| 000 | 04090nlm1a2200481 4500 | ||
|---|---|---|---|
| 001 | 664257 | ||
| 005 | 20231030041923.0 | ||
| 035 | _a(RuTPU)RU\TPU\network\35441 | ||
| 090 | _a664257 | ||
| 100 | _a20210405a2019 k y0engy50 ba | ||
| 101 | 0 | _aeng | |
| 102 | _aGB | ||
| 135 | _adrcn ---uucaa | ||
| 181 | 0 | _ai | |
| 182 | 0 | _ab | |
| 200 | 1 |
_aFlexible plasmonic graphene oxide/heterostructures for dual-channel detection _fV. Prakash, R. D. Rodriguez (Rodriges) Contreras, A. Al-Hamry [et al.] |
|
| 203 |
_aText _celectronic |
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| 300 | _aTitle screen | ||
| 320 | _a[References: 53 tit.] | ||
| 330 | _aGraphene oxide (GO) films are deposited on flexible Kapton substrates and selectively modified to conductive reduced graphene oxide (rGO) electrodes using laser patterning. Based on this, we design, fabricate, and test a flexible sensor integrating laser-reduced GO with silver plasmonic nanostructures. The fabricated device results in dual transduction channels: for electrochemical and plasmonic nanostructure-based surface-enhanced Raman spectroscopy (SERS) detection. The spectroscopic analysis verifying the formation of rGO and the modification by silver nanostructures is performed by Raman, energy dispersive X-ray (EDX), and X-ray photoelectron spectroscopy (XPS). The morphological investigation is followed by optical and scanning electron microscopy imaging. In addition to pristine silver nanostructures, the Raman spectroscopy results show the formation of species such as Ag2O, Ag2CO3, and Ag2SOx. A dual-channel sensor device based on electrochemical and plasmonic detection is fabricated as a demonstration of our Ag–rGO flexible concept architecture. The dual-channel device performance is successfully demonstrated in the electrochemical and SERS detection of 4-nitrobenzenethiol (4-NBT) using the same device. Our results show that without Ag nanostructures the sensitivity in the electrochemical and optical channels is not sufficient to detect 4-NBT. The performance and stability of the silver modified device are also verified. This work demonstrates an inexpensive, highly efficient, and greener way that is compatible with solution-processing technology for the production of flexible GO-based electrochemical and SERS detection devices integrated with plasmonic nanostructures. | ||
| 333 | _aРежим доступа: по договору с организацией-держателем ресурса | ||
| 461 | _tAnalyst | ||
| 463 |
_tVol. 144, iss. 10 _v[P. 3297-3306] _d2019 |
||
| 610 | 1 | _aэлектронный ресурс | |
| 610 | 1 | _aтруды учёных ТПУ | |
| 701 | 1 |
_aPrakash _bV. _gVarnika |
|
| 701 | 1 |
_aRodriguez (Rodriges) Contreras _bR. D. _cVenezuelan physicist, doctor of science _cProfessor of Tomsk Polytechnic University _f1982- _gRaul David _2stltpush _3(RuTPU)RU\TPU\pers\39942 |
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| 701 | 1 |
_aAl-Hamry _bA. _gAmmar |
|
| 701 | 1 |
_aLipovka _bA. A. _cspecialist in the field of organization of higher vocational education _cengineer of Tomsk Polytechnic University _f1993- _gAnna Anatolyevna _2stltpush _3(RuTPU)RU\TPU\pers\44078 |
|
| 701 | 1 |
_aDorozhko _bE. V. _cchemist _cEngineer of Tomsk Polytechnic University _f1979- _gElena Vladimirovna _2stltpush _3(RuTPU)RU\TPU\pers\32174 |
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| 701 | 1 |
_aSelyshchev _bO. _gOleksandr |
|
| 701 | 0 | _aMa Bing | |
| 701 | 1 |
_aSharma _bS. _gShweta |
|
| 701 | 1 |
_aMehta _bS. K. _gSurinder Kumar |
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| 701 | 1 |
_aDzhagan _bV. _gVolodymyr |
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| 701 | 1 |
_aMukherjee _bA. _gAshutosh |
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| 701 | 1 |
_aZahn Dietrich _bR. T. |
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| 701 | 1 |
_aKanoun _bO. _gOlfa |
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| 701 | 1 |
_aSheremet _bE. S. _cphysicist _cProfessor of Tomsk Polytechnic University _f1988- _gEvgeniya Sergeevna _2stltpush _3(RuTPU)RU\TPU\pers\40027 |
|
| 712 | 0 | 2 |
_aНациональный исследовательский Томский политехнический университет _bИсследовательская школа физики высокоэнергетических процессов _c(2017- ) _h8118 _2stltpush _3(RuTPU)RU\TPU\col\23551 |
| 801 | 2 |
_aRU _b63413507 _c20210405 _gRCR |
|
| 856 | 4 | _uhttps://doi.org/10.1039/C8AN02495B | |
| 942 | _cCF | ||