Electrochromic Behavior of Ionically Self-Assembled Thin Films

2000 ◽  
Vol 660 ◽  
Author(s):  
J.A. Janik ◽  
J.R. Heflin ◽  
D. Marciu ◽  
M.B. Miller ◽  
R.M. Davis
Keyword(s):  
Thin Films ◽  
Absorption Spectrum ◽  
Solid State ◽  
Sulfonic Acid ◽  
Spatial Location ◽  
Self Assembled Monolayers ◽  
Electrochromic Materials ◽  
Solid State Devices ◽  
Assembled Monolayers ◽  
Self Assembled

ABSTRACTIonically self-assembled monolayers (ISAMs), fabricated by alternate adsorption of cationic and anionic components, yield exceptionally homogeneous thin films with sub- nanometer control of the thickness and relative spatial location of the component materials. Using organic electrochromic materials such as polyaniline, we report studies of electrochromic responses in ISAM films. Reversible changes in the absorption spectrum are observed with the application of voltages on the order of 1.0 V. Measurements are made using both liquid electrolytes and in all-solid state devices incorporating solid polyelectrolytes such as poly(2- acylamido 2-methyl propane sulfonic acid) (PAMPS).

Self-assembled Monolayers Preparation and Characterization of BiFeO3 Thin Films

2009 ◽  
Vol 25 (1) ◽  
pp. 83-86 ◽  
Author(s):  
Guo-Qiang TAN ◽  
Hai-Yang BO ◽  
Hong-Yan MIAO ◽  
Ao XIA ◽  
Zhong-Liang HE
Keyword(s):  
Thin Films ◽  
Self Assembled Monolayers ◽  
Assembled Monolayers ◽  
Self Assembled

Nanoporous Thin Films Formed from Photocleavable Diblock Copolymers on Gold Substrates Modified with Thiolate Self-Assembled Monolayers

Langmuir ◽  
2020 ◽  
Vol 36 (31) ◽  
pp. 9259-9268 ◽  
Author(s):  
Takashi Ito ◽  
Herman Coceancigh ◽  
Yi Yi ◽  
Jay N. Sharma ◽  
Fred C. Parks ◽  
...  
Keyword(s):  
Thin Films ◽  
Diblock Copolymers ◽  
Self Assembled Monolayers ◽  
Gold Substrates ◽  
Assembled Monolayers ◽  
Self Assembled

Formation and stability of porphyrin and phthalocyanine self-assembled monolayers on ZnO surfaces

2016 ◽  
Vol 20 (08n11) ◽  
pp. 1264-1271 ◽  
Author(s):  
Hanna Hakola ◽  
Essi Sariola-Leikas ◽  
Paavo Jäntti ◽  
Thomas Mokus ◽  
Kati Stranius ◽  
...  
Keyword(s):  
Thin Films ◽  
Zno Nanorods ◽  
Self Assembled Monolayers ◽  
Layer Formation ◽  
Zno Film ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Anchoring Groups ◽  
The Stability ◽  
Phosphate Groups

Formation of self-assembled monolayers (SAMs) of three porphyrin and one phthalocyanine derivatives on thin ZnO film was studied by monitoring absorption spectra of the samples. The compounds were equipped with carboxylic or phosphate groups to bind to the surface. The SAM formation was found to be fast. The layer was formed in less than 15 min for all studied porphyrins, and 30 min was sufficient to form phthalocyanine layer. For porphyrins with different anchor groups the SAM formation was too fast to see any difference between the anchoring groups. The stability of SAMs was tested then by immersing the samples into neat solvents. Upon immersion the SAMs were gradually losing the absorbance for all the compounds with degradation trends being in line with p[Formula: see text] values of the binding groups of the same type. However, even for the weakest binding group the SAM was relatively stable after a few tens of minutes of washing, which was sufficient to remove physisorbed compounds but the SAM was essentially not destroyed. Comparison of SAMs on thin films with SAMs on ZnO nanorods and TiO2 nanoparticle films indicated the same fast layer formation but relatively weaker SAMs stability, showing 20–40% faster absorption losses during the washing.

The influence of 2D nanomaterials on electron transfer across molecular thin films

2019 ◽  
Vol 4 (2) ◽  
pp. 431-436
Author(s):  
Na Kong ◽  
Shuang Zhang ◽  
Jing Liu ◽  
Jianmei Wang ◽  
Zhen Liu ◽  
...  
Keyword(s):  
Thin Films ◽  
Electron Transfer ◽  
Self Assembled Monolayers ◽  
Assembled Monolayers ◽  
2D Nanomaterials ◽  
Electron Transfer Pathways ◽  
Molecular Thin Films ◽  
Self Assembled

Design and formation of electron transfer pathways across self-assembled monolayers by the hydrophobic attachment of BN-NH2 and MoS2 nanosheets.

Controlled Assembly of Patterned Gold Thin Films Using Photolithographed Self-assembled Monolayers as Templates

1997 ◽  
Vol 26 (11) ◽  
pp. 1147-1148 ◽  
Author(s):  
Junfu Liu ◽  
Lingang Zhang ◽  
Pansong Mao ◽  
Deying Chen ◽  
Ning Gu ◽  
...  
Keyword(s):  
Thin Films ◽  
Self Assembled Monolayers ◽  
Controlled Assembly ◽  
Assembled Monolayers ◽  
Gold Thin Films ◽  
Self Assembled

Solid state electrochemiluminescence from homogeneous and patterned monolayers of bifunctional spirobifluorene

2018 ◽  
Vol 54 (39) ◽  
pp. 4999-5002 ◽  
Author(s):  
Sergej Kudruk ◽  
Elena Villani ◽  
Federico Polo ◽  
Sebastian Lamping ◽  
Martin Körsgen ◽  
...  
Keyword(s):  
Solid State ◽  
Self Assembled Monolayers ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Covalently Linked

Electrochemiluminescence (ECL) from self-assembled monolayers of a spirobifluorene dye covalently linked to a transparent ITO surface is reported.

Effects of Self-Assembled Monolayers on Solid-State CdS Quantum Dot Sensitized Solar Cells

ACS Nano ◽  
2011 ◽  
Vol 5 (2) ◽  
pp. 1495-1504 ◽  
Author(s):  
Pendar Ardalan ◽  
Thomas P. Brennan ◽  
Han-Bo-Ram Lee ◽  
Jonathan R. Bakke ◽  
I-Kang Ding ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solid State ◽  
Quantum Dot ◽  
Self Assembled Monolayers ◽  
Cds Quantum Dot ◽  
Assembled Monolayers ◽  
Self Assembled ◽  
Sensitized Solar Cells
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