TIPS-triphenodioxazine versus TIPS-pentacene: Enhanced electron mobility for n-type organic field-effect transistors

New n-type molecular semiconductor–doped insulator (MSDI) heterojunctions combining a triphenodioxazine (TPDO) and the lutetium bisphthalocyanine (LuPc2) for ammonia sensing

“…After deposition of TPDO by spin coating, LuPc2 (50 nm) was deposited by evaporation under secondary vacuum. The UV-visible spectrum of the resulting bilayer film exhibits the main absorption bands of TPDO, between 500 and 650 nm [24,25], with a peak at 638 nm, and of LuPc2, with its Q band at 668 nm and the weak band at 467 nm attributed to a transition between a filled orbital and the SOMO ( The I-V characteristics, registered from -10 to +10 V, are symmetrical and slightly nonlinear, with a current of 7x10 -5 A at 10 V (Fig. 3 left).…”

“…The most popular are naphthalene diimide and perylene diimide derivatives [4,[14][15][16], C60 [17,18] and fluorinated oligothiophenes [5]. On the other hand, triphenodioxazine (TPDO) is a well-known -conjugated core found in different dyes or pigments [19] that has recently found new promising development in the field of organic solar cells [20], dye-sensitized solar cells [21], luminescent devices [22] and organic field-effect transistors [23,24]. For instance, triphenodioxazines (TPDOs) bearing triisopropylsilylethynyl (TIPS) groups were introduced as new soluble n-type materials [21,24] (scheme 1).…”

“…On the other hand, triphenodioxazine (TPDO) is a well-known -conjugated core found in different dyes or pigments [19] that has recently found new promising development in the field of organic solar cells [20], dye-sensitized solar cells [21], luminescent devices [22] and organic field-effect transistors [23,24]. For instance, triphenodioxazines (TPDOs) bearing triisopropylsilylethynyl (TIPS) groups were introduced as new soluble n-type materials [21,24] (scheme 1). More interestingly, tetracyano-TIPS-TPDO proved to be an efficient material for liquid-processed air-stable n-type OFET [25,26].…”

A TIPS-TPDO-tetraCN-Based n-Type Organic Field-Effect Transistor with a Cross-linked PMMA Polymer Gate Dielectric

“…[17][18][19][20][21] At the same time, electron-transporting triphenodioxazine (TPDO) derivatives, which can be produced at the industrial scale, have gain significant attention. 22,23 A recent work showed that air stability, solubility and electron-transporting behavior of TPDO derivatives can be improved through substitution of TPDO core by nitrile and triisopropylsilylethynyl (TIPS) groups. 24 On the other hand, a reliable gate dielectric, the easy processing of which is still actively investigated, constitutes a key element for achieving low-voltage operation of the n-type…”

A Concise Method for Synthesizing 1,4,8,11‐Tetraaza‐6,13‐dioxapentacene Derivatives

“…[7] Continuing our research in this direction, we are more interested in tetraazadioxaacene derivatives (Figure 1) because the synthesis should be more of a challenge, more novel properties could be achieved through carefully selecting the heteroatoms in backbone and tuning their positions, and heteroacenes could be more stable compared with their parent compounds. But until now, only a few dioxaacene derivatives of dioxadiazaacenes [9] and triphenodioxazine [10] have been reported and tetraazadioxaacenes are rare.…”