VTP as an Active Layer in a Vertical Organic Field Effect Transistor

Roslan, Nur Adilah; Abdullah, Shahino Mah; Halizan, Muhammad Zharfan Mohd; Bawazeer, Tahani M.; Alsenany, Nourah; Alsoufi, Mohammad S.; Majid, W.H. Abd.; Supangat, Azzuliani

doi:10.1007/s11664-017-6031-6

Cited by 10 publications

(4 citation statements)

References 17 publications

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“…After getting precise results of planar (D 1 ) and vertical (D 2 ) devices, D 2 device is now compared with two other vertical devices D 3 [25] and D 4 [26]. The materials of the regions in all three vertical TFTs devices D 2 , D 3 and D 4 are kept same as in planar device with the same possible thickness.…”

Section: Performance Analysis Of Different Vertical Structuresmentioning

confidence: 99%

“…In this sub-section, the proposed device (D 5 ) is compared with the real existing devices D 2 [20], D 3 [25], D 4 [26], D 6 [27] and D 7 [28] in terms of various important parameters such as maximum drain current, saturation mobility, I on /I off , and threshold voltage. The comparison is highlighted in two ways.…”

Section: Comparison Of Real Existing Vertical Tfts With the Proposed ...mentioning

confidence: 99%

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High-k dielectric based high performance vertical organic thin film transistor for flexible low power applications

Yadav,

Mittal,

Negi

2024

Phys. Scr.

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The basic performance parameters such as threshold voltage, drain current and saturation mobility play an important role for any transistor-based devices. The planar organic TFT provides a good performance but it is still not satisfactory. Therefore, in this paper, a vertical channel TFT (D5) is proposed that exhibits a significant improvement for threshold voltage Vt, drain current IDmax and saturation mobility µsat in comparison to planar devices. The proposed vertical device (D5) is 44 and 24 times enhanced in comparison with planar device D1 in terms of IDmax and µsat, correspondingly. Furthermore, this paper compares five different vertical-channel device architectures (D2, D3, D4, D5, D6 & D7). Out of these structures, our proposed novel structure (D5) shows remarkable performance in terms of drain current (528 µA) and saturation mobility (80.8 cm2/V.s). As compared to the best mentioned vertical devices D2, D3 and D7, the proposed device exhibits 41.8 %, 15.6 % and 27.8 %, increment in drain current, respectively. Additionally, the proposed device exhibits about 2.7, 5.2 and 3.5 times improvement in comparison with D2, D3 and D7 correspondingly. The reasons for this better performance of the proposed device have been explained by vertical and horizontal cutline analysis.

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Section: Performance Analysis Of Different Vertical Structuresmentioning

confidence: 99%

Section: Comparison Of Real Existing Vertical Tfts With the Proposed ...mentioning

confidence: 99%

High-k dielectric based high performance vertical organic thin film transistor for flexible low power applications

Yadav,

Mittal,

Negi

2024

Phys. Scr.

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“…Vertical TFTs are gaining lot of attention of researchers nowadays due to its structural benefits. Some of these Figure 16 is comparing six different vertical structures (S17-S22 169,[171][172][173][174][175] ) in terms of channel length and drain current. The structure S20 contains the shortest channel length which is 0.05 μm.…”

Section: Organic Thin Film Transistormentioning

confidence: 99%

Review—Advancements and Perspectives of Organic LED: In Depth Analysis of Architectural Design, Characteristics Parameters, Fabrication Techniques, and Applications

Yadav

Mittal

Negi

2023

ECS J. Solid State Sci. Technol.

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This article presents a review on various aspect of organic light emitting diodes (OLEDs), such as their working, various categorization, impact of fabrication methodologies (organic vapor phase deposition, vacuum thermal evaporation, inkjet printing etc.) that are low-cost and their applications in serval domains like medical, sensor, display, lighting etc. Three categorizations of OLED are discussed with respect to circuit, architecture and color of emission. Different layers of multi-layered structures such as injection layer, transport layer, block layers are also reviewed and their impacts are analyzed and compared. Moreover, an experimental fabrication technique for flexible substrate is reviewed that highlights low-cost fabrication method. In this technique, dynamic viscosity and contact angle are measured using rotational viscometer and contact angle meter, respectively. The result illustrates sheet resistance and effective opening ratio of 3.8 ohms per square and 82.5%, correspondingly. Additionally, various performance parameters like luminescence, external quantum efficiency, and current efficiency are compared. The paper also incorporates recent advancement in organic thin film transistors along with some OTFT driven OLED devices.

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“…Over the years, bulk heterojunction (BHJ) OPV and organic photodiodes (OPDs) have been extensively researched, in which an acceptor and a donor are blended in the photoactive medium to develop a donor/acceptor (D/A) interface at the molecular level [3][4][5]. MPcs containing heterocyclic macrocyclic organic compounds have been thoroughly evaluated for many applications [6,7]. Several MPcs, including VOPcPhO [8][9][10][11][12][13], were used to evaluate OPVs and OPDs [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Charge Transport Properties in VTP: PC71BM Organic Schottky Diode

2022

Self Cite

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In this work, the charge transport properties of organic vanadyl 3,10,17,24-tetra-tert-butyl-1,8,15,22-tetrakis(dimethylamino)-29H,31H phthalocyanine (VTP) were investigated. The I-V profile demonstrated by single VTP shows a rectifying behavior, and Schottky diode parameters such as the ideality factor, barrier height, shunt, and series resistance were calculated. Further, the charge transport behavior of single-layer VTP and its blend with phenyl C71 butyric acid methyl ester (PC71BM) was evaluated using the I-V conventional method and diode analysis. In addition, the optimized diode properties of VTP: PC71BM were chosen to evaluate its photovoltaic effect. The current density-voltage (J-V) characteristics were evaluated in both dark and light conditions to determine the key parameters of the photovoltaic effect. The results indicate the optimized VTP: the PC71BM composite blend yielded a relatively low photovoltaic efficiency. However, due to the presence of extended ligands, it gives a very good sensitivity when applied in the organic photodetector device, as reported in our previous work.

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VTP as an Active Layer in a Vertical Organic Field Effect Transistor

Cited by 10 publications

References 17 publications

High-k dielectric based high performance vertical organic thin film transistor for flexible low power applications

High-k dielectric based high performance vertical organic thin film transistor for flexible low power applications

Review—Advancements and Perspectives of Organic LED: In Depth Analysis of Architectural Design, Characteristics Parameters, Fabrication Techniques, and Applications

Investigation of Charge Transport Properties in VTP: PC71BM Organic Schottky Diode

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