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Home > Publication > Improvement of N-phthaloylchitosan based gel polymer electrolyte in dye-sensitized solar cells using a binary salt system.

Improvement of N-phthaloylchitosan based gel polymer electrolyte in dye-sensitized solar cells using a binary salt system.

Yusuf SN1, Azzahari AD2, Selvanathan V3, Yahya R4, Careem MA5, Arof AK6.

Carbohydr Polym. 2017 Feb 10;157:938-944. doi: 10.1016/j.carbpol.2016.10.032. Epub 2016 Oct 13.

A binary salt system utilizing lithium iodide (LiI) as the auxiliary component has been introduced to the N-phthaloylchitosan (PhCh) based gel polymer electrolyte consisting of ethylene carbonate (EC), dimethylformamide (DMF), tetrapropylammonium iodide (TPAI), and iodine (I2) in order to improve the performance of dye-sensitized solar cell (DSSC) with efficiency of 6.36%, photocurrent density, JSC of 17.29mAcm-2, open circuit voltage, VOC of 0.59V and fill factor, FF of 0.62. This efficiency value is an improvement from the 5.00% performance obtained by the DSSC consisting of only TPAI single salt system. The presence of the LiI in addition to the TPAI improves the charge injection rates and increases the iodide contribution to the total conductivity and both factors contribute to the increase in efficiency of the DSSC. The interaction behavior between polymer-plasticizer-salt was thoroughly investigated using EIS, FTIR spectroscopy and XRD.Copyright © 2016 Elsevier Ltd. All rights reserved.

Chemicals Used in the Paper:

Catalog Number Product Name Structure CAS Number Price
ACM10377512 Lithium iodide Lithium iodide 10377-51-2 Price
ACM85017807 Lithium iodide hydrate Lithium iodide hydrate 85017-80-7 Price
ACM96491 Ethylene carbonate Ethylene carbonate 96-49-1 Price

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