Timor natural clay as TiO2 modifier to enhance DSSC efficiency using dye chlorophyll from Leucaena leucocephala (Lam.), chromolaena odorata and lannea coromandelica leaves

3RD INTERNATIONAL CONFERENCE ON CHEMISTRY, CHEMICAL PROCESS AND ENGINEERING (IC3PE) Pub Date : 2021-09-01 DOI:10.1063/5.0062210

O. T. Selan, Anika E. Sari, Arty N. Manafe, Mares J. Nobrihas, A. Ola, Reiner I. Lerrick, Alfius R. Kale

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Abstract

The improvement of dye sensitized solar cell (DSSC) efficiency using clay from Timor to modify TiO2 semiconducting material with chlorophyll dyes as photosensitisers had been conducted. This investigation employed doctor blade method for photoelectrochemical cell design and testing using chlorophyll from three different plant leaves namely Leucaena leucocephala (Lam.), (A), Lannea coromandelica (B) and Cromoleana Odorata (C). Infra-Red, X-Ray Fluorescence and X-Ray Diffraction analysis show that the main chemical compositions of the clay are SiO2 (53%), Fe2O3 (22,2%) and Al2O3 (13%) identified as a typical bentonite clay. We found that the addition of clay onto TiO2 increased the efficiency of cells using these three different source of chlorophylls (A - from 0.0437 to 0.7502%, B - from 1.203 to 1.450% and C - from 0.034 to 0.284%) potential for further purifications or activations and applications.

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Timor天然粘土作为TiO2改性剂，利用白菖蒲(Leucaena leucaea leucocephala, Lam.)、臭菖蒲(chromolaena odorata)和菖蒲(lannea coromandelica)叶片染料叶绿素提高DSSC效率

采用东帝汶粘土改性TiO2半导体材料，以叶绿素染料为光敏剂，提高了染料敏化太阳能电池(DSSC)的效率。采用博士叶片法对三种不同植物Leucaena leucocephala (Lam.)、(A)、Lannea coromandelica (B)和Cromoleana Odorata (C)的叶绿素进行了光电化学电池设计和测试。红外、x射线荧光和x射线衍射分析表明，粘土的主要化学成分为SiO2(53%)、Fe2O3(22.2%)和Al2O3(13%)，为典型的膨润土粘土。我们发现，在TiO2上添加粘土可以提高细胞利用这三种不同叶绿素来源(A -从0.0437到0.7502%，B -从1.203到1.450%，C -从0.034到0.284%)的效率，具有进一步纯化或活化和应用的潜力。

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3RD INTERNATIONAL CONFERENCE ON CHEMISTRY, CHEMICAL PROCESS AND ENGINEERING (IC3PE)

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