نتایج جستجو برای: zeolitic imidazolate framework

تعداد نتایج: 462800  

Journal: :Dalton transactions 2014
Liu He Lu Li Tingting Wang Hong Gao Guangzhe Li Xiaotong Wu Zhongmin Su Chungang Wang

A facile two-step strategy was developed to fabricate yellow fluorescent glutathione-Au nanoclusters/zeolitic imidazolate framework-8 nanoparticles (GSH-Au NCs/ZIF-8 NPs) and their derived Au/ZnO NPs, which exhibited visible light photocatalytic hydrogen evolution together with degradation of Rhodamine B (RhB).

Journal: :Chemical communications 2013
Chandan Dey Rahul Banerjee

A rare hybrid Metal-Oxide incorporated Zeolitic Imidazolate Framework, MOZIF-1, containing tetrahedral Zn(II) and Mo(VI) centres has been synthesized. MOZIF-1 can degrade methyl orange and orange II dyes under visible light. Na3[PMo12O40] is the source of Mo(VI) in MOZIF-1.

Journal: :Chemical communications 2012
Constantinos Dimitrakakis Benedetta Marmiroli Heinz Amenitsch Luca Malfatti Plinio Innocenzi Gianluca Grenci Lisa Vaccari Anita J Hill Bradley P Ladewig Matthew R Hill Paolo Falcaro

For the first time a top-down process was used to control the spatial location of Metal-Organic Frameworks on a surface. Deep X-ray lithography was utilised to micropattern a Zeolitic Imidazolate Framework layer on a sol-gel surface, with exposure hardening the sol-gel by inducing crosslinking while leaving the frameworks intact.

Journal: :Chemical communications 2012
Shuai Cao Thomas D Bennett David A Keen Andrew L Goodwin Anthony K Cheetham

We report the rapid amorphization of the prototypical substituted zeolitic imidazolate framework, ZIF-8, by ball-milling. The resultant amorphous ZIF-8 (a(m)ZIF-8) possesses a continuous random network (CRN) topology with a higher density and a lower porosity than its crystalline counterpart. A decrease in thermal stability upon amorphization is also evident.

Journal: :Chemical communications 2014
Zhenyu Sun Xing Huang Fang Liu Xiaoning Yang Christoph Rösler Roland A Fischer Martin Muhler Wolfgang Schuhmann

Four organic amine-based solvents were discovered which enable direct exfoliation of graphite to produce high-quality and oxygen-free graphene nanosheets. These solvents outperform previously used solvents and additives such as N-methyl-pyrrolidone and surfactants in terms of their dispersing capacity. The resulting dispersions allow the facile fabrication of zeolitic imidazolate framework (ZIF...

Journal: :Journal of the American Chemical Society 2009
Kunhao Li David H Olson Jonathan Seidel Thomas J Emge Hongwei Gong Heping Zeng Jing Li

Propane/propene separation by cryogenic distillation is one of the most energy and cost intensive industrial processes. Adsorptive separation is a more energy-efficient alternative. Three isostructural zinc imidazolate zeolitic framework materials are found, for the first time, to be very promising in the separation of propene and propane based on their different diffusion rates. Fine-tuning of...

Journal: :Dalton Transactions 2021

A porous ZnO/ZnMoO 4 heterostructure is prepared by a hybrid zeolitic imidazolate framework-derived oxidation method for alkaline water electrolysis.

2013
Yongha Hwang Anh Phan Kosmas Galatsis Omar M Yaghi Rob N Candler

This work presents for the first time a zeolitic imidazolate framework (ZIF)-coupled resonant gas sensor whose sensitivity shows an improvement up to 78 times over bare silicon resonant sensors with identical dimensions. ZIFs are among the highest surface area material used for resonant-based sensing. We utilize high surface area-to-volume ratios of ZIFs to demonstrate how a microresonator coup...

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