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Issue 36, 2010
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Mapping of the organization of p-nitroaniline in SAPO-5 by second-harmonic generation microscopy

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Abstract

Second-harmonic generation microscopy (SHGM) has been employed to study crystals of zeolite-like material SAPO-5 filled with p-nitroaniline (PNA). The SHG and 2-photon fluorescence response of PNA in the one-dimensional channels readily reveals the pore accessibility; intergrown crystallites containing hexagonal pyramidal components and internal diffusion barriers are found next to seemingly perfect crystals. The sensitivity of second-harmonic generation to molecular orientation allowed for mapping of the domains of differently organized PNA. Dense domains of highly aligned PNA alternate with dilute zones with loosely aligned PNA.

Graphical abstract: Mapping of the organization of p-nitroaniline in SAPO-5 by second-harmonic generation microscopy

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Article information


Submitted
17 Apr 2010
Accepted
15 Jul 2010
First published
16 Aug 2010

Phys. Chem. Chem. Phys., 2010,12, 10688-10692
Article type
Communication

Mapping of the organization of p-nitroaniline in SAPO-5 by second-harmonic generation microscopy

M. A. van der Veen, J. Van Noyen, B. F. Sels, P. A. Jacobs, T. Verbiest and D. E. De Vos, Phys. Chem. Chem. Phys., 2010, 12, 10688
DOI: 10.1039/C0CP00257G

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