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White light emission from chemically synthesized ZnO–porous silicon nanocomposite

Year: 2009

Type: article

Abstract: White light emission across the extended visible region of the electromagnetic spectrum from the ZnO–porous silicon (PS) nanocomposite is reported. Nanocrystallites of ZnO were grown inside the spongy structures of PS by the chemical route of sol–gel spin coating. The property of the material arises from versatile interactions among the host structures of PS and ZnO. The origin of the observed extended white light emission from 1.4 to 3.3 eV is discussed by developing a flat band energy diagram.

Source: Journal of Physics D Applied Physics

DOI: 10.1088/0022-3727/42/6/062002

Authors: R G Singh, Fouran Singh, D Kanjilal, V Agarwal, R M Mehra

Institutions: University of Delhi, Inter-University Accelerator Centre, Universidad Autónoma del Estado de México, Universidad Autónoma del Estado de Morelos

Language: English

Topic: Silicon Nanostructures and Photoluminescence

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W1963971001

FWCI: 2.972

Cites: 27

Cited by: 48

Related to: 10