Mater Lett 2012, 68:475–477.CrossRef 35. Zhang D, Zhang X, Chen Y, Wang C, Ma Y: An environment-friendly route to synthesize

reduced graphene oxide as a supercapacitor electrode material. Electrochim Acta 2012, 69:364–370.CrossRef 36. Mhamane D, Unni SM, Suryawanshi A, Game O, Rode C, Hannoyer B, Kurungot S, Ogale S: Trigol based reduction of graphite oxide to graphene with enhanced charge storage activity. J Mater Chem 2012, 22:11140–11145.CrossRef 37. Lei Z, Lu L, Zhao XS: The electrocapacitive properties of graphene oxide reduced by urea. Energy Environ Sci 2012, 5:6391–6399.CrossRef 38. Li ZJ, Yang BC, Zhang SR, Zhao CM: Graphene oxide with improved electrical conductivity for supercapacitor electrodes. Appl Surf Sci 2012, 258:3726–3731.CrossRef SC79 clinical trial Competing interests The authors declare that they have no competing interests. Authors’ contributions MS and SB synthesized and characterized GO. ME and MRM ran experiments of CV and EIS. WJB wrote

the manuscript. All authors read and approved the final manuscript.”
“Background Dielectric-metal-dielectric (DMD) multilayer structures are promising candidates for next-generation flexible transparent electrodes [1–4]. Compared to standard transparent conductive oxides (TCOs), DMD electrodes show enhanced conductivity, higher transmission of visible light, lower temperature process, reduced thickness and, consequently, significant Fludarabine datasheet cost reduction and

improved mechanical flexibility [3, MK-4827 5–8]. For such advantages, DMD electrodes are frequently used in efficient optoelectronic devices including flat screen displays [9, 10], organic light-emitting diodes (OLED) [11, 12] and polymer solar cells (PSC) [13–15]. However, at present, DMD multilayer structures are still far from being implemented on thin film photovoltaic (TFPV) device technology. A crucial aspect is the film patterning process [16]. In the commercial production of hydrogenated amorphous silicon (α-Si:H), cadmium telluride (CdTe) and CB-5083 supplier copper indium gallium di-selenide (CIGS) solar panels, the patterning method is accomplished by three laser scribing processes, also reported as P1, P2 and P3 [17]. These three steps allow the division of metre-sized solar panels into an array of smaller series interconnected cells [18, 19], as illustrated in Figure 1. Specifically, the P1 scribe, with a laser wavelength of 1,064 nm, is used to segment the conductive coating on the glass into adjacent, electrically isolated stripes via ablation of the TCO layer. The P2 and P3 scribes, performed at 532 nm, cut the semiconductor layer and the rear electrode, respectively, via micro-explosions. So far, P1 laser scribing requires relatively high laser fluences and multipulse irradiation due to the optical transparency and mechanical hardness of the thick TCO (typically 0.