Investigation of CuInSe2 thin films deposited by laser ablation method

被引：4

作者：

Rawat, Kusum ^{[1
,2
]}

Manisha, Chhikara ^{[3
]}

Shishodia, Prem K. ^{[1
]}

机构：

[1] Univ Delhi, Zakir Husain Delhi Coll, Dept Elect, New Delhi, India

[2] Univ Delhi, Dept Elect Sci, New Delhi, India

[3] Amity Univ, Dept Appl Phys, Manesar, Haryana, India

来源：

EMERGING MATERIALS RESEARCH | 2016年 / 5卷 / 02期

关键词：

Raman spectroscopy; structural properties; thin films; OPTICAL-PROPERTIES; SELENIZATION;

D O I：

10.1680/jemmr.15.00045

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Chalcopyrite copper indium diselenide (CuInSe2) thin films have been deposited on Corning 7059 glass substrates by pulsed laser ablation method. Structural and optical properties of thin films deposited under pressure conditions, varying from 10(-3) to 10(-6) Torr, have been investigated. The X-ray diffraction spectra revealed the chalcopyrite tetragonal structure of copper indium diselenide with (112), (220) and (312) orientations. The films were found to be highly polycrystalline in nature, which was further improved along the (112) orientation with a decrease in pressure. Lattice strain and dislocation densities in the films were also estimated using the broadening of diffraction peaks. The Raman spectra show a strong peak at 170 cm(-1), corresponding to the dominant A1 vibrational mode of copper indium diselenide, and shift towards 174 cm(-1) with decreasing pressure. The optical transmittance of the films was measured in the wavelength range of 300-2200 nm. The optical bandgap of the films was found to be in the range of 1.05-1.3 eV using Tauc's plot. The Urbach energy calculations suggest a decrease in the degree of disorder in the films deposited at low pressure.

引用

页码：259 / 263

页数：5

共 15 条

[1] Improvement of the optical properties of electrodeposited CuInSe2 thin films by thermal and chemical treatments [J].

Guillen, C ;

Herrero, J .

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 1996, 43 (01) :47-57

[2] Characterization of RF reactively sputtered Cu-In-S thin films [J].

He, YB ;

Polity, A ;

Gregor, R ;

Pfisterer, D ;

Österreicher, I ;

Hasselkamp, D ;

Meyer, BK .

PHYSICA B-CONDENSED MATTER, 2001, 308 :1074-1077

[3] Annealing effects of CuInSe2 films prepared by pulsed laser deposition [J].

Kuranouchi, S ;

Yoshida, A .

THIN SOLID FILMS, 1999, 343 :123-126

[4] Structural and optical properties of PbSe nanostructure thin films prepared by inert gas condensation [J].

Mandy, Manal A. ;

Mandy, Iman A. ;

Mahmoud, E. A. .

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2014, 59 :117-123

[5]

Raheb MB, 2014, ENERGY PROCEDIA, V44, P52

[6] (112) and (220)/(204)-oriented CuInSe2 thin films grown by co-evaporation under vacuum [J].

Ruffenach, Sandra ;

Robin, Yoann ;

Moret, Matthieu ;

Aulombard, Roger-Louis ;

Briot, Olivier .

THIN SOLID FILMS, 2013, 535 :143-147

[7] Structural, electrical, and optical properties of copper indium diselenide thin film prepared by thermal evaporation method [J].

Shah, N. M. ;

Ray, J. R. ;

Patel, K. J. ;

Kheraj, V. A. ;

Desai, M. S. ;

Panchal, C. J. ;

Rehani, Bharti .

THIN SOLID FILMS, 2009, 517 (13) :3639-3644

[8] Raman spectra of CuInSe2 thin films prepared by chemical spray pyrolysis [J].

Shirakata, S ;

Kubo, H ;

Hamaguchi, C ;

Isomura, S .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1997, 36 (10B) :L1394-L1396

[9] OPTICAL PROPERTIES AND ELECTRONIC STRUCTURE OF AMORPHOUS GERMANIUM [J].

TAUC, J ;

GRIGOROVICI, R ;

VANCU, A .

PHYSICA STATUS SOLIDI, 1966, 15 (02) :627-+

[10] CuInSe2 thin films deposited by UV laser ablation [J].

Tverjanovich, A. ;

Borisov, E. N. ;

Vasilieva, E. S. ;

Tolochko, O. V. ;

Vahhi, I. E. ;

Bereznev, S. ;

Tveryanovich, Yu. S. .

SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2006, 90 (20) :3624-3632

← 1 2 →