Schottky junction based solar cell behavior of trichome hierarchical SnO2 nano-structures

被引：0

作者：

Mallik, G. ^{[1
]}

Kabiraj, A. ^{[1
]}

Dash, P. P. ^{[1
]}

Kumari, P. ^{[1
]}

Sahoo, P. K. ^{[2
]}

Sahoo, Utkalika P. ^{[2
]}

Rath, S. ^{[1
]}

机构：

[1] Indian Inst Technol Bhubaneswar, Sch Basic Sci, Nanostruct & Soft Matter Phys Lab, Jatni 752050, Odisha, India

[2] Natl Inst Sci Educ & Res NISER, Sch Phys Sci, OCC Homi Bhabha Natl Inst, Jatni 752050, Odisha, India

来源：

OPTICAL MATERIALS | 2023年 / 144卷

关键词：

Tin dioxide (SnO 2 ); Trichome nano-flowers; Hierarchical nano-structures; Optical properties; Schottky junction; Solar cell; X-RAY; RAMAN; PHOTOLUMINESCENCE; SHIFT; NANOPARTICLES; PARAMETERS; SCATTERING; NANORODS; DESIGN; GROWTH;

D O I：

10.1016/j.optmat.2023.114306

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hydrothermally grown SnO2 hierarchical trichome nano-flowers (T-NFLs) have been examined for their device performance compared to nano-flakes (NFs), in part to meet the growing need for metal-oxide based solar cells. The structural analyses reveal superior lattice strain and free energy in the tetragonal phase of the T-NFLs over NFs. The band gap widening and oxygen defect-dominated luminescence in the visible range are observed from photoluminescence measurements. Compared to NFs, the Schottky current-voltage characteristics of the T-NFLs show improved Schottky barrier height (0.82 eV) with an ideality factor of 3.52 under dark and better solar cell properties with a conversion efficiency of 1.78 +/- 0.03% under 1 sun illumination. The observed high open-circuit voltage of 1.56 V resulted from the decrement rate of carrier recombination, making the transparent metal oxide nano-material SnO2 T-NFLs suitable for solar cells and fast electronic applications.

引用

页数：9