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RISS 인기검색어
- 검색키워드
- 저자 : R.R. Ahire (검색결과 2 건)
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R.R. Ahire,Abhay A. Sagade,S.D. Chavhan,V. Huse,F. Singh,D.K. Avasthi,D.M. Phase,Ramphal Sharma 한국물리학회 2009 Current Applied Physics Vol.9 No.3
Modified chemical bath deposited (MCBD) bismuth sulphide (Bi2S3) thin films’ structural, optical and electrical properties are engineered separately by annealing in air for 1 h at 300 ℃ and irradiating with 100 MeV Au swift heavy ions (SHI) at 5 × 1012 ions/㎠ fluence. It is observed that the band gap of the films gets red shifted after annealing and irradiation from pristine (as deposited) films. In addition, there is an increase in the grain size of the films due to both annealing and irradiation, leading to the decrease in resistivity and increase in thermoemf of the films. These results were explained in the light of thermal spike model. Modified chemical bath deposited (MCBD) bismuth sulphide (Bi2S3) thin films’ structural, optical and electrical properties are engineered separately by annealing in air for 1 h at 300 ℃ and irradiating with 100 MeV Au swift heavy ions (SHI) at 5 × 1012 ions/㎠ fluence. It is observed that the band gap of the films gets red shifted after annealing and irradiation from pristine (as deposited) films. In addition, there is an increase in the grain size of the films due to both annealing and irradiation, leading to the decrease in resistivity and increase in thermoemf of the films. These results were explained in the light of thermal spike model.
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PEDOT:PSS shell on CdS nanowires: Room temperature LPG sensor
Sonawane, N.B.,Ahire, R.R.,Gurav, K.V.,Kim, J.H.,Sankapal, B.R. Elsevier Sequoia 2014 JOURNAL OF ALLOYS AND COMPOUNDS Vol.592 No.-
Nanoheterojunctions between p-PEDOT:PSS and n-CdS were fabricated by using simple chemical method at room temperature (27<SUP>o</SUP>C) on fluorine doped tin oxide (FTO) coated glass substrate. The thin layer of commercially available poly (3, 4-ethylenedioxythiophene: poly (styrene sulfonic acid)) (PEDOT:PSS) shell was formed on CdS nanowires by dip-coating method. This formed nanoheterojunction was used as liquefied petroleum gas (LPG) sensor at room temperature. The formed nanoheterojunction network with porous and high surface area enables enough space to adsorb and de-adsorb gas molecules easily and showed the gas response of 58.9% under the exposure of LPG (900ppm). The results demonstrate that the shell configuration of p-PEDOT:PSS on n-CdS nanowires to form nanoheterojunction which provides a facile and compatible frame for the potential applications as a LPG sensors which can operate at room temperature.
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