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Semiconducting perovskites (2-XC6H4C2H4NH3)2SnI4 (X = F, Cl, Br): steric interaction between the organic and inorganic layers.

Publication ,  Journal Article
Xu, Z; Mitzi, DB; Dimitrakopoulos, CD; Maxcy, KR
Published in: Inorganic chemistry
March 2003

Two new semiconducting hybrid perovskites based on 2-substituted phenethylammonium cations, (2-XC(6)H(4)C(2)H(4)NH(3))(2)SnI(4) (X = Br, Cl), are characterized and compared with the previously reported X = F compound, with a focus on the steric interaction between the organic and inorganic components. The crystal structure of (2-ClC(6)H(4)C(2)H(4)NH(3))(2)SnI(4) is solved in a disordered subcell [C2/m, a = 33.781(7) A, b = 6.178(1) A, c = 6.190(1) A, beta = 90.42(3)(o), and Z = 2]. The structure is similar to the known (2-FC(6)H(4)C(2)H(4)NH(3))(2)SnI(4) structure with regard to both the conformation of the organic cations and the bonding features of the inorganic sheet. The (2-BrC(6)H(4)C(2)H(4)NH(3))(2)SnI(4) system adopts a fully ordered monoclinic cell [P2(1)/c, a = 18.540(2) A, b = 8.3443(7) A, c = 8.7795(7) A, beta = 93.039(1)(o), and Z = 2]. The organic cation adopts the anti conformation, instead of the gauche conformation observed in the X = F and Cl compounds, apparently because of the need to accommodate the additional volume of the bromo group. The steric effect of the bromo group also impacts the perovskite sheet, causing notable distortions, such as a compressed Sn-I-Sn bond angle (148.7(o), as compared with the average values of 153.3 and 154.8(o) for the fluoro and chloro compounds, respectively). The optical absorption features a substantial blue shift (lowest exciton peak: 557 nm, 2.23 eV) relative to the spectra of the fluoro and chloro compounds (588 and 586 nm, respectively). Also presented are transport properties for thin-film field-effect transistors (TFTs) based on spin-coated films of the two hybrid semiconductors.

Duke Scholars

Published In

Inorganic chemistry

DOI

EISSN

1520-510X

ISSN

0020-1669

Publication Date

March 2003

Volume

42

Issue

6

Start / End Page

2031 / 2039

Related Subject Headings

  • Inorganic & Nuclear Chemistry
  • 3403 Macromolecular and materials chemistry
  • 3402 Inorganic chemistry
  • 0399 Other Chemical Sciences
  • 0306 Physical Chemistry (incl. Structural)
  • 0302 Inorganic Chemistry
 

Citation

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Xu, Z., Mitzi, D. B., Dimitrakopoulos, C. D., & Maxcy, K. R. (2003). Semiconducting perovskites (2-XC6H4C2H4NH3)2SnI4 (X = F, Cl, Br): steric interaction between the organic and inorganic layers. Inorganic Chemistry, 42(6), 2031–2039. https://doi.org/10.1021/ic0261474
Xu, Zhengtao, David B. Mitzi, Christos D. Dimitrakopoulos, and Karen R. Maxcy. “Semiconducting perovskites (2-XC6H4C2H4NH3)2SnI4 (X = F, Cl, Br): steric interaction between the organic and inorganic layers.Inorganic Chemistry 42, no. 6 (March 2003): 2031–39. https://doi.org/10.1021/ic0261474.
Xu Z, Mitzi DB, Dimitrakopoulos CD, Maxcy KR. Semiconducting perovskites (2-XC6H4C2H4NH3)2SnI4 (X = F, Cl, Br): steric interaction between the organic and inorganic layers. Inorganic chemistry. 2003 Mar;42(6):2031–9.
Xu, Zhengtao, et al. “Semiconducting perovskites (2-XC6H4C2H4NH3)2SnI4 (X = F, Cl, Br): steric interaction between the organic and inorganic layers.Inorganic Chemistry, vol. 42, no. 6, Mar. 2003, pp. 2031–39. Epmc, doi:10.1021/ic0261474.
Xu Z, Mitzi DB, Dimitrakopoulos CD, Maxcy KR. Semiconducting perovskites (2-XC6H4C2H4NH3)2SnI4 (X = F, Cl, Br): steric interaction between the organic and inorganic layers. Inorganic chemistry. 2003 Mar;42(6):2031–2039.
Journal cover image

Published In

Inorganic chemistry

DOI

EISSN

1520-510X

ISSN

0020-1669

Publication Date

March 2003

Volume

42

Issue

6

Start / End Page

2031 / 2039

Related Subject Headings

  • Inorganic & Nuclear Chemistry
  • 3403 Macromolecular and materials chemistry
  • 3402 Inorganic chemistry
  • 0399 Other Chemical Sciences
  • 0306 Physical Chemistry (incl. Structural)
  • 0302 Inorganic Chemistry