Exciton kinetics in ultrathin molecular wires and pores
- 2 November 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 59 (18), 2103-2106
- https://doi.org/10.1103/physrevlett.59.2103
Abstract
When are molecular wires thin enough to show one-dimensional exciton kinetics? Cylindrical napthalene wires (5–5000 nm radius) show a definite one- to three-dimensional transition (about 25 nm for triplet excitons at 4 K; 40 nm at 77 K). Nuclepore channel-pore membranes (polycarbonate) serve as templates and calibrators. Vycor glass pores are effectively one dimensional. The triplet exciton migration (multiple hopping) length is 50–100 molecules. The recombination involves free and bound excitons.Keywords
This publication has 21 references indexed in Scilit:
- Length-Independent Voltage Fluctuations in Small DevicesPhysical Review Letters, 1987
- Are leached porous glasses fractal?Physical Review Letters, 1987
- Evenet al.respondPhysical Review Letters, 1987
- Elastic Scattering in a Normal-Metal Loop Causing Resistive Electronic BehaviorPhysical Review Letters, 1986
- Generalized many-channel conductance formula with application to small ringsPhysical Review B, 1985
- Non-Markoffian diffusion in a one-dimensional disordered latticeJournal of Statistical Physics, 1982
- Excitation dynamics in random one-dimensional systemsReviews of Modern Physics, 1981
- Maximum Metallic Resistance in Thin WiresPhysical Review Letters, 1977
- Exciton surface states in molecular crystalsThe Journal of Chemical Physics, 1974
- Random Walks with Nonnearest Neighbor Transitions. I. Analytic 1-D Theory for Next-Nearest Neighbor and Exponentially Distributed StepsJournal of Mathematical Physics, 1971