Effects of nanodiamonds layer in organic light emitting diode

Guang Liang Ong; Han Yi Tan; Teng Sian Ong; Teck Yong Tou; Chen Hon Nee; Seong Shan Yap

doi:10.1117/12.2665070

9 June 2023 Effects of nanodiamonds layer in organic light emitting diode

Guang Liang Ong, Han Yi Tan, Teng Sian Ong, Teck Yong Tou, Chen Hon Nee, Seong Shan Yap

Proceedings Volume 12584, Smart Materials for Opto-Electronic Applications; 125840F (2023) https://doi.org/10.1117/12.2665070
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Conference Poster

Abstract

Nanodiamonds (NDs) have attracted great interest due to their high refractive index and thermal conductivity. The unique properties of NDs, including high thermal conductivity, chemical stability, and tensile strength, make them a promising candidate for enhancing OLED efficiency. NDs were coated either beneath or above the PEDOT:PSS hole injection layer in a green-emitting OLEDs (ITO/ PEDOT:PSS/NPD/CBP:Ir(ppy)3/TPBi/Liq/Al). The best performance is obtained from the device with NDs layer beneath the PEDOT:PSS layer where the current efficiency (CE) is increased by 5.4%, power efficiency (PE) is increased by 17.7% and the external quantum efficiency (EQE) is increased by 4.5% at a luminance of 10000 cd/m² as compared to a standard device without NDs layer.

Citation Download Citation

Guang Liang Ong, Han Yi Tan, Teng Sian Ong, Teck Yong Tou, Chen Hon Nee, and Seong Shan Yap "Effects of nanodiamonds layer in organic light emitting diode", Proc. SPIE 12584, Smart Materials for Opto-Electronic Applications, 125840F (9 June 2023); https://doi.org/10.1117/12.2665070

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