Exploring High-Dimensional Data Space: Identifying Optimal Process Conditions in Photovoltaics

Changwon Suh, David Biagioni, Stephen Glynn, John Scharf, Miguel A. Contreras, Rommel Noufi, Wesley B. Jones

Research output: Contribution to conferencePaperpeer-review

3 Scopus Citations

Abstract

We demonstrate how advanced exploratory data analysis coupled to data-mining techniques can be used to scrutinize the high-dimensional data space of photovoltaics in the context of thin films of Al-doped ZnO (AZO), which are essential materials as a transparent conducting oxide (TCO) layer in CuIn xGa 1-xSe 2 (CIGS) solar cells. AZO data space, wherein each sample is synthesized from a different process history and assessed with various characterizations, is transformed, reorganized, and visualized in order to extract optimal process conditions. The data-analysis methods used include parallel coordinates, diffusion maps, and hierarchical agglomerative clustering algorithms combined with diffusion map embedding.

Original languageAmerican English
Pages762-767
Number of pages6
DOIs
StatePublished - 2011
Event37th IEEE Photovoltaic Specialists Conference, PVSC 2011 - Seattle, WA, United States
Duration: 19 Jun 201124 Jun 2011

Conference

Conference37th IEEE Photovoltaic Specialists Conference, PVSC 2011
Country/TerritoryUnited States
CitySeattle, WA
Period19/06/1124/06/11

Bibliographical note

See NREL/CP-2C00-50693 for preprint

NREL Publication Number

  • NREL/CP-2C00-55762

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