Light-induced electrochemical performance of 3D-CdS nanonetwork: Effect of annealing

被引：36
作者：
Majumder, Sutripto [1 ]
Baviskar, Prashant K. [2 ]
Sankapal, Babasaheb R. [1 ]
机构：
[1] Visvesvaraya Natl Inst Technol, Dept Appl Phys, Nano Mat & Device Lab, South Ambazari Rd, Nagpur 440010, Maharashtra, India
[2] North Maharashtra Univ, Sch Phys Sci, Dept Phys, Jalgaon 425001, MS, India
来源：
ELECTROCHIMICA ACTA | 2016年 / 222卷
关键词：
CdS nanowires; annealing temperature; electrochemical studies; SENSITIZED SOLAR-CELL; THIN-FILM ELECTRODES; CHEMICAL BATH DEPOSITION; CDS FILMS; PHOTOLUMINESCENCE PROPERTIES; SPRAY-PYROLYSIS; NANOWIRE ARRAYS; QUANTUM DOTS; DYE; ARCHITECTURE;
D O I：
10.1016/j.electacta.2016.10.147
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Present investigation focused on the fundamental understanding regarding the tailoring of photovoltaic (PV) device efficiency of 3D-CdS nanonetwork through annealing with the aid of electrochemical studies. The synthesis of CdS nanowires (NWs) have been performed using Cd(OH)(2) NWs as intermediate sacrificial templates based on negative free energy of formation. The changes in structure, morphology and optical properties of CdS by annealing have been studied. The enhancement in crystallite size by annealing was correlated to the negative shift of the conduction band position, charge transport and electron life time towards PV performance. These have been performed by studying lattice parameters which in turn correlated to the capacitance, external quantum efficiency and impedance analysis through light-induced electrochemical studies. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：100 / 107
页数：8
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