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Showing 1 to 12 of 189 entries
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Simultaneous Tunable Selection and Self-Assembly of Si Nanowires from Heterogeneous Feedstock.

ACS nano

Constantinou M, Rigas GP, Castro FA, Stolojan V, Hoettges KF, Hughes MP, Adkins E, Korgel BA, Shkunov M.
PMID: 27002685
ACS Nano. 2016 Apr 26;10(4):4384-94. doi: 10.1021/acsnano.6b00005. Epub 2016 Mar 28.

Semiconducting nanowires (NWs) are becoming essential nanobuilding blocks for advanced devices from sensors to energy harvesters, however their full technology penetration requires large scale materials synthesis together with efficient NW assembly methods. We demonstrate a scalable one-step solution process...

The Role of Ligand Packing Frustration in Body-Centered Cubic (bcc) Superlattices of Colloidal Nanocrystals.

The journal of physical chemistry letters

Goodfellow BW, Yu Y, Bosoy CA, Smilgies DM, Korgel BA.
PMID: 26266710
J Phys Chem Lett. 2015 Jul 02;6(13):2406-12. doi: 10.1021/acs.jpclett.5b00946. Epub 2015 Jun 22.

This paper addresses the assembly of body centered-cubic (bcc) superlattices of organic ligand-coated nanocrystals. First, examples of bcc superlattices of dodecanethiol-capped Au nanocrystals and oleic acid-capped PbS and PbSe nanocrystals are presented and examined by transmission electron microscopy (TEM)...

Properties of self-assembled nanostructures: general discussion.

Faraday discussions

Reguera J, Malachosky E, Martin M, Tebbe M, Law B, Isa L, Moehwald H, Liu Y, Bresme F, Ganeshan D, Sorensen C, Ghosh S, Fery A, Král P, Widmer-Cooper A, Graf C, Gallego A, Schiffrin D, Korgel B, Okram G, Sankaranarayanan S, Wang Y, Teranishi T, Salerno KM, McBride S, Lin XM.
PMID: 26149423
Faraday Discuss. 2015;181:365-81. doi: 10.1039/C5FD90042E.

No abstract available.

Role of Halides in the Ordered Structure Transitions of Heated Gold Nanocrystal Superlattices.

Langmuir : the ACS journal of surfaces and colloids

Yu Y, Goodfellow BW, Rasch MR, Bosoy C, Smilgies DM, Korgel BA.
PMID: 26013597
Langmuir. 2015 Jun 23;31(24):6924-32. doi: 10.1021/acs.langmuir.5b01498. Epub 2015 Jun 13.

Dodecanethiol-capped gold (Au) nanocrystal superlattices can undergo a surprisingly diverse series of ordered structure transitions when heated (Goodfellow, B. W.; Rasch, M. R.; Hessel, C. M.; Patel, R. N.; Smilgies, D.-M.; Korgel, B. A. Nano Lett. 2013, 13, 5710-5714)....

Colloidal luminescent silicon nanorods.

Nano letters

Lu X, Hessel CM, Yu Y, Bogart TD, Korgel BA.
PMID: 23731184
Nano Lett. 2013 Jul 10;13(7):3101-5. doi: 10.1021/nl401802h. Epub 2013 Jun 06.

Silicon nanorods are grown by trisilane decomposition in hot squalane in the presence of tin (Sn) nanocrystals and dodecylamine. Sn induces solution-liquid-solid nanorod growth with dodecylamine serving as a stabilizing ligand. As-prepared nanorods do not luminesce, but etching with...

Double-sided brush-shaped TiO2 nanostructure assemblies with highly ordered nanowires for dye-sensitized solar cells.

ACS applied materials & interfaces

Zha C, Shen L, Zhang X, Wang Y, Korgel BA, Gupta A, Bao N.
PMID: 24354310
ACS Appl Mater Interfaces. 2014 Jan 08;6(1):122-9. doi: 10.1021/am404942n. Epub 2013 Dec 19.

We describe a seeded hydrothermal process for the growth of unique double-sided brush-shaped (DSBS) TiO2 nanostructure assemblies consisting of highly ordered rutile nanowires vertically aligned around an annealed TiO2 nanoparticle layer. The annealed TiO2 nanoparticle layer seeds the nanowire...

Raman Spectroscopy of Oxide-Embedded and Ligand-Stabilized Silicon Nanocrystals.

The journal of physical chemistry letters

Hessel CM, Wei J, Reid D, Fujii H, Downer MC, Korgel BA.
PMID: 26288041
J Phys Chem Lett. 2012 May 03;3(9):1089-93. doi: 10.1021/jz300309n. Epub 2012 Apr 12.

Oxide-embedded and oxide-free alkyl-terminated silicon (Si) nanocrystals with diameters ranging from 3 nm to greater than 10 nm were studied by Raman spectroscopy. For ligand-passivated nanocrystals, the zone center Raman-active mode of diamond cubic Si shifted to lower frequency...

Multiexciton Solar Cells of CuInSe2 Nanocrystals.

The journal of physical chemistry letters

Stolle CJ, Harvey TB, Pernik DR, Hibbert JI, Du J, Rhee DJ, Akhavan VA, Schaller RD, Korgel BA.
PMID: 26270704
J Phys Chem Lett. 2014 Jan 16;5(2):304-9. doi: 10.1021/jz402596v. Epub 2014 Jan 07.

Peak external quantum efficiencies (EQEs) of just over 120% were observed in photovoltaic (PV) devices of CuInSe2 nanocrystals prepared with a photonic curing process. The extraction of more than one electron/hole pair as a result of the absorption of...

Elastin Insufficiency Predisposes Mice to Impaired Glucose Metabolism.

Journal of molecular and genetic medicine : an international journal of biomedical research

DeMarsilis AJ, Walji TA, Maedeker JA, Stoka KV, Kozel BA, Mecham RP, Wagenseil JE, Craft CS.
PMID: 26167199
J Mol Genet Med. 2014 Oct;8(3). doi: 10.4172/1747-0862.1000129.

Williams-Beuren syndrome is the consequence of a large contiguous-gene deletion on the seventh human chromosome that includes the elastin gene. Elastin is an extracellular matrix protein responsible for the cardiovascular abnormalities associated with Williams's syndrome, including hypertension and aortic...

Acquisition and extinction with different verbal reinforcement combinations.

Journal of experimental psychology

BRADEN W, BUSS AH, BUSS EH, ORGEL A.
PMID: 13367353
J Exp Psychol. 1956 Nov;52(5):288-95. doi: 10.1037/h0046140.

No abstract available.

Interactions between caffeine and cocaine in tests of self-administration.

Behavioural pharmacology

Schenk S, Valadez A, Horger BA, Snow S, Wellman PJ.
PMID: 11224263
Behav Pharmacol. 1994 Apr;5(2):153-158. doi: 10.1097/00008877-199404000-00006.

Interactions between the effects of cocaine and caffeine have been demonstrated in tests of motor activity and drug discrimination. Since both drugs are widely consumed by humans, the present study was undertaken to determine whether a similar interaction between...

Observation of long-range orientational order in monolayers of polydisperse colloids.

Langmuir : the ACS journal of surfaces and colloids

Rabideau BD, Pell LE, Bonnecaze RT, Korgel BA.
PMID: 17241044
Langmuir. 2007 Jan 30;23(3):1270-4. doi: 10.1021/la062632q.

Polydisperse amorphous-silicon colloidal particles ranging from approximately 10 to 140 nm in diameter were evaporated onto carbon substrates. The particles formed close-packed monolayers in which each particle had 6-fold nearest-neighbor coordination characteristic of a hexagonal lattice yet completely lacked...

Showing 1 to 12 of 189 entries