摘要:
A photoelectric conversion element includes a first electrode section; a second electrode section; an electron-transporting section between the first electrode section and the second electrode section; a light-absorbing section; and a hole-transporting section. The hole-transporting section has a peak that reaches maximum at a Raman shift of 1575 cm−1±10 cm−1 and a peak that reaches maximum at a Raman shift of 1606 cm −1±10 cm−1 in a Raman spectrum obtained by emitting laser light having a wavelength of 532 nm; and has a peak intensity ratio A/B of 0.80 or more, the peak intensity ratio A/B being obtained from a maximum peak intensity A of the peak that reaches maximum at 1575 cm−1±10 cm−1 and a maximum peak intensity B of the peak that reaches maximum at 1606 cm−1±10 cm−1.
摘要:
A fabrication method includes laminating a fabrication material to form an object, and applying a release material on a surface of the object to form a release layer on the surface of the object. A surface free energy of the release material is equal to or smaller than 25 mN/m.
摘要:
A powder material for three-dimensional modeling includes a base particle and a resin covering the base particle, wherein the resin has a first absorption peak in the range of from 1,141 cm−1 to 1,145 cm−1 and a second absorption peak in the range of from 1,089 cm−1 to 1,093 cm−1 in an infrared absorption spectrum and the intensity ratio of the first absorption peak to the second absorption peak is from 0.40 to 0.70.
摘要:
A powder material for three-dimensional modeling includes a base material and a resin covering the base material, wherein the covering factor by the resin is 15 percent or more and the aspect ratio of the powder material is 0.90 or greater as calculated according to the following relation 1. Aspect ratio (average)=X1×Y1/100+X2×Y2/100+ . . . +Xn×Yn/100, Relation 1 In the Relation 1, Y1+Y2+ . . . +Yn=100 (percent), Xn represents the aspect ratio (minor axis/major axis), Yn represents an existence ratio (percent) of a particle having an aspect ratio of Xn, and n is 15,000 or greater.
摘要翻译:在关系1中,Y1 + Y2 +。 。 。 + Yn = 100(%),Xn表示长宽比(短轴/长轴),Yn表示纵横比为Xn,n为15000以上的粒子的存在比(百分比)。
摘要:
A powder for 3D modeling includes a base particle and a resin having a functional group represented by the following Chemical formula 1, where A1 represents O or NH and R1, R2, and R3 each, independently represent CH3, C2H5, C3H7, or C4H9. The base particle is covered with the resin.
摘要:
An electrophotographic photoreceptor is provided that contains a conductive substrate, an undercoat layer, a charge generation layer, and a charge transport layer, wherein the under coat layer contains a binder resin and multiple inorganic pigments each having different average primary particle diameters in a total amount of from 75 to 86% by weight, the charge generation layer contains a binder resin and a titanyl phthalocyanine pigment having a specific X-ray diffraction spectrum in an amount of from 70 to 85% by weight, the charge transport layer comprises a specific distyryl compound, and the following formulae (2-1) to (2-3) are satisfied: 0.2≦(D(F2)/D(G))≦0.5 (2-1) 0.2≦D(F1) (2-2) D(F2)≦D(F1) (2-3) wherein D(F1) (μm) and D(F2) (μm) represent average primary particle diameters of the largest and smallest inorganic pigments, respectively, and D(G) (μm) represents an average primary particle diameter of the titanyl phthalocyanine pigment.
摘要:
A method for preparing a photoreceptor including forming a photosensitive layer overlying an electroconductive substrate; coating a liquid including a radically polymerizable compound to form a protective layer; irradiating the protective layer with light to crosslink the protective layer; and then contacting the protective layer with a fluid, which is selected from the group consisting of supercritical fluids and subcritical fluids and which includes a charge transport material. A photoreceptor prepared by the method. An image forming method, an image forming apparatus and a process cartridge using the photoreceptor.
摘要:
An electrophotographic photoreceptor, including: an electroconductive substrate; a first undercoat layer including no metal oxide, located overlying the electroconductive substrate; a second undercoat layer including a metal oxide and a binder resin, located overlying the first undercoat layer; and a photosensitive layer located overlying the second undercoat layer, wherein the metal oxide included in the second undercoat layer has a specific resistivity not less than 107 Ω·cm and a block isocyanate compound.
摘要:
A photoreceptor including an electroconductive substrate; a photosensitive layer; and optionally a protective layer, wherein an outermost layer thereof includes a filler, an organic compound having an acid value of from 10 to 700 mg KOH/g and at least one compound selected from the group consisting of compounds having the following formulae (1) and (2): wherein R1 (R3) and R2 (R4) independently represent a substituted or an unsubstituted aromatic hydrocarbon group, or a substituted or an unsubstituted alkyl group, and optionally share bond connectivity to form a heterocyclic group including a nitrogen atom; Ar1 (Ar3) and Ar2 (Ar4) independently represent a substituted or a unsubstituted aromatic ring group; k (K) and m (M) independently represent 0 or an integer of from 1 to 3, wherein k (K) and m (M) are not 0 at the same time; and n (n′) represents an integer of from 1 to 3.
摘要:
A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moiré preventing layer; and a photosensitive layer, which are overlaid overlying the substrate in this order, wherein the photosensitive layer includes a titanyl phthalocyanine crystal which has an average primary particle diameter not greater than 0.25 μm, and has an X-ray diffraction spectrum such that a maximum peak is observed at a Bragg (2θ) angle of 27.2°±0.2°; a peak is observed at Bragg (2θ) angle of 9.4°±0.2°, 9.6±0.2° and 24.0±0.2°; a lowest angle peak is observed at an angle of 7.3°±0.2°; no peak is observed between the lowest angle peak and the 9.4° peak; and no peak is observed at a Bragg (2θ) angle of 26.3°±0.2°, when a Cu—Kα X-ray having a wavelength of 0.1542 nm (1.542 Å) is used.