Karakteristik I-V Heterokontak TiO2(CuO)/ZnO(TiO2) sebagai Sensor Gas Oksigen

Authors

  • Prima Ade MD Jurusan Fisika, FMIPA, Universitas Andalas
  • Elvaswer Elvaswer Jurusan Fisika, FMIPA, Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.6.1.67-73.2017

Abstract

Telah dilakukan karakterisasi sensor gas oksigen berupa pelet heterokontak, dengan lapisan pertama pelet adalah TiO2 didoping 0% mol, 2% mol, 4% mol, 6% mol, 8% mol, 10% mol CuO dan lapisan kedua pelet adalah 50% mol ZnO dicampur 50% mol TiO2. Proses pembuatan sensor terdiri dari pencampuran bahan, kalsinasi pada temperatur 500oC selama 4 jam, kompaksi, sintering pada temperatur 700oC selama 4 jam. Sensor oksigen diuji pada temperatur ruang (30oC) dengan melihat karakteristik I-V, sensitivitas, konduktivitas, waktu respon dan karakterisasi XRD. Sensitivitas tertinggi dimiliki oleh sampel 98% mol TiO2 + 2% mol CuO/50% mol ZnO + 50% mol TiO2 yaitu 2,48 pada tegangan 25 volt dengan waktu respon 51 detik. Konduktivitas tertingi dimiliki oleh sampel 90% mol TiO2 + 10% mol CuO/50% mol ZnO + 50% mol TiO2 yaitu 2,31 10-3/Ω.m (σ). Hasil XRD menunjukkan ukuran kristal sampel 98% mol TiO2 + 2% mol CuO/50% mol ZnO + 50% mol TiO2 lebih besar dari pada sampel 100% mol TiO2 + 0% mol CuO/50% mol ZnO + 50% mol TiO2. Pada TiO2 yang didoping 2% mol CuO telah terbentuk senyawa baru CuO.TiO2.

 

Kata kunci : Sensor oksigen, TiO2(CuO)/ZnO(TiO2), karakteristik I-V, sensitivitas, konduktivitas, waktu

respon, karakterisasi XRD.

Downloads

Published

2017-01-05

How to Cite

MD, P. A., & Elvaswer, E. (2017). Karakteristik I-V Heterokontak TiO2(CuO)/ZnO(TiO2) sebagai Sensor Gas Oksigen. Jurnal Fisika Unand, 6(1), 67–73. https://doi.org/10.25077/jfu.6.1.67-73.2017

Issue

Vol. 6 No. 1 (2017)

Section

Articles

License

Copyright (c) 2017 Prima Ade MD, Elvaswer Elvaswer

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Please find the rights and licenses in JFU (Jurnal Fisika Unand).

1. License

The non-commercial use of the article will be governed by the Creative Commons Attribution license as currently displayed on Creative Commons Attribution-NonCommercial 4.0 International License.

2. Authors Warranties

The author warrants that the article is original, written by stated author(s), has not been published before, contains no unlawful statements, does not infringe the rights of others, is subject to copyright that is vested exclusively in the author and free of any third party rights, and that any necessary written permissions to quote from other sources have been obtained by the author(s).

3. User Rights

JFU's spirit is to disseminate articles published are as free as possible. Under the Creative Commons license, JFU permits users to copy, distribute, display, and perform the work for non-commercial purposes only. Users will also need to attribute authors and JFU on distributing works in the journal.

4. Rights of Authors

Authors retain the following rights:

  • Copyright, and other proprietary rights relating to the article, such as patent rights,
  • The right to use the substance of the article in future own works, including lectures and books,
  • The right to reproduce the article for own purposes, provided the copies are not offered for sale,
  • The right to self-archive the article.

5. Co-Authorship

If the article was jointly prepared by other authors, the signatory of this form warrants that he/she has been authorized by all co-authors to sign this agreement on their behalf, and agrees to inform his/her co-authors of the terms of this agreement.

6. Termination

This agreement can be terminated by the author or JFU upon two months notice where the other party has materially breached this agreement and failed to remedy such breach within a month of being given the terminating partys notice requesting such breach to be remedied. No breach or violation of this agreement will cause this agreement or any license granted in it to terminate automatically or affect the definition of JFU.

7. Royalties

This agreement entitles the author to no royalties or other fees. To such extent as legally permissible, the author waives his or her right to collect royalties relative to the article in respect of any use of the article by JFU or its sublicensee.

8. Miscellaneous

JFU will publish the article (or have it published) in the journal if the articles editorial process is successfully completed and JFU or its sublicensee has become obligated to have the article published. JFU may conform the article to a style of punctuation, spelling, capitalization, referencing and usage that it deems appropriate. The author acknowledges that the article may be published so that it will be publicly accessible and such access will be free of charge for the readers.