A Supramolecular Wire Able to Self-Assemble on Gold Surface: Controlling the Film Length to Optimize the Device Lifetime and Electron Transfer Efficiency

被引：0

作者：

Kubitzky, Sascha ^{[1
,2
]}

Lettieri, Raffaella ^{[1
]}

Passaretti, Elena ^{[3
]}

Venanzi, Mariano ^{[1
]}

De Zotti, Marta ^{[4
]}

Mazzuca, Claudia ^{[1
]}

Placidi, Ernesto ^{[5
]}

Gatto, Emanuela ^{[1
]}

机构：

[1] Univ Roma Tor Vergata, Dept Chem Sci & Technol, I-00133 Rome, Italy

[2] Univ Perugia, Dept Chem Biol & Biotechnol, I-06123 Perugia, Italy

[3] ETH, Inst Bldg Mat, CH-8093 Zurich, Switzerland

[4] Univ Padua, Dept Chem Sci, I-35131 Padua, Italy

[5] Sapienza Univ Rome, Dept Phys, I-00185 Rome, Italy

来源：

ADVANCED MATERIALS INTERFACES | 2024年

关键词：

peptides; photocurrent generation; self assembled monolayers; supramolecular chemistry; thymine-adenine interactions; DISTANCE DEPENDENCE; PHOTOELECTROCHEMICAL PROPERTIES; ENERGY-CONVERSION; HELICAL PEPTIDES; MONOLAYERS; PHOTOCURRENT; PORPHYRIN; ARCHITECTURES; CONFORMATION; ALKANETHIOL;

D O I：

10.1002/admi.202400418

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A chemical "lego nanoset" has been used to realize different structures on gold surfaces. Three building blocks have been designed, in order to chemically link the surface and self-assemble in an ordered manner. Self-assembled films are arranged on a gold surface into 3D suprastructures via consecutive deposition of different mono-layers, taken together by thymine-adenine hydrogen bonds. Three films, composed of one, two, and three helical peptide layers, both containing a zinc-tetraphenylporphyrin dye as an external sheet, are built and characterized by spectro-electrochemical and spectroscopic techniques. All films are found to generate current under illumination, and their photoresponse and stability are studied as a function of the number of peptide layers. The efficiency of the photoconversion process has been correlated to the molecular organization of the porphyrin dyes in the film and to the templating role of the bridge between the porphyrin and the gold surface.

引用

页数：8

共 3 条

[1] Alkyl chain length dependence of quantum efficiency of photoinduced electron transfer at gold electrodes modified with self-assembled monolayer containing porphyrin and ferrocene groups
Yanagida, M
Kanai, T
Kondo, T
Uosaki, K
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1998, 216 : U783 - U783
[2] Effects of alkylchain length on the efficiency of photoinduced electron transfer at gold electrodes modified with self-assembled monolayers of molecules containing porphyrin, ferrocene and thiol separated each other by alkylchains
Kondo, T
Kanai, T
Iso-o, K
Uosaki, K
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS, 1999, 212 : 23 - 30
[3] Effects of alkylchain length on the efficiency of photoinduced electron transfer at gold electrodes modified with self-assembled monolayers of molecules containing porphyrin, ferrocene, and thiol separated each other by alkylchains.
Kondo, T
Kanai, T
Iso-o, K
Okamura, M
Uosaki, K
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1999, 217 : U357 - U357

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