Rare Earth Element Doped ZnO Thin Films and Applications

Year 2021, Volume: 7 Issue: 2, 305 - 313, 20.07.2021

Yeliz İpek , Nagihan Karaaslan Ayhan

https://doi.org/10.29132/ijpas.944792

Cited By: 2

Abstract

In this review, general information has been given about the recent studies on thin film coating techniques, zinc oxide (ZnO) thin films and zinc oxide films doped with rare earth elements (REE). As a thin film coating method, the sol‒gel method is widely used due to its economical nature. However, it has been seen that the magnteron sputter technique is also very popular due to its ease of application. Zinc oxide is a semiconductor with a wide band gap and is easy to produce and to supply. In addition, it does not have negative effects on the environment and human health. All these properties have led to intensive studies on zinc oxide. Due to its optical and electrical properties, it has found many different uses such as solar cells, light emitting diodes, gas sensors and flat panel displays. Recently, various studies have been carried out to improve the properties of zinc oxide and to create new areas of use by doping with rare earth elements.

Keywords

Rare earth element, REE‒doped, thin film, coating, ZnO

Supporting Institution

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Project Number

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Thanks

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Nadir Toprak Elementleri Katkılı ZnO İnce Filmler ve Uygulamaları

Abstract

Bu derleme çalışmasında ince film kaplama teknikleri, çinko oksit ince filmler ve nadir toprak elementleri (NTE) katkılandırılmış çinko oksit (ZnO) filmler konusunda son yıllarda yapılan çalışmalar hakkında genel bilgilendirme yapılmıştır. İnce film kaplama metodu olarak, sol‒jel metodu ekonomik olması nedeniyle yaygın olarak kullanılmaktadır. Bununla birlikte magnteron sputter tekniğinin de uygulama kolaylığı nedeniyle oldukça popüler olduğu görülmüştür. Çinko oksit geniş bant aralığına sahip bir yarıiletkendir ve hem üretimi hem de temin edilmesi kolay bir malzemedir. Bunun yanında çevre ve insan sağlığı üzerinde olumsuz etkileri bulunmamaktadır. Bütün bu özellikleri çinko oksit üzerinde yoğun çalışmalar yapılmasına yol açmıştır. Optik ve elektriksel özellikleri nedeniyle, güneş pilleri, ışık yayan diyotlar, gaz sensörleri ve düz panel ekranlar gibi çok farklı kullanım alanları bulmuştur. Son zamanlarda, nadir toprak elementleri katkılandırma yapılarak çinko oksitin özelliklerini daha da üstün bir konuma getirme ve yeni kullanım alanları oluşturmak için çeşitli çalışmalar yapılmaktadır.

Keywords

Nadir toprak elementi, NTE‒katkılı, ince film, kaplama, ZnO

Project Number

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