TY - GEN
T1 - Ultrafast energy migration in porphyrin-based Metal Organic Frameworks (MOFs)
AU - Patwardhan, Sameer
AU - Jin, Shengye
AU - Son, Ho Jin
AU - Schatz, George C.
N1 - Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.
PY - 2013
Y1 - 2013
N2 - In this paper, we have studied the energy transport properties of two porphyrin-containing metal organic frameworks (MOFs) for light-harvesting applications. The photoinduced singlet exciton migration is investigated using fluorescence quenching experiments, whereas details on exciton transport anisotropy and net displacements are obtained using a Förster theory analysis. The striking difference in the energy-transport properties for the two MOFs, albeit for similar molecular organization, is attributed to dissimilar spatial expanse and difference in the electronic structure of their porphyrin struts. The observed exciton displacements, of up to 60 nm, provides motivation to explore new MOF materials. Several new linkers are considered, leading to predictions of MOF structures, which provide both broad-wavelength harvesting and unidirectional energy transporting MOFs with selected examples. (Figure Presented)
AB - In this paper, we have studied the energy transport properties of two porphyrin-containing metal organic frameworks (MOFs) for light-harvesting applications. The photoinduced singlet exciton migration is investigated using fluorescence quenching experiments, whereas details on exciton transport anisotropy and net displacements are obtained using a Förster theory analysis. The striking difference in the energy-transport properties for the two MOFs, albeit for similar molecular organization, is attributed to dissimilar spatial expanse and difference in the electronic structure of their porphyrin struts. The observed exciton displacements, of up to 60 nm, provides motivation to explore new MOF materials. Several new linkers are considered, leading to predictions of MOF structures, which provide both broad-wavelength harvesting and unidirectional energy transporting MOFs with selected examples. (Figure Presented)
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U2 - 10.1557/opl.2013.987
DO - 10.1557/opl.2013.987
M3 - Conference contribution
AN - SCOPUS:84900301140
SN - 9781632661272
T3 - Materials Research Society Symposium Proceedings
SP - 22
EP - 27
BT - From Molecules to Materials
PB - Materials Research Society
T2 - 2013 MRS Spring Meeting
Y2 - 1 April 2013 through 5 April 2013
ER -