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author:

Qi, Kezhen (Qi, Kezhen.) [1] | Liu, Shu-yuan (Liu, Shu-yuan.) [2] | Chen, Yuan (Chen, Yuan.) [3] | Xia, Boshu (Xia, Boshu.) [4] | Li, Guo-Dong (Li, Guo-Dong.) [5]

Indexed by:

EI Scopus SCIE

Abstract:

Dye-sensitized solar cells (DSSCs) are performed using C3N4 post-treated TiO2 particles as photoanode materials. The photoanode materials were synthesized via a simple method by which a thin layer of C3N4 was coated onto the surface of TiO2 particles after the TiO2 was dipped in urea solution followed by calcination properly. The experimental results show that the photoelectric conversion efficiency of the TiO2 DSSCs is remarkably improved. The measurements of I-V characteristic along with the analysis of electrochemical impedance spectroscopy indicate that the C3N4 layer can expand the visible light absorption, suppress the recombination reaction of the e(-)-h(+) pair and increase both the open circuit voltage and the short-circuit photocurrent density. The mechanism of the improved performance of TiO2 DSSCs by C3N4 coating coating is proposed. The post-treatment method recorded in this work can be easily operated and achieve an enhanced photoelectric performance of DSSCs.

Keyword:

C3N4 Dye-sensitized solar cells (DSSCs) Post-treatment TiO2

Community:

  • [ 1 ] [Qi, Kezhen]Shenyang Normal Univ, Inst Catalysis Energy & Environm, Coll Chem & Chem Engn, Shenyang 110034, Liaoning, Peoples R China
  • [ 2 ] [Qi, Kezhen]Nankai Univ, Key Lab Adv Energy Mat Chem, Minist Educ, Tianjin 300071, Peoples R China
  • [ 3 ] [Qi, Kezhen]Fuzhou Univ, State Key Lab Photocatalysis Energy & Environment, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Liu, Shu-yuan]Shenyang Med Coll, Dept Pharmacol, Shenyang 110034, Liaoning, Peoples R China
  • [ 5 ] [Chen, Yuan]Yulin Normal Univ, Coll Chem & Food Sci, Yulin 537000, Peoples R China
  • [ 6 ] [Xia, Boshu]Shenyang Normal Univ, Res Adm Off, Shenyang 110034, Liaoning, Peoples R China
  • [ 7 ] [Li, Guo-Dong]Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Coll Chem, Changchun 130012, Jilin, Peoples R China

Reprint 's Address:

  • [Liu, Shu-yuan]Shenyang Med Coll, Dept Pharmacol, Shenyang 110034, Liaoning, Peoples R China

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Source :

SOLAR ENERGY MATERIALS AND SOLAR CELLS

ISSN: 0927-0248

Year: 2018

Volume: 183

Page: 193-199

6 . 0 1 9

JCR@2018

6 . 3 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:284

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 59

SCOPUS Cited Count: 63

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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