Dynamics of photoinduced charge transfer and hole transport in synthetic DNA hairpins

被引：515

作者：

Lewis, FD

Letsinger, RL

Wasielewski, MR

机构：

[1] Department of Chemistry, Northwestern University, Evanston

来源：

ACCOUNTS OF CHEMICAL RESEARCH | 2001年 / 34卷 / 02期

关键词：

D O I：

10.1021/ar0000197

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The dynamics of photoinduced charge separation and charge recombination processes in synthetic DNA hairpins have been investigated by means of femtosecond transient absorption spectroscopy. The driving force and distance dependence of charge transfer processes involving singlet accepters and nucleobase donors are consistent with a single-step superexchange mechanism in which the electronic coupling between the donor and acceptor is strongly distance dependent. The dynamics of reversible hole transport between a primary guanine donor and nearby GG or GGG sequences has also been determined and establishes that these sequences are very shallow hole traps.

引用

页码：159 / 170

页数：12

共 79 条

[11] INTRAMOLECULAR LONG-DISTANCE ELECTRON-TRANSFER IN ORGANIC-MOLECULES
CLOSS, GL
MILLER, JR
[J]. SCIENCE, 1988, 240 (4851) : 440 - 447
[12] Molecular-wire behaviour in p-phenylenevinylene oligomers
Davis, WB
Svec, WA
Ratner, MA
Wasielewski, MR
[J]. NATURE, 1998, 396 (6706) : 60 - 63
[13] Electron transfer rates in bridged molecular systems: A phenomenological approach to relaxation
Davis, WB
Wasielewski, MR
Ratner, MA
Mujica, V
Nitzan, A
[J]. JOURNAL OF PHYSICAL CHEMISTRY A, 1997, 101 (35) : 6158 - 6164
[14] SEMICONDUCTIVITY OF ORGANIC SUBSTANCES .9. NUCLEIC ACID IN DRY STATE
ELEY, DD
SPIVEY, DI
[J]. TRANSACTIONS OF THE FARADAY SOCIETY, 1962, 58 (470): : 411 - +
[15] MULTILEVEL REDFIELD TREATMENT OF BRIDGE-MEDIATED LONG-RANGE ELECTRON-TRANSFER - A MECHANISM FOR ANOMALOUS DISTANCE DEPENDENCE
FELTS, AK
POLLARD, WT
FRIESNER, RA
[J]. JOURNAL OF PHYSICAL CHEMISTRY, 1995, 99 (09) : 2929 - 2940
[16] Fundamentals in the design of molecular electronic devices: Long-range charge carrier transport and electronic coupling
Fox, MA
[J]. ACCOUNTS OF CHEMICAL RESEARCH, 1999, 32 (03) : 201 - 207
[17] Distance dependence of electron transfer in acridine-intercalated DNA
Fukui, K
Tanaka, K
Fujitsuka, M
Watanabe, A
Ito, O
[J]. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, 1999, 50 (01) : 18 - 27
[18] Fukui K, 1998, ANGEW CHEM INT EDIT, V37, P158, DOI 10.1002/(SICI)1521-3773(19980202)37:1/2<158::AID-ANIE158>3.3.CO
[19] 2-C
[20] Long distance charge transport in DNA: The hopping mechanism
Giese, B
[J]. ACCOUNTS OF CHEMICAL RESEARCH, 2000, 33 (09) : 631 - 636

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