Skip to content

Research at St Andrews

Dye-sensitized solar cells: investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine

Research output: Contribution to journalArticlepeer-review

Standard

Dye-sensitized solar cells : investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine. / Knyazeva, Ekaterina A.; Wu, Wenjun; Chmovzh, Timofey N.; Robertson, Neil; Woollins, J. Derek; Rakitin, Oleg A.

In: Solar Energy, Vol. 144, 01.03.2017, p. 134-143.

Research output: Contribution to journalArticlepeer-review

Harvard

Knyazeva, EA, Wu, W, Chmovzh, TN, Robertson, N, Woollins, JD & Rakitin, OA 2017, 'Dye-sensitized solar cells: investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine', Solar Energy, vol. 144, pp. 134-143. https://doi.org/10.1016/j.solener.2017.01.016

APA

Knyazeva, E. A., Wu, W., Chmovzh, T. N., Robertson, N., Woollins, J. D., & Rakitin, O. A. (2017). Dye-sensitized solar cells: investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine. Solar Energy, 144, 134-143. https://doi.org/10.1016/j.solener.2017.01.016

Vancouver

Knyazeva EA, Wu W, Chmovzh TN, Robertson N, Woollins JD, Rakitin OA. Dye-sensitized solar cells: investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine. Solar Energy. 2017 Mar 1;144:134-143. https://doi.org/10.1016/j.solener.2017.01.016

Author

Knyazeva, Ekaterina A. ; Wu, Wenjun ; Chmovzh, Timofey N. ; Robertson, Neil ; Woollins, J. Derek ; Rakitin, Oleg A. / Dye-sensitized solar cells : investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine. In: Solar Energy. 2017 ; Vol. 144. pp. 134-143.

Bibtex - Download

@article{1063535855ec46aeb45fa49c3570b77f,
title = "Dye-sensitized solar cells: investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine",
abstract = "We report two series of D-A-π-A metal-free organic sensitizers for dye-sensitized solar cells (DSSCs) based on triphenylamine and N-hexyl-carbazole as electronic donors, respectively. Through varying auxiliary acceptors and π-spacers, several significant consequences on cell efficiency were identified: (i) a broadened UV-Vis absorption spectrum and low-lying LUMO level with [1,2,5]selenadiazolo [3,4-c] pyridine as auxiliary acceptor; (ii) compensation for the absorption valley around 400 nm in the UV-vis spectra by the introduction of a thiophene unit into the π-bridge; (iii) effective improvement of the power conversion efficiency (PCE) by means of cosensitization, leading to dye OKT-1, 3.10% PCE, increased to 4.19% with squaraine dye SQ2 as co-sensitizer. The design criteria identified have opened the door for further optimization of this new dye family. ",
keywords = "Dye-sensitized solar cells, [1,2,5]Selenadiazolo[3,4-c] pyridine, Power conversion efficiency, Co-sensitizer",
author = "Knyazeva, {Ekaterina A.} and Wenjun Wu and Chmovzh, {Timofey N.} and Neil Robertson and Woollins, {J. Derek} and Rakitin, {Oleg A.}",
note = "The authors gratefully acknowledge financial support from the Russian Science Foundation (grant no. 15-13-10022). Wenjun Wu thanks the Scientific Committee of Shanghai (14ZR1409700) for financial support. The authors thank the Leverhulme Trust for an International Network grant.",
year = "2017",
month = mar,
day = "1",
doi = "10.1016/j.solener.2017.01.016",
language = "English",
volume = "144",
pages = "134--143",
journal = "Solar Energy",
issn = "0038-092X",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Dye-sensitized solar cells

T2 - investigation of D-A-π-A organic sensitizers based on [1,2,5]selenadiazolo[3,4-c]pyridine

AU - Knyazeva, Ekaterina A.

AU - Wu, Wenjun

AU - Chmovzh, Timofey N.

AU - Robertson, Neil

AU - Woollins, J. Derek

AU - Rakitin, Oleg A.

N1 - The authors gratefully acknowledge financial support from the Russian Science Foundation (grant no. 15-13-10022). Wenjun Wu thanks the Scientific Committee of Shanghai (14ZR1409700) for financial support. The authors thank the Leverhulme Trust for an International Network grant.

PY - 2017/3/1

Y1 - 2017/3/1

N2 - We report two series of D-A-π-A metal-free organic sensitizers for dye-sensitized solar cells (DSSCs) based on triphenylamine and N-hexyl-carbazole as electronic donors, respectively. Through varying auxiliary acceptors and π-spacers, several significant consequences on cell efficiency were identified: (i) a broadened UV-Vis absorption spectrum and low-lying LUMO level with [1,2,5]selenadiazolo [3,4-c] pyridine as auxiliary acceptor; (ii) compensation for the absorption valley around 400 nm in the UV-vis spectra by the introduction of a thiophene unit into the π-bridge; (iii) effective improvement of the power conversion efficiency (PCE) by means of cosensitization, leading to dye OKT-1, 3.10% PCE, increased to 4.19% with squaraine dye SQ2 as co-sensitizer. The design criteria identified have opened the door for further optimization of this new dye family.

AB - We report two series of D-A-π-A metal-free organic sensitizers for dye-sensitized solar cells (DSSCs) based on triphenylamine and N-hexyl-carbazole as electronic donors, respectively. Through varying auxiliary acceptors and π-spacers, several significant consequences on cell efficiency were identified: (i) a broadened UV-Vis absorption spectrum and low-lying LUMO level with [1,2,5]selenadiazolo [3,4-c] pyridine as auxiliary acceptor; (ii) compensation for the absorption valley around 400 nm in the UV-vis spectra by the introduction of a thiophene unit into the π-bridge; (iii) effective improvement of the power conversion efficiency (PCE) by means of cosensitization, leading to dye OKT-1, 3.10% PCE, increased to 4.19% with squaraine dye SQ2 as co-sensitizer. The design criteria identified have opened the door for further optimization of this new dye family.

KW - Dye-sensitized solar cells

KW - [1,2,5]Selenadiazolo[3,4-c] pyridine

KW - Power conversion efficiency

KW - Co-sensitizer

U2 - 10.1016/j.solener.2017.01.016

DO - 10.1016/j.solener.2017.01.016

M3 - Article

VL - 144

SP - 134

EP - 143

JO - Solar Energy

JF - Solar Energy

SN - 0038-092X

ER -

Related by author

  1. Bridging (thionylimido)metal complexes

    McGeachie, L. J. R., Buehl, M., Cordes, D. B., Slawin, A. M. Z. & Woollins, J. D., 27 May 2021, (E-pub ahead of print) In: Inorganic Chemistry. Articles ASAP, 5 p.

    Research output: Contribution to journalArticlepeer-review

  2. Synthesis and single crystal structures of N-substituted benzamides and their chemoselective selenation/reduction derivatives

    Hua, G., Carpenter-Warren, C. L., Cordes, D. B., Slawin, A. M. Z. & Woollins, J. D., 19 Apr 2021, In: Molecules. 26, 8, 10 p., 2367.

    Research output: Contribution to journalArticlepeer-review

  3. Organo phosphorus-sulfur-nitrogen heterocycles from thionation of Schiff bases

    Hua, G., Cordes, D. B., Slawin, A. M. Z. & Woollins, J. D., 24 Feb 2021, In: Zeitschrift für Anorganische und Allgemeine Chemie. 647, 4, p. 239-244 7 p.

    Research output: Contribution to journalArticlepeer-review

  4. Candle light-style OLEDs with benzochalcogenadiazoles cores

    Korshunov, V. M., Chmovzh, T. N., Golovanov, I. S., Knyazeva, E. A., Mikhalchenko, L. V., Saifutyarov, R. S., Avetisov, I. C., Woollins, J. D., Taydakov, I. V. & Rakitin, O. A., Feb 2021, In: Dyes and Pigments. 185, A, 108917.

    Research output: Contribution to journalArticlepeer-review

  5. Thionylimido complexes

    McGeachie, L. J. R., Carpenter-Warren, C. L., Cordes, D. B., Buehl, M., Gray, S. J., Hua, G., Slawin, A. M. Z. & Woollins, J. D., 27 Nov 2020, In: Zeitschrift für Anorganische und Allgemeine Chemie. 646, 22, p. 1795-1798 5 p.

    Research output: Contribution to journalArticlepeer-review

Related by journal

  1. Solar energy fixation of carbon dioxide via cadmium sulphide and other semiconductor photocatalysts

    Irvine, J. T. S., EGGINS, BR. & GRIMSHAW, J., 1990, In: Solar Energy. 45, 1, p. 27-33 7 p.

    Research output: Contribution to journalArticlepeer-review

ID: 248757311

Top