摘要:
A method of producing a thin film transistor includes: forming a gate electrode; forming a gate insulating film that contacts the gate electrode; forming, by a liquid phase method, an oxide semiconductor layer arranged facing the gate electrode with the gate insulating film provided therebetween, the oxide semiconductor layer including a first region and a second region, the first region being represented by In(a)Ga(b)Zn(c)O(d), the second region being represented by In(e)Ga(f)Zn(g)O(h), and the second region being located farther from the gate electrode than the first region; and forming a source electrode and a drain electrode that are arranged apart from each other and are capable of being conductively connected through the oxide semiconductor layer.
摘要:
A method for producing an amorphous oxide thin film includes: a pre-treatment process of selectively changing a binding state of an organic component, at a temperature lower than a pyrolysis temperature of the organic component, in a first oxide precursor film containing the organic component and In, to obtain a second oxide precursor film in which, when an infrared wave number range of from 1380 cm−1 to 1520 cm−1 in an infrared absorption spectrum obtained by performing a measurement by Fourier transform infrared spectroscopy is divided into an infrared wave number range of from 1380 cm−1 to 1450 cm−1 and an infrared wave number range of from more than 1450 cm−1 to 1520 cm−1, a peak positioned within the infrared wave number range of from 1380 cm−1 to 1450 cm−1 exhibits the maximum value in the infrared absorption spectrum within an infrared wave number range of from 1350 cm−1 to 1750 cm−1; and a post-treatment process of removing the organic component remaining in the second oxide precursor film, to transform the second oxide precursor film into an amorphous oxide thin film containing In.
摘要:
A field effect transistor including: a gate insulating film; an oxide semiconductor layer that serves as an active layer and whose main structural elements are Sn, Zn and O, or Sn, Ga, Zn and O; and an oxide intermediate layer that is disposed between the gate insulating film and the oxide semiconductor layer, and whose resistivity is higher than that of the oxide semiconductor layer.
摘要:
A method of fabricating a thin-film transistor, the method including: film-forming an active layer, that contains as a main component thereof an oxide semiconductor structured by O and at least two elements among In, Ga and Zn, in a film formation chamber into which at least oxygen is introduced, and b) heat treating the active layer at less than 300° C. in a dry atmosphere, wherein the film-forming a) and the heat treating are carried out such that, given that an oxygen partial pressure with respect to an entire pressure of an atmosphere within the film formation chamber in the film-forming is PO2depo (%), and an oxygen partial pressure with respect to an entire pressure of an atmosphere during the heat treating is PO2anneal (%), the oxygen partial pressure PO2anneal (%) at the time of the heat treating b) satisfies a relationship: −20/3PO2depo+40/3≦PO2anneal≦−800/43PO2depo+5900/43.
摘要:
A semiconductor film includes a cluster of semiconductor quantum dots each having a metal atom and ligands coordinating to respective semiconductor quantum dots, and the semiconductor quantum dots have an average shortest inter-dot distance of less than 0.45 nm. A solar cell, a light-emitting diode, a thin film transistor, and an electronic device include the semiconductor film.
摘要:
Provided are a metal oxide semiconductor film and a device including the same, the metal oxide semiconductor film including at least indium as a metal component, in which when an indium concentration in the metal oxide semiconductor film is represented by DI (atoms/cm3), and when a hydrogen concentration in the metal oxide semiconductor film is represented by DH (atoms/cm3), the following relational expression (1) is satisfied: 0.1≦DH/DI≦1.8 (1).
摘要翻译:提供一种金属氧化物半导体膜及其制造方法,其中,金属氧化物半导体膜至少包含作为金属成分的铟,当金属氧化物半导体膜中的铟浓度以DI(原子/ cm 3)表示时, 当金属氧化物半导体膜中的氢浓度以DH(原子/ cm 3)表示时,满足以下关系式(1):0.1≤DH/DI≤1.8(1)。
摘要:
A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; and a ligand that is coordinated to the semiconductor quantum dots and that is represented by the following Formula (A): wherein, in Formula (A), X1 represents NH, S, or O; each of X2 and X3 independently represents NH2, SH, or OH; and each of n and m independently represents an integer from 1 to 3.
摘要:
A semiconductor film includes a cluster of semiconductor quantum dots each having a metal atom and ligands coordinating to respective semiconductor quantum dots, and the semiconductor quantum dots have an average shortest inter-dot distance of less than 0.45 nm. A solar cell, a light-emitting diode, a thin film transistor, and an electronic device include the semiconductor film.
摘要:
A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; a thiocyanate ion coordinated to the semiconductor quantum dots; and a metal ion.
摘要:
A semiconductor film, including: an assembly of semiconductor quantum dots containing a metal atom; and at least one ligand that is coordinated to the semiconductor quantum dots and that is selected from a ligand represented by Formula (A), a ligand represented by Formula (B), and a ligand represented by Formula (C): wherein, in Formula (A), X1 represents —SH, —NH2, or —OH; and each of A1 and B1 independently represents a hydrogen atom or a substituent having from 1 to 10 atoms; provided that when A1 and B1 are both hydrogen atoms, X1 represents —SH or —OH; in Formula (B), X2 represents —SH, —NH2, or —OH; and each of A2 and B2 independently represents a hydrogen atom or a substituent having from 1 to 10 atoms; and in Formula (C), A3 represents a hydrogen atom or a substituent having from 1 to 10 atoms.