Indium doped Cd1-xZnxO alloys as wide window transparent conductors

Zhu, Wei; Yu, Kin Man; Walukiewicz, W.

doi:10.1016/j.tsf.2015.11.052

Title: Indium doped Cd1-xZnxO alloys as wide window transparent conductors

Journal Article · Tue Dec 01 00:00:00 EST 2015 · Thin Solid Films

DOI:https://doi.org/10.1016/j.tsf.2015.11.052· OSTI ID:1579813

Zhu, Wei ^[1]; Yu, Kin Man ^[2]; Walukiewicz, W. ^[3]

Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division; Univ. of Science and Technology of China, Hefei, Anhui (China)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division; City Univ. of Hong Kong, Kowloon (Hong Kong)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Materials Sciences Division

We have synthesized Indium doped Cd_1-xZn_xO alloys across the full composition range using magnetron sputtering method. The crystallographic structure of these alloys changes from rocksalt (RS) to wurtzite (WZ) when the Zn content is higher than 30%. The rocksalt phase alloys in the composition range 0 < x < 0.3 can be efficiently n-type doped, shifting the absorption edge to 3.25 eV and reducing resistivity to about 2.0 × 10^-4 Ω-cm. Here, we found that In doped CdO (ICO) transmits more solar photons than commercial fluorine doped tin oxide (FTO) with comparable sheet conductivity. The infrared transmittance is further extended to longer than 1500 nm wavelengths by depositing the In doped Cd_1-xZn_xO in ~ 1% of O₂. This material has a potential for applications as a transparent conductor for silicon and multi-junction solar cells.

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Research Organization:: Stanford Univ., CA (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office

Grant/Contract Number:: EE0004946

OSTI ID:: 1579813

Alternate ID(s):: OSTI ID: 1359946

Journal Information:: Thin Solid Films, Vol. 597, Issue C; ISSN 0040-6090

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 5 works

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References (15)

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Effects of oxygen stoichiometry on the phase stability of sputter-deposited $C d_{x} Z n_{1 - x} O$ alloys Ho, Chun Yuen; Liu, Chao Ping; Chen, Yi-Chun Physical Review Materials, Vol. 3, Issue 7 https://doi.org/10.1103/physrevmaterials.3.074605	journal	July 2019

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36 MATERIALS SCIENCE
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