Nanocrystalline ZnO Flakes for Photovoltaic Device Applications

被引：10

作者：

Al-Heniti, S. ^{[3
]}

Umar, Ahmad ^{[1
,2
]}

Singh, Pragya ^{[4
]}

Sayari, A. ^{[5
]}

Al-Hajry, A. ^{[2
,6
]}

Al-Ghamdi, A. A. ^{[3
]}

机构：

[1] Najran Univ, Dept Chem, Fac Sci, Adv Mat & Nanoengn Lab AMNEL, Najran 11001, Saudi Arabia

[2] Najran Univ, Ctr Adv Mat & Nanoengn CAMNE, Fac Sci, Adv Mat & Nanoengn Lab AMNEL, Najran 11001, Saudi Arabia

[3] King Abdulaziz Univ, Fac Sci, Dept Phys, Jeddah, Saudi Arabia

[4] Meerut Inst Engn & Technol, Dept Elect & Commun Engn, Meerut 250002, Uttar Pradesh, India

[5] King Abdulaziz Univ, Fac Educ, Dept Sci, Jeddah 21454, Saudi Arabia

[6] Najran Univ, Dept Phys, Fac Sci, Najran 11001, Saudi Arabia

来源：

ADVANCED SCIENCE LETTERS | 2010年 / 3卷 / 04期

关键词：

SENSITIZED SOLAR-CELLS; GROWTH; NANOWIRES; NANOSTRUCTURES; NANOPARTICLES; NANOSHEETS; SI;

D O I：

10.1166/asl.2010.1183

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Nanocrystalline ZnO flakes were synthesized via solution process using zinc acetate and diethylamine under refluxing at 85 degrees C for 4 hrs. The crystalline and wurtzite hexagonal phase of the synthesized ZnO flakes were characterized by UV-visible, FTIR and Raman-scattering. For the photovoltaic device applications, the ZnO flakes were used as photo-anode materials to fabricate dye-sensitized solar cells (DSSCs). The fabricated DSSC exhibited an overall light to electricity conversion efficiency (eta) of 0.99%. A short-circuit current (J(sc)) of 2.33 mA/cm(2), open-circuit voltage (V-oc) of 0.670 V and fill factor (FE) of 0.59, was achieved from the fabricated nanocrystalline ZnO flakes based DSSCs.

引用

页码：543 / 547

页数：5

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