Inorganic-organic hybrid composites containing MQ (II-VI) slabs

A new class of nanostructures with strong quantum confinement and periodic arrangement

X. Huang, H. R. Heulings IV, V. Le, Jing Li

Research output: Contribution to journalArticle

111 Citations (Scopus)

Abstract

A new class of nanostructures has been prepared and characterized. These nanocomposite hybrid materials are composed of two-dimensional MQ (II-VI) slabs and organic bifunctional molecules that act as links as well as spacers. The most intriguing properties of these nanostructures are that they exhibit strong quantum confinement effect while possessing a perfectly periodic arrangement. The crystal structures of [MnSe(en)0.5] (1; en = ethylenediamine), [MnSe(pda)0.5] (2; pda = propanediamine), [ZnSe(en)0.5] (3), and [ZnSe(pda)0.5] (4) have been analyzed by single crystal and powder X-ray diffraction methods. Compounds 1 and 3 are isostructural and crystallize in orthorhombic crystal system, space group Pbca (No. 61), Z = 4. Crystal data for 1: a = 6.711(1), b = 6.614(1), c = 17.720(4) Å, For 3: a = 6.6326(7), b = 6.4630(6), c = 17.3540(16) Å. Compounds 2 and 4 are isostructural and crystallize in orthorhombic crystal system, space group Cmc21 (No. 36), Z = 4. Crystal data for 2: a = 20.384(4), b = 6.719(1), c = 6.565(1) Å. For 4: a = 19.9731(18), b = 6.6268(7), c = 6.4394(6) Å. The optical absorption experiments show that both 3 and 4 generate a very large blue shift in the absorption edge (1.4-1.5 eV), and both compounds are thermally stable up to 250 °C.

Original languageEnglish
Pages (from-to)3754-3759
Number of pages6
JournalChemistry of Materials
Volume13
Issue number10
DOIs
Publication statusPublished - 2001

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Quantum confinement
Nanostructures
Crystals
ethylenediamine
Composite materials
Hybrid materials
X ray powder diffraction
Light absorption
Nanocomposites
Crystal structure
Single crystals
Molecules
Experiments

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

Cite this

Inorganic-organic hybrid composites containing MQ (II-VI) slabs : A new class of nanostructures with strong quantum confinement and periodic arrangement. / Huang, X.; Heulings IV, H. R.; Le, V.; Li, Jing.

In: Chemistry of Materials, Vol. 13, No. 10, 2001, p. 3754-3759.

Research output: Contribution to journalArticle

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title = "Inorganic-organic hybrid composites containing MQ (II-VI) slabs: A new class of nanostructures with strong quantum confinement and periodic arrangement",
abstract = "A new class of nanostructures has been prepared and characterized. These nanocomposite hybrid materials are composed of two-dimensional MQ (II-VI) slabs and organic bifunctional molecules that act as links as well as spacers. The most intriguing properties of these nanostructures are that they exhibit strong quantum confinement effect while possessing a perfectly periodic arrangement. The crystal structures of [MnSe(en)0.5] (1; en = ethylenediamine), [MnSe(pda)0.5] (2; pda = propanediamine), [ZnSe(en)0.5] (3), and [ZnSe(pda)0.5] (4) have been analyzed by single crystal and powder X-ray diffraction methods. Compounds 1 and 3 are isostructural and crystallize in orthorhombic crystal system, space group Pbca (No. 61), Z = 4. Crystal data for 1: a = 6.711(1), b = 6.614(1), c = 17.720(4) {\AA}, For 3: a = 6.6326(7), b = 6.4630(6), c = 17.3540(16) {\AA}. Compounds 2 and 4 are isostructural and crystallize in orthorhombic crystal system, space group Cmc21 (No. 36), Z = 4. Crystal data for 2: a = 20.384(4), b = 6.719(1), c = 6.565(1) {\AA}. For 4: a = 19.9731(18), b = 6.6268(7), c = 6.4394(6) {\AA}. The optical absorption experiments show that both 3 and 4 generate a very large blue shift in the absorption edge (1.4-1.5 eV), and both compounds are thermally stable up to 250 °C.",
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N2 - A new class of nanostructures has been prepared and characterized. These nanocomposite hybrid materials are composed of two-dimensional MQ (II-VI) slabs and organic bifunctional molecules that act as links as well as spacers. The most intriguing properties of these nanostructures are that they exhibit strong quantum confinement effect while possessing a perfectly periodic arrangement. The crystal structures of [MnSe(en)0.5] (1; en = ethylenediamine), [MnSe(pda)0.5] (2; pda = propanediamine), [ZnSe(en)0.5] (3), and [ZnSe(pda)0.5] (4) have been analyzed by single crystal and powder X-ray diffraction methods. Compounds 1 and 3 are isostructural and crystallize in orthorhombic crystal system, space group Pbca (No. 61), Z = 4. Crystal data for 1: a = 6.711(1), b = 6.614(1), c = 17.720(4) Å, For 3: a = 6.6326(7), b = 6.4630(6), c = 17.3540(16) Å. Compounds 2 and 4 are isostructural and crystallize in orthorhombic crystal system, space group Cmc21 (No. 36), Z = 4. Crystal data for 2: a = 20.384(4), b = 6.719(1), c = 6.565(1) Å. For 4: a = 19.9731(18), b = 6.6268(7), c = 6.4394(6) Å. The optical absorption experiments show that both 3 and 4 generate a very large blue shift in the absorption edge (1.4-1.5 eV), and both compounds are thermally stable up to 250 °C.

AB - A new class of nanostructures has been prepared and characterized. These nanocomposite hybrid materials are composed of two-dimensional MQ (II-VI) slabs and organic bifunctional molecules that act as links as well as spacers. The most intriguing properties of these nanostructures are that they exhibit strong quantum confinement effect while possessing a perfectly periodic arrangement. The crystal structures of [MnSe(en)0.5] (1; en = ethylenediamine), [MnSe(pda)0.5] (2; pda = propanediamine), [ZnSe(en)0.5] (3), and [ZnSe(pda)0.5] (4) have been analyzed by single crystal and powder X-ray diffraction methods. Compounds 1 and 3 are isostructural and crystallize in orthorhombic crystal system, space group Pbca (No. 61), Z = 4. Crystal data for 1: a = 6.711(1), b = 6.614(1), c = 17.720(4) Å, For 3: a = 6.6326(7), b = 6.4630(6), c = 17.3540(16) Å. Compounds 2 and 4 are isostructural and crystallize in orthorhombic crystal system, space group Cmc21 (No. 36), Z = 4. Crystal data for 2: a = 20.384(4), b = 6.719(1), c = 6.565(1) Å. For 4: a = 19.9731(18), b = 6.6268(7), c = 6.4394(6) Å. The optical absorption experiments show that both 3 and 4 generate a very large blue shift in the absorption edge (1.4-1.5 eV), and both compounds are thermally stable up to 250 °C.

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