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المؤلفRaza, Ehsan
المؤلفAsif, Muhammad
المؤلفAziz, Fakhra
المؤلفAzmer, Mohamad Izzat
المؤلفMalika, Haseeb Ashraf
المؤلفThe, Chin-Hoong
المؤلفNajeeb, Mansoor Ani
المؤلفZafar, Qayyum
المؤلفAhmad, Zubair
المؤلفWahab, Fazal
المؤلفDaik, Rusli
المؤلفSarih, Norazilawati Muhamad
المؤلفSupangat, Azzuliani
المؤلفSulaiman, Khaulah
تاريخ الإتاحة2021-04-22T13:00:31Z
تاريخ النشر2016
اسم المنشورSensors and Actuators, B: Chemical
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1016/j.snb.2016.05.071
معرّف المصادر الموحدhttp://hdl.handle.net/10576/18339
الملخصIn this work, we report on the application of a newly synthesized macroporous polythiophene derivative, benzo[b]thiophene end-capped dioctyloxy-benzene(PBObzT2), in the fabrication of a capacitive humidity sensor. The sensor has been fabricated by spin-coating polymer solution in the gap between pre-deposited aluminum electrodes to form a coplanar Al/PBObzT2/Al capacitive humidity sensor. We have also demonstrated how effectively thermal annealing has improved the physical aspects of the active layer and sensing properties of the sensor. The sensor's capacitance is measured against RH variations at different frequencies. Particularly, at an optimum annealing temperature of 75 �C, the sensor exhibits high sensitivity, fast response and low hysteresis. The hydrophobic nature of the polymer makes it highly appropriate to be used in the humidity sensors
راعي المشروعAuthors are thankful to the Ministry of Education, Malaysia , for the financial support under High Impact Research (HIR) grant UM.S/625/3/HIR/MOE/26 with account number UM.0000080/HIR.C3, Fundamental Research Grant Scheme (FRGS) FP046-2015A and University Malaya under University Malaya Research Grant (UMRG) RP007A-13AFR and RP007A/2011A . Fakhra Aziz would like to acknowledge the support of Higher Education Commission (HEC) of Pakistan through Post Doctoral Fellowship. The authors are also grateful to the University Kebangsaan Malaysia (UKM) for providing the research funds through grant FST-06-FRGS0095-2010 . Appendix A
اللغةen
الناشرElsevier B.V.
الموضوعAluminum coatings
Annealing
Humidity sensors
Hysteresis
Morphology
Thiophene
Aluminum electrodes
Annealing temperatures
Benzothiophene
Capacitive humidity sensors
Different frequency
Hydrophobic nature
Polythiophene derivatives
Thermal-annealing
Capacitive sensors
العنوانInfluence of thermal annealing on a capacitive humidity sensor based on newly synthesized macroporous PBObzT2
النوعArticle
الصفحات146-153
رقم المجلد235
dc.accessType Abstract Only


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