RT Conference Proceedings
T1 Synthesis and properties of novel lanthanide carboxyphosphonates
A1 Pérez-Colodrero, Rosario Mercedes
A1 Salcedo, Inés R.
A1 Bazaga-García, Montse
A1 Zon, Jerzy
A1 Zareba, Jan K.
A1 Olivera-Pastor, Pascual
A1 Cabeza-Díaz, Aurelio
K1 Química - Congresos
K1 Conductividad - Congresos
AB Metal phosphonates are essentially acidic solids featured by groups such as P-OH, -COOH, etc. The presence of bound and lattice water favors the formation of H-bond networks, which make these compounds appropriate as proton conductors, attractive for proton exchange membranes (PEMs) of Fuel Cells. Moreover, these properties can be enhanced by appropriate modification of the synthesis conditions.We report here, general characteristics of three new series of isostructural compounds resulting from the combination of the polyfunctional 5-(dihydroxyphosphoryl) isophthalate acid with lanthanide ions. All compounds were synthesized under hydrothermal conditions and their crystal structures were solved from powder X-ray diffraction data using synchrotron radiation. In contrast with Series III compounds, which exhibit a layered structure, Series I and II present pillared frameworks. All these compounds contain water molecules that contribute to the formation of H-bond networks. Upon exposure to ammonia vapour, from an aqueous solution, solid state transformations are observed which are accompanied of an enhancement of their proton conductivity properties.
YR 2021
FD 2021-02-01
LK https://hdl.handle.net/10630/20889
UL https://hdl.handle.net/10630/20889
LA eng
NO Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech
DS RIUMA. Repositorio Institucional de la Universidad de Málaga
RD 20 ene 2026