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Functionalization and characterization of InAs and InP surfaces with hemin
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10.1116/1.2746337
/content/avs/journal/jvstb/25/4/10.1116/1.2746337
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/25/4/10.1116/1.2746337

Figures

Image of FIG. 1.
FIG. 1.

Hemin and benzoic acid functionalized to III-V surface.

Image of FIG. 2.
FIG. 2.

XPS data with deconvoluted Gaussian-Lorentzian component fits of (a) InAs and InP samples in the C region. Before and after functionalization with hemin and benzoic acid for the InAs sample in the (b) As region, (c) N region, and (d) Fe region.

Image of FIG. 3.
FIG. 3.

XPS data with error function fits before and after functionalization with hemin and benzoic acid for the InAs and InP samples in the valence band region.

Image of FIG. 4.
FIG. 4.

AFM images of InAs functionalized with 1 and hemin solutions with a hemin:benzoic acid (BA) ratio of 1:10. The root mean square roughness values are also shown.

Image of FIG. 5.
FIG. 5.

Imaginary part of the pseudodielectric function of the InP and InAs surfaces dipped in the hemin (H) solution and in the hemin:benzoic solution. For comparison, the spectra of the degreased substrates (black line) are also shown. Black crosses are for hemin and dipping time; black dots are for H and dipping time; gray lines refer to hemin solution; and gray crosses are for H and dipping time.

Image of FIG. 6.
FIG. 6.

Imaginary part of the pseudodielectric function of the InAs surfaces dipped in the benzoic acid solution for , , and . For comparison, the spectrum of the degreased substrate is also shown.

Tables

Generic image for table
TABLE I.

Data of functionalization hemin overlayer thickness and coverage for InP and InAs as derived from SE data.

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/content/avs/journal/jvstb/25/4/10.1116/1.2746337
2007-07-31
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Functionalization and characterization of InAs and InP surfaces with hemin
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/25/4/10.1116/1.2746337
10.1116/1.2746337
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