical parameters of TIPS-pentacene field effect transistor were measured. The highest values of mobilities were 7.1 × 10 -3 cm 2 · V -1 · s -1 , 4.5 × 10 -3 cm 2 ·V -1 ·s -1 and 1.43 × 10 -3 cm 2 ·V -1 ·s -1 respectively for TIPS-pentacene field effect transistor using chlorobenzene, toluene and tetrahydrofuran and annealed respectively at 120 ° C, 150 ° C and 120 ° C. We have correlated these electrical performances with AFM images in order to point out the role of morphological properties. It is found that the grain size, and roughness highly affect the electrical parameters.
KeywordsTips-PentaceneTransistorSolventAnnealing Temperature
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