02439nas a2200289   4500008004100000022001400041245015200055210006900207260000800276300001400284490000700298520144800305653001901753653002001772653002201792653002701814100002301841700001701864700002201881700001701903700002201920700002101942700001801963700001701981700002401998856012702022       2023                        eng d  a0272-884200aPd loaded bismuth ferrite: a versatile perovskite for dual applications as acetone gas sensor and photocatalytic dye degradation of malachite green0 aPd loaded bismuth ferrite a versatile perovskite for dual applic  cFEB  a5738-57470 v493 a<p>Herein we report the palladium loaded bismuth ferrite for its bidirectional application as acetone gas sensor and photocatalytic dye degradation of malachite green. The motivation for loading Pd on bismuth ferrite (BFO) is due to its fascinating catalytic redox reactions causing faster adsorption and desorption of the oxygen molecules over the metal oxide. The planned perovskites were developed via surfactant assisted sol-gel auto-combustion route, and characterized their physico-chemical properties using XRD, SEM, TEM, HRTEM, EDAX, XPS and BET. The developed BFO showed the best selectivity towards acetone, whose response was 69% at 300 degrees C operating temperature for 500 ppm gas concentration. By tuning the surface area and catalytic behavior using CTAB and Pd loading, respectively, the enhancement in the gas response properties of BFO was achieved to 95% with the response and recovery time of 75 s and 104 s. The 1 wt% Pd loaded BFO showed the highest response (95%) in comparison to rest of the Pd loadings (0.5, 1.5 and 2.0 wt%). Moreover, the sunlight driven photocatalytic dye degradation of malachite green is carried out at 1 h exposure time. Here as well, 1 wt% Pd loaded BFO exhibited the maximum dye degradation efficiency of 51%. The results of this study demonstrate the developed perovskites have a significant potential for the use in dual applications such as acetone gas sensor and MG photocatalysis.</p>
10aAcetone sensor10aBismuth ferrite10aPalladium loading10aPhoto dye -degradation1 aGhadage, Pandurang1 aKodam, Pavan1 aNadargi, Digambar1 aPatil, Suraj1 aTamboli, Mohaseen1 aBhandari, Nagesh1 aMulla, Imtiaz1 aPark, Chinho1 aSuryavanshi, Sharad  uhttps://library.ncl.res.in/content/pd-loaded-bismuth-ferrite-versatile-perovskite-dual-applications-acetone-gas-sensor-and02038nas a2200241   4500008004100000245008300041210006900124260000900193300001400202490000700216520124800223100002301471700001901494700002201513700001901535700001801554700002501572700001801597700002601615700001701641700002401658856011401682       2024                        eng d00aBismuth ferrite based acetone gas sensor: evaluation of graphene oxide loading0 aBismuth ferrite based acetone gas sensor evaluation of graphene   cJAN   a1367-13760 v143 a<p>
	We report a BiFeO3/graphene oxide (BFO/GO) perovskite, synthesized using a CTAB-functionalized glycine combustion route, as a potential material for acetone gas sensing applications. The physicochemical properties of the developed perovskite were analysed using XRD, FE-SEM, TEM, HRTEM, EDAX and XPS. The gas sensing performance was analysed for various test gases, including ethanol, acetone, propanol, ammonia, nitric acid, hydrogen sulphide and trimethylamine at a concentration of 500 ppm. Among the test gases, the developed BFO showed the best selectivity towards acetone, with a response of 61% at an operating temperature of 250 degrees C. All the GO-loaded BFO samples showed an improved gas sensing performance compared with pristine BFO in terms of sensitivity, the response/recovery times, the transient response curves and the stability. The 1 wt% GO-loaded BiFeO3 sensor showed the highest sensitivity of 89% towards acetone (500 ppm) at an operating temperature of 250 degrees C. These results show that the developed perovskites have significant potential for use in acetone gas sensing applications. CTAB-functionalized glycine combustion yields BiFeO3/graphene oxide (BFO/GO) perovskite for acetone gas detection.</p>
1 aGhadage, Pandurang1 aShinde, K., P.1 aNadargi, Digambar1 aNadargi, Jyoti1 aShaikh, Hamid1 aAlam, Mohammad, Asif1 aMulla, Imtiaz1 aTamboli, Mohaseen, S.1 aPark, J., S.1 aSuryavanshi, Sharad  uhttps://library.ncl.res.in/content/bismuth-ferrite-based-acetone-gas-sensor-evaluation-graphene-oxide-loading