摘要：【中文】本发明涉及光催化材料领域，具体为一种在光催化材料表面非对称性光沉积助催化剂的方法。以各种粉体光催化材料为原材料，将样品加入到溶剂中进行超声分散，得到样品的悬浊液。然后上述悬浊液均匀分散到载玻片上，加热干燥。将胶带粘在有样品分散的载玻片正面，后将胶带揭下，放到溶剂中超声，得到一段有样品单层附着的胶带。将上述胶带放在含有牺牲剂和助催化剂前驱体的溶液中，用光源照射有样品附着的胶带面，进行光沉积，实现助催化剂在材料表面的非对称性沉积。本发明利用胶带对样品进行半包覆，实现助催化剂在光催化材料表面的非对称性沉积。从而，在光催化材料内部构建定向电场，使载流子可以定向迁移，提高载流子的分离效率。 【EN】The invention relates to the field of photocatalytic materials, in particular to a method for asymmetrically photo-depositing a cocatalyst on the surface of a photocatalytic material. Various powder photocatalytic materials are used as raw materials, and a sample is added into a solvent for ultrasonic dispersion to obtain a suspension of the sample. And then uniformly dispersing the suspension on a glass slide, and heating and drying. And adhering the adhesive tape to the front surface of the glass slide with the dispersed sample, then removing the adhesive tape, and putting the adhesive tape into a solvent for ultrasonic treatment to obtain a section of adhesive tape with the sample attached in a single layer. And placing the adhesive tape in a solution containing a sacrificial agent and a promoter precursor, and irradiating the surface of the adhesive tape to which the sample is attached with a light source to carry out light deposition so as to realize asymmetric deposition of the promoter on the surface of the material. The invention utilizes the adhesive tape to carry out half-coating on the sample, thereby realizing asymmetric deposition of the cocatalyst on the surface of the photocatalytic material. Therefore, a directional electric field is constructed in the photocatalytic material, so that carriers can be directionally transferred, and the separation efficiency of the carriers is improved.

摘要：【中文】本发明涉及材料制备与光催化领域，具体为一种金属性化合物与氧化物、硫化物同步构筑的三相异质结光催化材料及其制备方法。以金属性化合物分别作为前驱体和生长基体，在其表面通过原位水解生成金属氧化物的同时，硫化物前驱体在其表面原位生长，同步生长构建具有Z机制的三相异质结光催化材料。本发明提供的制备方法通过同步原位生长构筑三相异质结结构，减小常规的多步制备方法造成的界面接触不充分、结构和组分差异大所导致的高肖特基势垒，显著促进光生电荷的有效分离与传输能力，大幅提高光催化材料的光催化产氢性能。该制备方法工艺简单，具有普适性，产率高，在光催化制氢领域颇具应用潜力。 【EN】The invention relates to the field of material preparation and photocatalysis, in particular to a three-phase heterojunction photocatalytic material synchronously constructed by metallic compounds, oxides and sulfides and a preparation method thereof. Metallic compounds are respectively used as a precursor and a growth substrate, metal oxides are generated on the surface of the metallic compounds through in-situ hydrolysis, and sulfide precursors grow on the surface of the metallic compounds in situ, so that the three-phase heterojunction photocatalytic material with the Z mechanism is constructed through synchronous growth. The preparation method provided by the invention constructs a three-phase heterojunction structure through synchronous in-situ growth, reduces high Schottky barrier caused by insufficient interface contact and large structural and component differences caused by a conventional multi-step preparation method, remarkably promotes effective separation and transmission capability of photo-generated charges, and greatly improves the photocatalytic hydrogen production performance of the photocatalytic material. The preparation method has the advantages of simple process, universality and high yield, and has application potential in the field of photocatalytic hydrogen production.

摘要：【中文】本发明公开了一种中药饮片斜片切制装置，包括机座、固定设置在机座上的刀片组、滑动安装在机座上的进料组件以及驱使进料组件作直线往复运动的控制组件，所述进料组件包括与机座滑动连接的安装座，所述安装座上竖向贯穿开设有切削口，所述切削口内转动设置有由电机驱动的输送带；所述刀片组位于进料组件下方，并设置在进料组件的运动行程内。本发明的中药饮片斜片切制装置具有便于夹紧山药，提高切片效果的的特点。 【EN】The invention discloses a slicing device for traditional Chinese medicine decoction pieces, which comprises a base, a blade group fixedly arranged on the base, a feeding assembly slidably arranged on the base and a control assembly driving the feeding assembly to do linear reciprocating motion, wherein the feeding assembly comprises a mounting seat slidably connected with the base, a cutting opening is vertically formed in the mounting seat in a penetrating manner, and a conveying belt driven by a motor is rotatably arranged in the cutting opening; the blade group is positioned below the feeding assembly and is arranged in the moving stroke of the feeding assembly. The Chinese herbal piece inclined slice cutting device has the characteristics of convenience in clamping Chinese yam and improvement of slicing effect.