PMID- 28802194
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20180606
LR  - 20180606
IS  - 1095-7103 (Electronic)
IS  - 0021-9797 (Linking)
VI  - 507
DP  - 2017 Dec 1
TI  - Direct laser writing of micro-supercapacitors on thick graphite oxide films and 
      their electrochemical properties in different liquid inorganic electrolytes.
PG  - 271-278
LID - S0021-9797(17)30890-1 [pii]
LID - 10.1016/j.jcis.2017.08.005 [doi]
AB  - In this article we demonstrate a simple approach to fabricate interdigitated 
      in-plane electrodes for flexible micro-supercapacitors (MSCs). A nanosecond 
      ultraviolet laser treatment is used to reduce and pattern the electrodes on thick 
      graphite oxide (GO) freestanding films. These laser-treated regions obtained by 
      direct writing provide the conducting channels for electrons in the capacitors. 
      The electrochemical performance of the MSCs was evaluated in the presence of two 
      different electrolytes and they exhibit characteristics of nearly electrical 
      double layer capacitors. The MSCs have areal capacitances as 2.40, 2.23 and 
      1.62muF/cm(2) for NaOH, Na(2)SO(4) and KCl electrolytes respectively, for 
      measurements performed at the scan rate of 50mV/s. They retain  approximately 93.1% of their 
      initial capacitances after 3500 cycles (scan rate=80mV/s) in NaOH electrolyte. 
      The proposed laser treatment approach enables facile and fast fabrication of 
      flexible MSCs without the need for tedious processing methods such as 
      photolithographic micro-patterning and deposition of porous carbon or metallic 
      current collectors.
CI  - Copyright (c) 2017 Elsevier Inc. All rights reserved.
FAU - Kumar, Rajesh
AU  - Kumar R
AD  - Centre for Semiconductor Components and Nanotechnology (CCS Nano), University of 
      Campinas (UNICAMP), Campinas 13083-870, Brazil. Electronic address: 
      rajeshbhu1@gmail.com.
FAU - Joanni, Ednan
AU  - Joanni E
AD  - Centre for Information Technology Renato Archer (CTI), Campinas 13069-901, 
      Brazil.
FAU - Singh, Rajesh K
AU  - Singh RK
AD  - School of Physical and Material Sciences, Central University of Himanchal Pradesh 
      (CUHP), Kangra, Dharamshala HP-176215, India.
FAU - da Silva, Everson T S G
AU  - da Silva ETSG
AD  - Department of Analytical Chemistry, Institute of Chemistry, University of 
      Campinas, (UNICAMP), Campinas 13084-971, Brazil.
FAU - Savu, Raluca
AU  - Savu R
AD  - Centre for Semiconductor Components and Nanotechnology (CCS Nano), University of 
      Campinas (UNICAMP), Campinas 13083-870, Brazil.
FAU - Kubota, Lauro T
AU  - Kubota LT
AD  - Department of Analytical Chemistry, Institute of Chemistry, University of 
      Campinas, (UNICAMP), Campinas 13084-971, Brazil.
FAU - Moshkalev, Stanislav A
AU  - Moshkalev SA
AD  - Centre for Semiconductor Components and Nanotechnology (CCS Nano), University of 
      Campinas (UNICAMP), Campinas 13083-870, Brazil. Electronic address: 
      stanisla@unicamp.br.
LA  - eng
PT  - Journal Article
DEP - 20170803
PL  - United States
TA  - J Colloid Interface Sci
JT  - Journal of colloid and interface science
JID - 0043125
OTO - NOTNLM
OT  - Areal capacitance
OT  - Defect
OT  - Graphite oxide
OT  - Interdigitated electrode
OT  - Laser
OT  - Micro-supercapacitor
OT  - Reduction
EDAT- 2017/08/13 06:00
MHDA- 2017/08/13 06:01
CRDT- 2017/08/13 06:00
PHST- 2017/06/11 00:00 [received]
PHST- 2017/07/29 00:00 [revised]
PHST- 2017/08/02 00:00 [accepted]
PHST- 2017/08/13 06:00 [pubmed]
PHST- 2017/08/13 06:01 [medline]
PHST- 2017/08/13 06:00 [entrez]
AID - S0021-9797(17)30890-1 [pii]
AID - 10.1016/j.jcis.2017.08.005 [doi]
PST - ppublish
SO  - J Colloid Interface Sci. 2017 Dec 1;507:271-278. doi: 10.1016/j.jcis.2017.08.005. 
      Epub 2017 Aug 3.