多孔碳材料的制备
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MOFs Template Method-1
Template
homogeneous nucleation of zeolite-imidazolate-frameworks (ZIFs) to form uniform clusters
M+
The deposition of ZIF clusters and confined growth of ZIF to form a ultrathin layer of ZIF on both sides of GO
The polymerization of aromatic rings from petroleum pitch, forming interconnected thin polymer shells heating to 850 to carbonize the as formed polymer shells in the template-confinement-space Park,JJ.,et al.Carbon.2016,110,17-26
NiO Ni NiO Ni
NiO Ni
Mojtaba Jahanbakhshi.Mater.Sci.Eng.C,2017,70(1),544-551
Template-free method
Porous Carbon
Template method
Hard Template Method
Organic Template method
Porosity Porous Carbon
eh+ h+ h+
eeFast Mass transfer
ee-
h+
h+
Fast Charge transfer
Porous Carbon
Energy Storage Catalysis Electrode
Drug carrier
Supercapacitor
Modified Pechini method Template-free method
Redox Etching Method Porous Carbon
Template method
Modified Pechini Method
Template-free
Mix EDTA with NH3· H2O to form the buffer solution
pH 6.9
Pang,L.,et al.Mater. Lett. 2016,184(1),88-91
Redox Etching Method
Template-free
2NiO C 2Ni Precursor CO 2 layer was 2Ni O 2 2NiO
The graphite felt was immersed in the precursor
Organic Template method
Template
Film casting of PSP4VP/resorcinol supramolecular assembly Completion of microphase separation by solvent annealing at 80℃ in DMF/benzene mixed vapor In situ polymerization of resorcinol and formaldehyde by exposing the film to the formaldehyde gas
Carbonized
Washed
Clean and dried
MIL-53(Al) N2 flow
CYCY-3
800℃
Carbonized MOF
Small. 2016,12(15),2057-2066 JACS. 2012, 134(6), 2864-2867
Sophisticated method makes exquisite structure. Sometimes a simpler way can create more practicabilities.
Synthesis of porous carbon materials
Host: 闫静怡 Team: 王 玥 王万华
谢 王欣媛 王为得 兼 易可望 李晶晶 李兴邦
梁永源 林兴灏 刘志斌 沈
梦
Carbon Materials
More
Active sites
Enhanced Light absorption
4 times
Ni NiO
Precursor NiO Bare GF coated GF decorated GF
Ni NiO
NiO Ni
NiO Ni
Oxidation process of Ni (500 ℃) for 30 min in air atmosphere to recover NiO etching source
PS domain
Pyrolysis of the polymeric film in N2
P4VP/RFR P4VP/resorcinol Mesoporous domain Carbon Liang, C.,et al.Angew.Chem.2004,116(43),5909-5913
Dual Template Method
Template
TEOS
Mixing and stirring the solution contains F127 /resols(carbon source)/phenol and formaldehyde/TEOS/TMB Heating to 350℃ to remove the F127 templates and TMB to afford mesoporous polymer@silica
Add Mg(NO3)2· H2O and citric acid successively the buffer solution, then add NH3· H2O (pH)
Mg(NO3)2· H2O
NH3· H2O NH3· H2O
Heat the resulted compound at 150℃ for 15h to get the foam like gel Mesoporous Foam likecarbon gel Wash and calcine to get the mesoporous carbon materials Heat
Heat-treatment, acid etching treatment to form porous carbons
Wang,L.,et al.Nano Energy. 2016,30-42
MOFs Template Method-3
Template
Direct conversion of MOFs
F127
350 ℃ 900 90 ℃ HF
Heating to 900℃ to carbonize and afford carbon-silica multilayer vesicles
TMB
Immersing into HF to remove silica and obtain the mesoporous carbon vesicles Gu,D.,et al.Adv.Mater.2010,22(7),833-837
MOFs Template Method-2
Template
Mixing H2BDC with Zn2+ to synthesis the MOF-5
Adding GO powder into DMF to form GO suspension
Zn2+
Байду номын сангаас
GO suspension was added to the above mixed solution(Zn2+ and H2BDC)
Dual Template Method MOFs Template Method
Hard Template Method
Template
Petroleum pitch, KOH, nano-ZnO was mixed in the solid state
Heating the mixture up to 200 oC for 30 min to polymerized
Ni NiO Ni NiO Ni NiO
Washing with acid uniformly coated on GF
Heated to 500 C in Ar gas under vacuum to form NiO as etching source
Ni NiO
Ni NiO
Etch GF surface by NiO reduction in Ar gas at 600 ℃ and maintained for 30 min 4 times
ZIF layer protected carbonization of ZIF/GO composited sheet and acid etching treatment
N-doped carbon/grapheme nanosheet Shen,K.,et al.ACS Catal.,2016,6(9),5887–5903