| Records |
Author  |
Azeem, M.; Guérin, A.; Dumais, T.; Caminos, L.; Goldstein, R.E.; Pesci, A.I.; de Dios Rivera, J.; Torres, M.J.; Wiener, J.; Campos, J.L.; Dumais, J. |
| Title |
Optimal Design of Multilayer Fog Collectors |
Type |
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| Year |
2020 |
Publication |
ACS Applied Materials & Interfaces |
Abbreviated Journal |
ACS Appl. Mater. Interfaces |
| Volume |
12 |
Issue |
6 |
Pages |
7736-7743 |
| Keywords |
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| Abstract |
The growing concerns over desertification have spurred research into technologies aimed at acquiring water from nontraditional sources such as dew, fog, and water vapor. Some of the most promising developments have focused on improving designs to collect water from fog. However, the absence of a shared framework to predict, measure, and compare the water collection efficiencies of new prototypes is becoming a major obstacle to progress in the field. We address this problem by providing a general theory to design efficient fog collectors as well as a concrete experimental protocol to furnish our theory with all the necessary parameters to quantify the effective water collection efficiency. We show in particular that multilayer collectors are required for high fog collection efficiency and that all efficient designs are found within a narrow range of mesh porosity. We support our conclusions with measurements on simple multilayer harp collectors. |
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| Publisher |
American Chemical Society |
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| ISSN |
1944-8244 |
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| Notes |
doi: 10.1021/acsami.9b19727 |
Approved |
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| Call Number |
UAI @ eduardo.moreno @ |
Serial |
1108 |
| Permanent link to this record |
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| Author |
Larrain, F.A.; Fuentes-Hernandez, C.; Chang, Y.CH.; Rodriguez-Toro, V.A.; Abraham, S.; Kippelen, B. |
| Title |
Increasing Volume in Conjugated Polymers to Facilitate Electrical Doping with Phosphomolybdic Acid |
Type |
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| Year |
2021 |
Publication |
ACS Applied Materials & Interfaces |
Abbreviated Journal |
ACS Appl. Mater. Interfaces |
| Volume |
13 |
Issue |
19 |
Pages |
23260-23267 |
| Keywords |
ORGANIC SEMICONDUCTORS; SOLAR-CELLS; CATALYSIS; TRANSPORT; PROGRESS; FILMS; RAMAN |
| Abstract |
Molecular p-type electrical dopants have been proven useful to fine-tune the optoelectronic properties of bulk organic semiconductors and their interfaces. Here, the volume in polymer films and its role in solution-based electrical p-type doping using phosphomolybdic acid (PMA) are studied. The polymer film volume was controlled using two approaches. One is based on heating both the PMA solution and the film prior to immersion. The second is based on coating the polymer film with a liquid blend that contains the PMA solution and a swelling solvent. 31P NMR and FTIR experiments indicate that the Keggin structure appears to be preserved throughout the doping process. Results show that increasing the polymer volume facilitates the infiltration of the PMA Keggin structure, which results in an increased electrical p-type doping level. |
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| ISSN |
1944-8244 |
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| Notes |
WOS:000655027500116 |
Approved |
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| Call Number |
UAI @ alexi.delcanto @ |
Serial |
1382 |
| Permanent link to this record |
