Abstract
The use of novel polyselenophenes as electrochromic (EC) materials was investigated. The poly(3,4-ethylenedioxyselenophene) (PEDOS) films were electrodeposited onto indium-tin-oxide (ITO) coated glass having dimensions of 3.2 cm × 0.7 cm at a constant potential of 0.93 V versus Ag/AgCl and passing charge of 0.03 C to form a film with a thickness of ≈ 100 nm. PEDOS film obtained under these conditions has a band gap of ca. 1.42 eV. Introduction of alkyl chains onto the polymer backbone significantly improved the EC properties of PEDOT derivatives. The band gap of PEDOS-C6 was estimated to be 1.54 eV (805 nm), which is about 0.12 eV higher than for PEDOS. It was observed that polyselenophene derivatives exhibit excellent characteristics for EC applications.
| Original language | English |
|---|---|
| Pages (from-to) | 1707-1711 |
| Number of pages | 5 |
| Journal | Advanced Materials |
| Volume | 21 |
| Issue number | 17 |
| DOIs | |
| Publication status | Published - May 4 2009 |
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ASJC Scopus subject areas
- Materials Science(all)
- Mechanics of Materials
- Mechanical Engineering
Cite this
Hexyl-derivatized poly(3,4-ethylenedioxyselenophene) : Novel highly stable organic electrochromic material with high contrast ratio, high coloration efficiency, and low-switching voltage. / Li, Mao; Patra, Asit; Sheynin, Yana; Bendikov, Michael.
In: Advanced Materials, Vol. 21, No. 17, 04.05.2009, p. 1707-1711.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Hexyl-derivatized poly(3,4-ethylenedioxyselenophene)
T2 - Novel highly stable organic electrochromic material with high contrast ratio, high coloration efficiency, and low-switching voltage
AU - Li, Mao
AU - Patra, Asit
AU - Sheynin, Yana
AU - Bendikov, Michael
PY - 2009/5/4
Y1 - 2009/5/4
N2 - The use of novel polyselenophenes as electrochromic (EC) materials was investigated. The poly(3,4-ethylenedioxyselenophene) (PEDOS) films were electrodeposited onto indium-tin-oxide (ITO) coated glass having dimensions of 3.2 cm × 0.7 cm at a constant potential of 0.93 V versus Ag/AgCl and passing charge of 0.03 C to form a film with a thickness of ≈ 100 nm. PEDOS film obtained under these conditions has a band gap of ca. 1.42 eV. Introduction of alkyl chains onto the polymer backbone significantly improved the EC properties of PEDOT derivatives. The band gap of PEDOS-C6 was estimated to be 1.54 eV (805 nm), which is about 0.12 eV higher than for PEDOS. It was observed that polyselenophene derivatives exhibit excellent characteristics for EC applications.
AB - The use of novel polyselenophenes as electrochromic (EC) materials was investigated. The poly(3,4-ethylenedioxyselenophene) (PEDOS) films were electrodeposited onto indium-tin-oxide (ITO) coated glass having dimensions of 3.2 cm × 0.7 cm at a constant potential of 0.93 V versus Ag/AgCl and passing charge of 0.03 C to form a film with a thickness of ≈ 100 nm. PEDOS film obtained under these conditions has a band gap of ca. 1.42 eV. Introduction of alkyl chains onto the polymer backbone significantly improved the EC properties of PEDOT derivatives. The band gap of PEDOS-C6 was estimated to be 1.54 eV (805 nm), which is about 0.12 eV higher than for PEDOS. It was observed that polyselenophene derivatives exhibit excellent characteristics for EC applications.
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U2 - 10.1002/adma.200802259
DO - 10.1002/adma.200802259
M3 - Article
VL - 21
SP - 1707
EP - 1711
JO - Advanced Materials
JF - Advanced Materials
SN - 0935-9648
IS - 17
ER -