Correlation between photoluminescence and oxygen vacancies in ZnO phosphors

被引：5

作者：

Vanheusden, K

Seager, CH

Warren, WL

Tallant, DR

Voigt, JA

机构：

来源：

APPLIED PHYSICS LETTERS | 1996年 / 68卷 / 03期

关键词：

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

By combining electron paramagnetic resonance (EPR), optical absorption, and photoluminescence (PL) spectroscopy, a strong correlation is observed between the green 510 nm emission, the free-carrier concentration, and the density of singly ionized oxygen vacancies in commercial ZnO phosphor powders. From these results, we demonstrate that free-carrier depletion at the particle surface, and its effect on the ionization state of the oxygen vacancy, can strongly impact the green emission intensity. The relevance of these observations with respect to low-voltage field emission displays is discussed. (C) 1996 American Institute of Physics.

引用

收藏

页码：403 / 405

页数：3

相关论文

共 18 条

[1] SURFACE EFFECTS ON LOW-ENERGY CATHODOLUMINESCENCE OF ZINC-OXIDE [J].

BYLANDER, EG .

JOURNAL OF APPLIED PHYSICS, 1978, 49 (03) :1188-1195

[2] LUMINESCENT TRANSITIONS ASSOCIATED WITH DIVALENT COPPER IMPURITIES AND GREEN EMISSION FROM SEMICONDUCTING ZINC OXIDE [J].

DINGLE, R .

PHYSICAL REVIEW LETTERS, 1969, 23 (11) :579-&

[3] SEALED VACUUM DEVICES - FLUORESCENT MICROTIP DISPLAYS [J].

GHIS, A ;

MEYER, R ;

RAMBAUD, P ;

LEVY, F ;

LEROUX, T .

IEEE TRANSACTIONS ON ELECTRON DEVICES, 1991, 38 (10) :2320-2322

[4] ZUR GRUNEN LUMINESZENZ DES ZINKOXYDS .I. THERMOLUMINESZENZ [J].

HAHN, D ;

NINK, R .

PHYSIK DER KONDENSITERTEN MATERIE, 1965, 3 (04) :311-+

[5] ELECTRON-SPIN RESONANCE OF LATTICE-DEFECTS IN ZINC-OXIDE [J].

HOFFMANN, K ;

HAHN, D .

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1974, 24 (02) :637-648

[6] PHOTOTHERMAL DEFLECTION SPECTROSCOPY AND DETECTION [J].

JACKSON, WB ;

AMER, NM ;

BOCCARA, AC ;

FOURNIER, D .

APPLIED OPTICS, 1981, 20 (08) :1333-1344

[7] ELECTRON SPIN RESONANCE STUDIES OF DONORS AND ACCEPTORS IN ZNO [J].

KASAI, PH .

PHYSICAL REVIEW, 1963, 130 (03) :989-&

[8]

KROGER FA, 1954, J CHEM PHYS, V22, P250

[9] POINT-DEFECTS AND LUMINESCENCE-CENTERS IN ZINC-OXIDE AND ZINC-OXIDE DOPED WITH MANGANESE [J].

LIU, M ;

KITAI, AH ;

MASCHER, P .

JOURNAL OF LUMINESCENCE, 1992, 54 (01) :35-42

[10] INTRINSIC DEFECTS IN ZNO VARISTORS [J].

MAHAN, GD .

JOURNAL OF APPLIED PHYSICS, 1983, 54 (07) :3825-3832