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Showing 1 to 12 of 74 entries
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Maximum Theoretical Efficiency Limit of Photovoltaic Devices: Effect of Band Structure on Excited State Entropy.

The journal of physical chemistry letters

Osterloh FE.
PMID: 26278444
J Phys Chem Lett. 2014 Oct 02;5(19):3354-9. doi: 10.1021/jz501740n. Epub 2014 Sep 17.

The Shockley-Queisser analysis provides a theoretical limit for the maximum energy conversion efficiency of single junction photovoltaic cells. But besides the semiconductor bandgap no other semiconductor properties are considered in the analysis. Here, we show that the maximum conversion...

Boosting the Efficiency of Suspended Photocatalysts for Overall Water Splitting.

The journal of physical chemistry letters

Osterloh FE.
PMID: 26277937
J Phys Chem Lett. 2014 Aug 07;5(15):2510-1. doi: 10.1021/jz501342j.

No abstract available.

Planar gold nanoparticle clusters as microscale mirrors.

Journal of the American Chemical Society

Kim JY, Osterloh FE.
PMID: 16551068
J Am Chem Soc. 2006 Mar 29;128(12):3868-9. doi: 10.1021/ja057958k.

Dispersible microscale mirror particles were synthesized by linkage of citrate-coated gold nanoparticles and 3-aminopropylsilyl-modified Ca2Nb3O10 perovskite nanoplates. The mirror particles reflect 14-19% of light in the 500-800 nm wavelength interval with retention of polarization. Due to their directional reflection...

Alkanethiol-induced structural rearrangements in silica-gold core-shell-type nanoparticle clusters: an opportunity for chemical sensor engineering.

Langmuir : the ACS journal of surfaces and colloids

Osterloh F, Hiramatsu H, Porter R, Guo T.
PMID: 15986699
Langmuir. 2004 Jun 22;20(13):5553-8. doi: 10.1021/la0348719.

Electrostatically bonded SiO2.Au nanoparticle clusters form by reaction of 3-aminopropylsilane-modified SiO2 spheres (470 nm) with citrate-coated gold nanoparticles (9.7 nm) in water. Reaction of the clusters with 0.01 M KBr or HCl solution induces desorption of the gold nanoparticles...

Fe3O4-LiMo3Se3 nanoparticle clusters as superparamagnetic nanocompasses.

Langmuir : the ACS journal of surfaces and colloids

Osterloh FE, Hiramatsu H, Dumas RK, Liu K.
PMID: 16207056
Langmuir. 2005 Oct 11;21(21):9709-13. doi: 10.1021/la051498r.

A scaleable chemical approach to functional nanoscale analogues of the magnetic compasses in magnetotactic bacteria is described. LiMo(3)Se(3)-Fe(3)O(4) nanowire-nanoparticle composites were synthesized by a reaction of 3-iodopropionic acid treated LiMo(3)Se(3) nanowire bundles with oleic acid-stabilized Fe(3)O(4) nanoparticles of 2.8,...

Photocatalytic water oxidation with nonsensitized IrO2 nanocrystals under visible and UV light.

Journal of the American Chemical Society

Frame FA, Townsend TK, Chamousis RL, Sabio EM, Dittrich T, Browning ND, Osterloh FE.
PMID: 21524069
J Am Chem Soc. 2011 May 18;133(19):7264-7. doi: 10.1021/ja200144w. Epub 2011 Apr 27.

Rutile IrO(2) is known as being among the best electrocatalysts for water oxidation. Here we report on the unexpected photocatalytic water oxidation activity of 1.98 nm ± 0.11 nm succinic acid-stabilized IrO(2) nanocrystals. From aqueous persulfate and silver nitrate...

Differences in DOM of rewetted and natural peatlands - Results from high-field FT-ICR-MS and bulk optical parameters.

The Science of the total environment

Herzsprung P, Osterloh K, von Tümpling W, Harir M, Hertkorn N, Schmitt-Kopplin P, Meissner R, Bernsdorf S, Friese K.
PMID: 28215801
Sci Total Environ. 2017 May 15;586:770-781. doi: 10.1016/j.scitotenv.2017.02.054. Epub 2017 Feb 16.

Peatlands can be a potential source of dissolved organic matter (DOM) in fresh water catchment areas. The quantity and quality of DOM can differ between pristine, degraded and rewetted peatlands. Due to the large scale and continuing losses of...

Synthesis, Electrochemistry, and Reversible Interconversion among Perhalogenated Hydroxyphenyl Ni(II) Porphyrins, Porphodimethenes, and Porpho-5,15-bis-paraquinone Methide.

Inorganic chemistry

Cong L, Chahal MK, Osterloh R, Sankar M, Kadish KM.
PMID: 31633340
Inorg Chem. 2019 Nov 04;58(21):14361-14376. doi: 10.1021/acs.inorgchem.9b01642. Epub 2019 Oct 21.

Two octahalogenated nickel(II) hydroxyphenylporphyrins were synthesized and characterized as to their electrochemical and spectroscopic properties as well as their reactivity in neutral, acidic, and basic nonaqueous media. The newly synthesized complexes are represented as NiPorCl

Wavelength dependent photochemical charge transfer at the Cu.

Chemical communications (Cambridge, England)

Wu Z, Cheung G, Wang J, Zhao Z, Osterloh FE.
PMID: 30047953
Chem Commun (Camb). 2018 Aug 09;54(65):9023-9026. doi: 10.1039/c8cc04123g.

The understanding of the photochemical charge transfer properties of powdered semiconductors is of relevance to artificial photosynthesis and the production of solar fuels. Here we use surface photovoltage spectroscopy to probe photoelectrochemical charge transfer between bismuth vanadate (BiVO4) and...

Focal random selection closes the gender gap in competitiveness.

Science advances

Berger J, Osterloh M, Rost K.
PMID: 33219019
Sci Adv. 2020 Nov 20;6(47). doi: 10.1126/sciadv.abb2142. Print 2020 Nov.

Gender differences in choosing to enter competitions are an important cause of the leaky pipeline for women in leadership roles and represent a considerable waste of human resources. We used an incentivized laboratory experiment to evaluate whether the introduction...

Old Dog, New Tricks: Innocent, Five-coordinate Cyanocobalt Corroles.

Inorganic chemistry

Osterloh WR, Desbois N, Quesneau V, Brandès S, Fleurat-Lessard P, Fang Y, Blondeau-Patissier V, Paolesse R, Gros CP, Kadish KM.
PMID: 32452674
Inorg Chem. 2020 Jun 15;59(12):8562-8579. doi: 10.1021/acs.inorgchem.0c01037. Epub 2020 May 26.

Three mono-CN ligated anionic cobalt A

Nickel(II) monobenzoporphyrins and chlorins: synthesis, electrochemistry and anion sensing properties.

Dalton transactions (Cambridge, England : 2003)

Kumar S, Chaudhri N, Osterloh WR, Kadish KM, Sankar M.
PMID: 34779452
Dalton Trans. 2021 Nov 30;50(46):17086-17100. doi: 10.1039/d1dt03122h.

A series of nickel(II) monobenzochlorins (MBCs) and monobenzoporphyrins (MBPs) containing

Showing 1 to 12 of 74 entries