Ionic Conductivity of Gel Prepared Silicates
{'Code': '03070007', 'Directorate': {'Abbreviation': 'MPS', 'LongName': 'Direct For Mathematical & Physical Scien'}, 'Division': {'Abbreviation': 'DMR', 'LongName': 'Division Of Materials Research'}}
{'SignBlockName': 'David Nelson', 'PO_EMAI': None, 'PO_PHON': None}
This research will investigate the transport properties, in                     particular ionic conductivity, of gel-derived alkali silicate                   materials.  This investigation lies at the interface between                    chemistry and materials science.  High ionic conductivity                       requires high alkali concentrations.  The sol-gel process                       involving alkoxides and salts is one way of incorporating high                  concentrations of alkali into silicates.                                                                                                                        The sol-gel process is a low temperature approach to glass                      formation, where a mixture of alkoxides is allowed to hydrolyze                 and polymerize to form an oxide network.  The oxide network                     condenses in the presence of the solvent which can be removed                   from the pores by natural evaporation.  The microporous gel which               remains after drying is called a xerogel.  Preliminary studies                  show that the microporosity has an effect on transport                          properties and, consequently, ionic conductivity.                                                                                                               Three aspects of xerogels affecting transport properties are                    being investigated: 1) the effect of microporosity and pore size,               2) the contribution of proton conductivity, and 3) effect of                    phase separation in a microporous solid.  Principle                             instrumentation for this project includes complex impedance                     spectroscopy, nitrogen sorption analysis, Fourier transform                     infrared spectroscopy and solid state magic angle spinning                      nuclear magnetic spectroscopy.
[{'FirstName': 'Martha', 'LastName': 'Greenblatt', 'PI_MID_INIT': None, 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Martha Greenblatt', 'EmailAddress': 'greenbla@chem.rutgers.edu', 'NSF_ID': '000168195', 'StartDate': '08/01/1988', 'EndDate': None, 'RoleCode': 'Co-Principal Investigator'}, {'FirstName': 'Lisa', 'LastName': 'Klein', 'PI_MID_INIT': 'C', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Lisa C Klein', 'EmailAddress': 'licklein@rci.rutgers.edu', 'NSF_ID': '000237534', 'StartDate': '08/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}]
{'Name': 'Rutgers University New Brunswick', 'CityName': 'NEW BRUNSWICK', 'ZipCode': '089018559', 'PhoneNumber': '8489320150', 'StreetAddress': '3 RUTGERS PLZ', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'New Jersey', 'StateCode': 'NJ', 'CONGRESSDISTRICT': '12', 'CONGRESS_DISTRICT_ORG': 'NJ12', 'ORG_UEI_NUM': 'M1LVPE5GLSD9', 'ORG_LGL_BUS_NAME': 'RUTGERS, THE STATE UNIVERSITY', 'ORG_PRNT_UEI_NUM': None}
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[{'Code': '1762', 'Text': 'SOLID STATE & MATERIALS CHEMIS'}, {'Code': '1966', 'Text': 'SYNTHETIC INORGANIC'}, {'Code': '1984', 'Text': 'MATERIALS SYNTHESIS & PROCESSN'}]
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