Ultrafast synthesis and binder‐free fabrication of a monolithic metal–organic framework for efficient carbon capture
Sign Up to like & getrecommendations! Published in 2024 at "AIChE Journal"
DOI: 10.1002/aic.18673
Abstract: Achieving rapid synthesis alongside efficient shaping without sacrificing high porosity and crystallinity poses significant challenges for metal–organic frameworks (MOFs) in practical applications. Here, we report an ultrafast, scalable method for preparing an ultramicroporous MOF at… read more here.
Keywords: free fabrication; fabrication monolithic; synthesis; metal ... See more keywords
Template-free fabrication of fractal porous Y2O3 monolithic foam and its functional modification by Ni-doping
Sign Up to like & getrecommendations! Published in 2020 at "Science China Materials"
DOI: 10.1007/s40843-020-1317-1
Abstract: 自相似的分形结构如云、树、雪花、闪电、人类循环系统 等广泛存在于自然界中, 然而自然界中自发形成的分形结构很难 用常规的实验室合成方法得到. 本文利用一种无模板的、基于金 属-小分子配位聚合作用的自组装方法, 制备了具有分形孔结构的 整体钇-氨基酸配合物材料, 并通过焙烧得到分形孔结构Y2O3. 材 料的孔尺度分布范围从微米到纳米尺度, 最为有趣的是, 这种孔结 构表现出自相似特征的结构, 即任意一级的大孔的孔壁都是由次 级尺度范围的二级小孔孔结构组成. 整体配合物由几十微米的微 米孔构筑而成, 微米孔的孔壁由尺度更小的次级微米孔组成, 次级 微米孔的孔壁继续由100 nm左右的纳米孔组成. 继续放大后可以 看到纳米孔的孔壁包含由纳米晶粒堆积而成的更小的介孔 (2–10 nm). 通过在合成中引入其他金属阳离子(Ni2+, Bi3+, Ce3+, Eu3+), 可以得到分形孔包裹镶嵌的掺杂型分形孔混合氧化物. 以 Ni2+为例, 分散的NiO纳米颗粒嵌入Y2O3泡沫分形孔结构中. 在乙… read more here.
Keywords: y2o3; free fabrication; porous y2o3; fractal porous ... See more keywords
Vacuum-free fabrication of organic solar cell on assembled glass substrates
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DOI: 10.1016/j.optmat.2020.110683
Abstract: Abstract Vacuum-free fabrication is essential to realize large-scale production of organic solar cells. Blade-coating and printing are important solution-processing techniques to realize this idea. Preparation devices on large substrates is important for mass production; however,… read more here.
Keywords: organic solar; vacuum free; free fabrication; assembled glass ... See more keywords
Calcination-Free Fabrication of Highly b-Oriented Silicalite-1 Zeolite Films by Secondary Growth in the Absence of Organic Structure-Directing Agents
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DOI: 10.1021/acs.iecr.1c01102
Abstract: Calcination-free fabrication of highly b-oriented silicalite-1 (S-1) zeolite films in the absence of organic structure-directing agents (OSDAs) is attractive but still challenging. Herein, for the ... read more here.
Keywords: fabrication highly; oriented silicalite; calcination free; free fabrication ... See more keywords
Mandrel-free fabrication of giant spring-index and stroke muscles for diverse applications.
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DOI: 10.1126/science.adr6708
Abstract: Methods for making high-spring-index polymer fiber or yarn muscles have required expensive fabrication by wrapping around a mandrel, which limits their practical applications. We demonstrate an inexpensive mandrel-free method for making polymer muscles that can… read more here.
Keywords: free fabrication; spring index; mandrel free; index ... See more keywords