نتایج جستجو برای: micropore

تعداد نتایج: 744  

2012
Guofa Dong Meihua Huang Lunhui Guan

SWCNTs and 15 mg FePc were dispersed into CHCl 3 under ultrasonication for 10 hours, then the black suspension was stirred for 4 hours, and kept still for 8 hours at room temperature. The final solution was filtered with 0.45 μm micropore membranes and dried under vacuum

Journal: :Journal of the Ceramic Association, Japan 1972

Journal: :Journal of the Ceramic Society of Japan 2008

Journal: :Physical chemistry chemical physics : PCCP 2011
Barbara Streppel Michael Hirscher

Low-pressure high-resolution hydrogen adsorption for the metal-organic framework MIL-101 are measured at 19.5 K and pressures below 57 kPa. The BET specific surface area and micropore volume are determined and compared to results from nitrogen adsorption at 77 K. Steps in the hydrogen adsorption isotherm are correlated to the pore structure of MIL-101.

2014

Finite concentration IGC SEA is a useful tool for the investigation of surface and pore properties. A novel combination of finite concentration IGC SEA and thermal desorption provides the possibility to separate micropore adsorption from surface and mesopore adsorption. This allows the calculation of BET values with physical relevance for highly microporous materials and the consideration of mo...

Journal: :Chemical communications 2012
Hasmukh A Patel Cafer T Yavuz

Modifying sorbents for the purpose of improving carbon dioxide capture often results in the loss of surface area or accessible pores, or both. We report the first noninvasive functionalization of the polymers of intrinsic microporosity (PIMs) where inclusion of the amidoxime functionality in PIM-1 increases carbon dioxide capacity up to 17% and micropore surface area by 20% without losing its f...

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