Issue 47, 2021

Effect of high purity molybdenum oxide(vi) on crystal growth and OLED technology

Abstract

The strong influence of MoO3 chemical purity from 99.99 wt% to 99.999 wt% on lithium triborate (LBO) and NaLa(MoO4)2 crystal growth as well as on OLED technologies has been demonstrated. The method of purification of molybdenum trioxide by vacuum sublimation under a controlled partial pressure of oxygen and chemical bonding of residual tungsten has been developed. Numerical simulation of the processing technique allowed the sublimation conditions to be specified and the parameters to be obtained, which defined the optimal yield of the condensed phase. The experimental optimization of the parameters made it possible to purify crystalline α-MoO3 at least up to 99.9993 wt% when 65 elements were detected by inductively coupled plasma mass-spectrometry.

Graphical abstract: Effect of high purity molybdenum oxide(vi) on crystal growth and OLED technology

Supplementary files

Article information

Article type
Paper
Submitted
29 Sept. 2021
Accepted
01 Nov. 2021
First published
01 Nov. 2021

CrystEngComm, 2021,23, 8276-8290

Effect of high purity molybdenum oxide(VI) on crystal growth and OLED technology

A. Khomyakov, E. Sukhanova, E. Mozhevitina, M. Zykova, A. Barkanov, R. Avetisov, A. Yurkin, K. Subbotin, O. Lis and I. Avetissov, CrystEngComm, 2021, 23, 8276 DOI: 10.1039/D1CE01322J

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