(Ag2TeS3)2·A2S 6 (A = Rb, Cs): Layers of silver thiotellurite intergrown with alkali-metal polysulfides

Sandy L. Nguyen; Joon I. Jang; John B. Ketterson; Mercouri G. Kanatzidis

doi:10.1021/ic1011346

(Ag₂TeS₃)₂·A₂S ₆ (A = Rb, Cs): Layers of silver thiotellurite intergrown with alkali-metal polysulfides

Sandy L. Nguyen, Joon I. Jang, John B. Ketterson, Mercouri G. Kanatzidis

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Abstract

The layered compounds RbAg₂TeS₆ and CsAg ₂TeS₆ crystallize in the noncentrosymmetric space group P6₃cm, with a = 19.15 Å, c = 14.64 Å, and V = 4648 Å³ and a = 19.41 Å, c = 14.84 Å, and V = 4839 Å³ , respectively. The structures are composed of neutral [Ag₂TeS₃] layers alternating with charge-balanced salt layers containing polysulfide chains of [S₆]^2- and alkali-metal ions. RbAg₂- TeS₆ and CsAg ₂TeS₆ are air- and water-stable, wide-band-gap semiconductors (E_g ∼ 2.0 eV) exhibiting nonlinear-optical secondharmonic generation.

Original language	English (US)
Pages (from-to)	9098-9100
Number of pages	3
Journal	Inorganic chemistry
Volume	49
Issue number	20
DOIs	https://doi.org/10.1021/ic1011346
State	Published - Oct 18 2010

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "(Ag2TeS3)2·A2S 6 (A = Rb, Cs): Layers of silver thiotellurite intergrown with alkali-metal polysulfides",

abstract = "The layered compounds RbAg2TeS6 and CsAg 2TeS6 crystallize in the noncentrosymmetric space group P63cm, with a = 19.15 {\AA}, c = 14.64 {\AA}, and V = 4648 {\AA}3 and a = 19.41 {\AA}, c = 14.84 {\AA}, and V = 4839 {\AA}3 , respectively. The structures are composed of neutral [Ag2TeS3] layers alternating with charge-balanced salt layers containing polysulfide chains of [S6]2- and alkali-metal ions. RbAg2- TeS6 and CsAg 2TeS6 are air- and water-stable, wide-band-gap semiconductors (Eg ∼ 2.0 eV) exhibiting nonlinear-optical secondharmonic generation.",

author = "Nguyen, {Sandy L.} and Jang, {Joon I.} and Ketterson, {John B.} and Kanatzidis, {Mercouri G.}",

year = "2010",

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doi = "10.1021/ic1011346",

language = "English (US)",

volume = "49",

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journal = "Inorganic chemistry",

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publisher = "American Chemical Society",

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TY - JOUR

T1 - (Ag2TeS3)2·A2S 6 (A = Rb, Cs)

T2 - Layers of silver thiotellurite intergrown with alkali-metal polysulfides

AU - Nguyen, Sandy L.

AU - Jang, Joon I.

AU - Ketterson, John B.

AU - Kanatzidis, Mercouri G.

PY - 2010/10/18

Y1 - 2010/10/18

N2 - The layered compounds RbAg2TeS6 and CsAg 2TeS6 crystallize in the noncentrosymmetric space group P63cm, with a = 19.15 Å, c = 14.64 Å, and V = 4648 Å3 and a = 19.41 Å, c = 14.84 Å, and V = 4839 Å3 , respectively. The structures are composed of neutral [Ag2TeS3] layers alternating with charge-balanced salt layers containing polysulfide chains of [S6]2- and alkali-metal ions. RbAg2- TeS6 and CsAg 2TeS6 are air- and water-stable, wide-band-gap semiconductors (Eg ∼ 2.0 eV) exhibiting nonlinear-optical secondharmonic generation.

AB - The layered compounds RbAg2TeS6 and CsAg 2TeS6 crystallize in the noncentrosymmetric space group P63cm, with a = 19.15 Å, c = 14.64 Å, and V = 4648 Å3 and a = 19.41 Å, c = 14.84 Å, and V = 4839 Å3 , respectively. The structures are composed of neutral [Ag2TeS3] layers alternating with charge-balanced salt layers containing polysulfide chains of [S6]2- and alkali-metal ions. RbAg2- TeS6 and CsAg 2TeS6 are air- and water-stable, wide-band-gap semiconductors (Eg ∼ 2.0 eV) exhibiting nonlinear-optical secondharmonic generation.

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(Ag₂TeS₃)₂·A₂S ₆ (A = Rb, Cs): Layers of silver thiotellurite intergrown with alkali-metal polysulfides

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