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学者姓名：严辉
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Abstract ：
With the intensification of global climate problems, electric heating has recently attracted much attention as a clean and low-carbon heating method. Carbon nanotubes (CNTs) are an ideal medium for electric heating applications due to their excellent mechanical, electrical, and thermal properties. The preparation of electrothermal films based on an aqueous CNT dispersion as a raw material is environmentally friendly. However, in the traditional one-step filtration method, the residual excess dispersant and the small aspect ratio of the CNTs in the preparation process limit the performance of electrothermal CNT films. In this paper, we report a two-step filtration method that removes the free dispersant and small CNTs in the first filtration step and obtains denser CNT films by controlling the pores of the filter membrane in the second filtration step. The results suggest that, compared to the CNT1 film obtained from one-step filtration, the CNT1-0.22 film, obtained from two-step filtration using 1 and 0.22 mu m membranes, has a smoother and flatter surface, and the surface resistance is 80.0 Omega sq-1, which is 29.4% lower. The convective radiation conversion efficiency of the CNT1-0.22 film is 3.36 mW/degrees C, which is 36.1% lower. We anticipate that such CNT films could be widely applied in building thermal insulation and underfloor heating.
Keyword ：
carbon nanotube dispersion carbon nanotube dispersion electrothermal properties electrothermal properties filter membrane pore size filter membrane pore size vacuum filtration vacuum filtration
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| GB/T 7714 | Chu, Yingying , Sun, Ling , Wang, Jing et al. Carbon Nanotube Films with Fewer Impurities and Higher Conductivity from Aqueously Mono-Dispersed Solution via Two-Step Filtration for Electric Heating [J]. | NANOMATERIALS , 2024 , 14 (11) . |
| MLA | Chu, Yingying et al. "Carbon Nanotube Films with Fewer Impurities and Higher Conductivity from Aqueously Mono-Dispersed Solution via Two-Step Filtration for Electric Heating" . | NANOMATERIALS 14 . 11 (2024) . |
| APA | Chu, Yingying , Sun, Ling , Wang, Jing , Han, Zhaoyang , Wei, Chenyu , Han, Changbao et al. Carbon Nanotube Films with Fewer Impurities and Higher Conductivity from Aqueously Mono-Dispersed Solution via Two-Step Filtration for Electric Heating . | NANOMATERIALS , 2024 , 14 (11) . |
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Abstract ：
一种钙钛矿‑晶硅叠层太阳能电池结构，属于太阳能电池领域。包括钙钛矿顶电池、晶硅底电池与复合结层。所述钙钛矿顶电池依次设置为金属电极、透明电极层、空穴传输层、钙钛矿光吸收层、电子传输层；所述晶硅底电池依次设置为氧化钼空穴传输层、本征氢化非晶硅钝化层、晶硅光吸收层、本征氢化非晶硅钝化层、氟化锂/铝复合电极层；钙钛矿电池与底电池之间通过复合结相联结。本实用新型使用氧化钼作为晶硅底电池的空穴传输层，具有更好的空穴选择性以及更小的寄生吸收，使用氟化锂/铝作为晶硅底电池的复合电极，可以降低晶硅与电极间的肖特基势垒，有利于电子的传输，提升了单个太阳能电池器件的光电转换效率。
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| GB/T 7714 | 郑子龙 , 杨熙其 , 严辉 et al. 一种钙钛矿-晶硅叠层太阳能电池结构 : CN202320566535.X[P]. | 2023-03-21 . |
| MLA | 郑子龙 et al. "一种钙钛矿-晶硅叠层太阳能电池结构" : CN202320566535.X. | 2023-03-21 . |
| APA | 郑子龙 , 杨熙其 , 严辉 , 张永哲 , 陈小青 , 王如志 . 一种钙钛矿-晶硅叠层太阳能电池结构 : CN202320566535.X. | 2023-03-21 . |
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一种基于除醛、抗菌的纳米级Cu2O‑MnO2双金属氧化物的制备方法，属于复合材料技术领域。本发明通过聚乙二醇+电化学沉积原位生长，创新性的构筑出Cu2O‑MnO2‑CC双金属氧化物复合材料，其中Cu2O晶粒尺寸～10nm并且均匀分布。本发明所制备的复合材料可以实现除醛、抗菌双功效作用，可以广泛应用于空气净化器、空调等设备上，原材料简单易得、价格低廉适应于大规模生产。
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| GB/T 7714 | 韩昌报 , 张浩 , 赵文康 et al. 一种基于除醛、抗菌的纳米级Cu2O-MnO2双金属氧化物的制备方法 : CN202210103761.4[P]. | 2022-01-27 . |
| MLA | 韩昌报 et al. "一种基于除醛、抗菌的纳米级Cu2O-MnO2双金属氧化物的制备方法" : CN202210103761.4. | 2022-01-27 . |
| APA | 韩昌报 , 张浩 , 赵文康 , 郑嘉煜 , 严辉 . 一种基于除醛、抗菌的纳米级Cu2O-MnO2双金属氧化物的制备方法 : CN202210103761.4. | 2022-01-27 . |
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Abstract ：
氨基修饰增强锰氧化物去除甲醛效率和寿命的方法，涉及锰氧化物技术领域。首先将MnOx纳米颗粒负载在过滤海绵的表面上，二乙醇胺(DEA)与无水乙醇混合，将负载有MnOx纳米颗粒的过滤海绵浸入溶液，在这个过程中二乙醇胺会与过滤海绵上羟基以氢键的形式结合；最后干燥得到氨基修饰过滤海绵负载锰氧化物催化剂。氨基与中间产物(HCOO‑)反应的性质促进锰氧化物催化甲醛的分解，在除醛的同时还具有杀菌效果。
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| GB/T 7714 | 宋雪梅 , 朱光硕 , 韩昌报 et al. 增强去除甲醛效率和寿命的氨基修饰的锰氧化物的制备方法 : CN202210115367.2[P]. | 2022-01-30 . |
| MLA | 宋雪梅 et al. "增强去除甲醛效率和寿命的氨基修饰的锰氧化物的制备方法" : CN202210115367.2. | 2022-01-30 . |
| APA | 宋雪梅 , 朱光硕 , 韩昌报 , 严辉 , 赵文康 , 郑嘉煜 et al. 增强去除甲醛效率和寿命的氨基修饰的锰氧化物的制备方法 : CN202210115367.2. | 2022-01-30 . |
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Abstract ：
一种电注入增强多孔导电气凝胶/催化剂复合材料室温去除甲醛方法，属于空气净化领域。通过原位负载催化剂制备了多孔导电气凝胶/催化剂复合材料，通过引入外加电场使催化剂的表面吸附氧获得电子成为可以参与到甲醛催化氧化的活性氧物质，提高了催化剂的甲醛催化氧化效率，减少了中间产物的产生，制备方法简单易行，操作方便，能够进行大规模的实际应用。
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| GB/T 7714 | 韩昌报 , 方得才 , 郭冰磊 et al. 一种电注入增强多孔导电气凝胶/催化剂复合材料室温去除甲醛方法 : CN202210733272.7[P]. | 2022-06-26 . |
| MLA | 韩昌报 et al. "一种电注入增强多孔导电气凝胶/催化剂复合材料室温去除甲醛方法" : CN202210733272.7. | 2022-06-26 . |
| APA | 韩昌报 , 方得才 , 郭冰磊 , 鲁元刚 , 郑嘉煜 , 赵文康 et al. 一种电注入增强多孔导电气凝胶/催化剂复合材料室温去除甲醛方法 : CN202210733272.7. | 2022-06-26 . |
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Abstract ：
一种空气净化与空冷PVT于一体的结构装置，属于空气净化和能源利用技术领域。依次由太阳能电池板、还原导热胶和空气净化冷却流道组成一体化的夹层结构；太阳能电池板位于最上面，还原导热胶位于中间层，空气净化冷却流道位于最下面；其中太阳能电池板主要由透明玻璃、EVA胶膜、光伏电池和基底组成夹层结构，光伏电池与透明玻璃、基底之间采用EVA胶膜固定；基底与空气净化冷却流道用还原导热胶固定在一起。空气净化冷却流道可选用无挡板空气净化流道或有挡板空气净化流道。两种结构都可增加原有空冷型PVT组件集热性能，降低太阳能电池的温度，进而增强PVT组件的电、热输出性能。
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| GB/T 7714 | 严辉 , 赵文康 , 韩昌报 et al. 一种空气净化与空冷PVT于一体的结构装置 : CN202221860998.9[P]. | 2022-07-05 . |
| MLA | 严辉 et al. "一种空气净化与空冷PVT于一体的结构装置" : CN202221860998.9. | 2022-07-05 . |
| APA | 严辉 , 赵文康 , 韩昌报 , 郑嘉煜 , 汪浩 , 张永哲 . 一种空气净化与空冷PVT于一体的结构装置 : CN202221860998.9. | 2022-07-05 . |
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Abstract ：
面向等离子体材料作为聚变等离子体和核反应堆结构之间的主要界面,遭受恶劣的辐照条件,为了提升对面向等离子体材料的改进研究,实验室模拟聚变环境装置.基于已搭建完成的用于研究聚变反应堆中等离子体-材料相互作用的电子回旋共振(electron cyclotron resonance,ECR)直线等离子体装置,使用有限元方法计算模拟了腔室内励磁线圈与永磁体叠加磁场的分布情况以及在此背景磁场下带电粒子在磁场中的运动轨迹.结果表明:磁场模拟结果与实验数据较为符合,共振面位置随线圈电流的增大而远离微波窗口.带电粒子轨迹模拟结果与实验中近似梨形等离子体束的分布一致,且到达样品台的束流密度随着励磁线圈电流的增大而增大.该研究可为ECR直线等离子体装置的进一步优化提供参考.
Keyword ：
微波 微波 等离子体 等离子体 磁场 磁场 电子回旋共振(ECR) 电子回旋共振(ECR) 束流密度 束流密度 离子 离子
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| GB/T 7714 | 王波 , 张根 , 张文杰 et al. ECR辐照装置中的离子束流分布模拟 [J]. | 北京工业大学学报 , 2022 , 48 (12) : 1272-1279 . |
| MLA | 王波 et al. "ECR辐照装置中的离子束流分布模拟" . | 北京工业大学学报 48 . 12 (2022) : 1272-1279 . |
| APA | 王波 , 张根 , 张文杰 , 祁超 , 严辉 . ECR辐照装置中的离子束流分布模拟 . | 北京工业大学学报 , 2022 , 48 (12) , 1272-1279 . |
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Abstract ：
Today, colloidal quantum dots (CQDs) have received wide attention due to their properties of tunable infrared absorption. For example, HgTe colloidal quantum dots have shown excellent optical absorption (absorption coefficient alpha > 10(4) cm(-1)), spectral absorption tunability covering the entire infrared atmospheric window, and even the terahertz (THz). However, the efficient surface passivation of HgTe CQDs was limited by the highly sterically hindered long-chain organic ligands. Here, we demonstrate a new method to synthesize monodisperse mid-infrared HgTe CQDs, and the preparation process of the Hg precursor solution is optimized. With I- in-situ passivated on the surfaces, the spherical HgTe quantum dots are successfully synthesized with the tunability size from 8 to 15 nm. The noise current density of the photoconductive device is as low as 10(-11) A center dot Hz(-1/2) at 130 K with a frequency of 1 Hz.
Keyword ：
mid-infrared mid-infrared HgTe CQDs HgTe CQDs in-situ passivation in-situ passivation
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| GB/T 7714 | Liu, Zekang , Wang, Peng , Dong, Ran et al. Mid-Infrared HgTe Colloidal Quantum Dots In-Situ Passivated by Iodide [J]. | COATINGS , 2022 , 12 (7) . |
| MLA | Liu, Zekang et al. "Mid-Infrared HgTe Colloidal Quantum Dots In-Situ Passivated by Iodide" . | COATINGS 12 . 7 (2022) . |
| APA | Liu, Zekang , Wang, Peng , Dong, Ran , Gong, Wei , Li, Jingjie , Dai, Dichao et al. Mid-Infrared HgTe Colloidal Quantum Dots In-Situ Passivated by Iodide . | COATINGS , 2022 , 12 (7) . |
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Abstract ：
As one of the leading photovoltaic materials, Cu(In,Ga)(Se,S)(2) has two distinct advantages over other candidates. First, its conduction band and valence band could be independently tuned by adjusting the Ga/(Ga + In) and S/(S + Se), respectively. Next, its composition distribution could be feasibly tuned by controlling the thin film deposition process. These merits have been utilized in fabricating the Cu(In,Ga)(Se,S)(2) solar cells with world record efficiency. However, these features have not yet been satisfactorily simulated. In order to understand the mechanism of high-performance Cu(In,Ga)(Se,S)(2) solar cells, we obtained the tunable bandgap of absorber layer and suitable conduction band offset between absorber layer and buffer layer via Ga and S concentration and gradient, by combining both first-principle calculations and numerical simulations with Poisson equation and the continuity equation. In particular, compared with other photovoltaic materials, the bandgap of Cu(In,Ga)(Se, S)(2) could be tuned flexibly across the layer thickness to realize spatial energy band optimization with doubleconcentration-grading absorber. The efficiency of 23.29% was obtained based on theoretical calculations and numerical simulations, which is almost the same as the reported result, in the considerations of (i) optimum bandgap of absorber, (ii) band energy offset, (iii) double (Ga- and S-) concentration grading, and (iv) low defect density in the absorber layer. In addition, we obtained a Cu(In,Ga)(Se,S)(2) solar cell with a high S content uniform band gap efficiency of 23.53%. Therefore, we provided an understanding for tunable engineered band energy research in high-efficient Cu(In,Ga)(Se,S)(2) solar cells.
Keyword ：
Cu(In,Ga)(Se,S)(2) solar cells Cu(In,Ga)(Se,S)(2) solar cells First-principle calculations First-principle calculations Band structure Band structure Chalcopyrite structure Chalcopyrite structure Numerical simulations Numerical simulations
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| GB/T 7714 | Yang, Shaohong , Zhou, Wencai , Qu, Jingjing et al. The impact of Ga and S concentration and gradient in Cu(In,Ga)(Se,S)(2) solar cells [J]. | OPTICAL MATERIALS , 2022 , 126 . |
| MLA | Yang, Shaohong et al. "The impact of Ga and S concentration and gradient in Cu(In,Ga)(Se,S)(2) solar cells" . | OPTICAL MATERIALS 126 (2022) . |
| APA | Yang, Shaohong , Zhou, Wencai , Qu, Jingjing , Zhang, Linrui , Lv, Xiaoyu , Zheng, Zilong et al. The impact of Ga and S concentration and gradient in Cu(In,Ga)(Se,S)(2) solar cells . | OPTICAL MATERIALS , 2022 , 126 . |
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Abstract ：
本实用新型提供了一种适用于低温长波红外探测器的微透镜阵列，属于半导体器件领域。包括增透膜、微透镜阵列和底面，该微透镜阵列填充因子为100％，红外探测器焦平面光能利用率80％以上。进而将该微透镜阵列应用于红外探测器前端，提高整体器件的灵敏度。
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| GB/T 7714 | 郑子龙 , 胡双媛 , 王如志 et al. 一种适用于低温长波红外探测器的微透镜阵列 : CN202120801917.7[P]. | 2021-04-19 . |
| MLA | 郑子龙 et al. "一种适用于低温长波红外探测器的微透镜阵列" : CN202120801917.7. | 2021-04-19 . |
| APA | 郑子龙 , 胡双媛 , 王如志 , 张铭 , 严辉 . 一种适用于低温长波红外探测器的微透镜阵列 : CN202120801917.7. | 2021-04-19 . |
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