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    • 3. 发明申请
    • PROCESS FOR PURIFYING SEMICONDUCTING SINGLE-WALLED CARBON NANOTUBES
    • 净化半导体碳纳米管的工艺
    • WO2015024115A1
    • 2015-02-26
    • PCT/CA2014/050788
    • 2014-08-18
    • NATIONAL RESEARCH COUNCIL OF CANADA
    • DING, JianfuMALENFANT, PatrickLI, ZhaoLEFEBVRE, JacquesCHENG, FuyongSIMARD, Benoit
    • B01D11/00B82Y30/00
    • B82Y30/00B01D11/0257B01D11/0265B82Y40/00
    • A two-step sc-SWCNT enrichment process involves a first step based on selective dispersion and extraction of semiconducting SWCNT using conjugated polymer followed by a second step based on an adsorptive process in which the product of the first step is exposed to an inorganic absorptive medium to selectively bind predominantly metallic SWCNTs such that what remains dispersed in solution is further enriched in semiconducting SWCNTs. The process is easily scalable for large-diameter semi- conducting single-walled carbon nanotube (sc-SWCNT) enrichment with average diameters in a range, for example, of about 0.6 to 2.2 nm. The first step produces an enriched sc-SWCNT dispersion with a moderated sc-purity (98%) at a high yield, or a high purity (99% and up) at a low yield. The second step can not only enhance the purity of the polymer enriched sc-SWCNTs with a moderate purity, but also further promote the highly purified sample to an ultra-pure level. Therefore, this two-step hybrid process provides sc-SWCNT materials with a super high purity, as well as both a high sc-purity (for example greater than 99%) and a high yield (up to about 20% or higher).
    • 两步sc-SWCNT富集方法包括基于使用共轭聚合物的半导体SWCNT的选择性分散和萃取的第一步骤,然后基于吸附过程的第二步骤,其中第一步骤的产物暴露于无机吸收介质 以选择性地结合主要金属的SWCNT,使得在溶液中分散的物质进一步富集在半导体SWCNT中。 该方法可以容易地扩展到大直径半导体单壁碳纳米管(sc-SWCNT)富集,其平均直径在例如约0.6至2.2nm的范围内。 第一步以高产率或高纯度(99%及以上)以低产率产生具有缓和sc-纯度(98%)的富集的sc-SWCNT分散体。 第二步不仅可以提高中等纯度的富集聚合物的sc-SWCNT的纯度,还可以进一步促进高纯度样品达到超纯水平。 因此,这种两步混合工艺提供具有超高纯度的sc-SWCNT材料,以及高sc纯度(例如大于99%)和高产率(高达约20%或更高)两者。
    • 4. 发明申请
    • METHOD FOR GENERATING SUPRAMOLECULAR ROTARY DEVICES AND SUPRAMOLECULAR ROTARY SWITCH
    • 用于产生分子旋转装置和分子旋转开关的方法
    • WO2008006520A2
    • 2008-01-17
    • PCT/EP2007/006008
    • 2007-07-06
    • PAUL SCHERRER INSTITUTBONIFAZI, DavideCHENG, FuyongDIEDERICH, FrançoisJUNG, ThomasKIEBELE, AndreasSPILLMANN, HannesWINTJES, Nikolai
    • BONIFAZI, DavideCHENG, FuyongDIEDERICH, FrançoisJUNG, ThomasKIEBELE, AndreasSPILLMANN, HannesWINTJES, Nikolai
    • B82B3/00B82Y10/00B82Y30/00B82Y40/00G11B9/14G11B9/149G11C13/0014G11C2213/14Y10T428/249953Y10T428/249978
    • A method for generating a porous network of supramolecular devices is disclosed, comprising the steps of : a) providing self-organizing molecules comprising connecting bonds and side-groups; b) generating a two-dimensional layer of said molecules on an unstructured surface, wherein self-organizing leads to an at least partially regular network of cells, each cell comprising a number of said self-organizing molecules and each cell offering a functional center; and c) further depositing a predefined amount of said self-organizing molecules and/or of other functional molecules on said two-dimensional layer, wherein these further deposited molecules accommodating in said functional centers of said cells, one or more of said further deposited molecules per cell, wherein said further deposited molecule comprises a multi-stable architecture together with the cell hosting the further deposited molecule. This method provides a rotary switch that offers on a large scale a bottom-up self assembly of the self-organizing molecules that result in a nanoporous network comprising single supramolecular switches that can be addressed individually and switched by changing its orientation. Such rotary switch is at low cost a very flexible and powerful nanodevice that can be largely used in molecurlar electronic applications, such as for the purpose of storing information.
    • 公开了一种用于产生超分子器件的多孔网络的方法,包括以下步骤:a)提供包括连接键和侧基的自组织分子; b)在非结构化表面上产生所述分子的二维层,其中自组织导致至少部分规则的细胞网络,每个细胞包含多个所述自组织分子,每个细胞提供功能中心; 以及c)在所述二维层上进一步沉积预定量的所述自组织分子和/或其它功能分子,其中这些进一步沉积的分子容纳在所述细胞的所述功能中心中,一个或多个所述另外沉积的分子 其中所述另外沉积的分子包含与承载另外沉积的分子的细胞一起的多稳定结构。 该方法提供了一种大规模提供自组织分子的自底向上自组装的旋转开关,其导致包含单个超分子开关的纳米多孔网络,其可以通过改变其取向而单独寻址和切换。 这种旋转开关是低成本的,非常灵活和强大的纳米器件,其可以主要用于电子应用中,例如用于存储信息的目的。