Journal: Nanoscale Research Letters

Article Title: Selective Growth of WSe 2 with Graphene Contacts

doi: 10.1186/s11671-020-3261-y

Figure Lengend Snippet: Controlled growth of the WSe 2 at patterned graphene. a Schematic of the laterally stitched WSe 2 -graphene synthesis. b Raman mapping for the G’ band of the graphene and c AFM image of the patterned growth of the WSe 2 -graphene. d Raman spectra of the E 2g mode (WSe 2 —blue) and the G’ band (graphene—green) in c . Raman mapping of e the E 2g mode of the WSe 2 and f the G’ band of the graphene in the monolayer heterojunction

Article Snippet: Raman spectra and photoluminescence (PL) were obtained by commercial confocal Raman spectroscopy (Micro Raman/PL/TR-PL Spectrometer, Ramaker, Protrustech).

Techniques:

Journal: Nanoscale Research Letters

Article Title: Selective Growth of WSe 2 with Graphene Contacts

doi: 10.1186/s11671-020-3261-y

Figure Lengend Snippet: Temperature-dependent WSe 2 growth with seeding promoter: Optical images, Raman mapping images of the A 1g mode (WSe 2 ) and the G’ band (graphene) of the samples that are synthesized at different temperatures a , b without and c , d with PTAS as seeding promoter

Article Snippet: Raman spectra and photoluminescence (PL) were obtained by commercial confocal Raman spectroscopy (Micro Raman/PL/TR-PL Spectrometer, Ramaker, Protrustech).

Techniques: Synthesized

Journal: Nanoscale Research Letters

Article Title: Selective Growth of WSe 2 with Graphene Contacts

doi: 10.1186/s11671-020-3261-y

Figure Lengend Snippet: TEM characterization of heterojunction of the laterally stitched graphene-WSe 2 . a Low magnification image, b schematic illustrations, c simulated, and d observed HRTEM images of the heterojunction of the graphene-WSe 2 . The right inset shows FFT image of the overlap region of the stacked WSe 2 on graphene, while the left inset displays that of the graphene. Raman mapping of e the E 2g mode of the WSe 2 and f the G’ band of the graphene in the monolayer heterojunction

Article Snippet: Raman spectra and photoluminescence (PL) were obtained by commercial confocal Raman spectroscopy (Micro Raman/PL/TR-PL Spectrometer, Ramaker, Protrustech).

Techniques:

Journal: Nanomaterials

Article Title: N-Doped Graphene with Low Intrinsic Defect Densities via a Solid Source Doping Technique

doi: 10.3390/nano7100302

Figure Lengend Snippet: Raman spectra for pristine graphene and N-doped graphene. ( a ) Raman spectrum and ( b ) G and 2D band positions (derived from the Raman spectra).

Article Snippet: Raman spectra were collected using a RAMaker confocal Raman microscope system (PROTRUSTECH, east district, Tainan, Taiwan, laser excitation photon energy of ~2.62 eV; laser spot-size of ~0.5 μm).

Techniques: Derivative Assay

Journal: Heliyon

Article Title: PDMS samples characterization with variations of synthesis parameters for tunable optics applications

doi: 10.1016/j.heliyon.2019.e03064

Figure Lengend Snippet: Raman spectra of three different PDMS samples.

Article Snippet: Raman spectroscopy tests were performed to the PDMS samples, a Raman spectrometer from Ocean Optics was used with a 785 nm wavelength laser as an excitation source and a two-fiber test probe (one for collection and the other for illumination of 200 and 90 μm respectively).

Techniques: