Are graphene, reduced graphene oxide, carbon nano tubes organic or inorganic?

Are the following graphite/carbon based materials organic or inorganic? For example 1. Graphene, 2. Graphene Oxide 3. Reduced graphene oxide 4. Graphene quanutm dots (doped/undoped) 5. Carbon...

01 February 2019 6,709 7 View

How to prepare slurry of silicon nanoparticles anode for Li-ion battery?

I want to prepare, anode for Li-ion battery using silicon nano particles and nanocomposite with graphene. Which solvent, binder, and conducting materials should be used for good performance? What...

11 December 2018 8,991 3 View

Which is suitable initiator for N-doped quantum dots in PDMS matrix?

When I disperse N-doped quantum dots (NGQDs) in to PDMS matrix, it's not solidify even annealing at 350C. I'm trying to find some initiator which can be helpful to solidify the NGQDs/PDMS composite.

11 December 2018 2,025 7 View

Why open circuit voltage is increased with reducing the grain size of perovskite solar cells?

Generally, in inorganic solar cell (eg, Si), if number of grains increases, the open circuit voltage decreases due to increase in the recombination losses of charge carries at grain boundaries....

08 September 2018 6,330 4 View

What type of cross-linker is suitable for N doped graphene quantum dots and PDMS?

I have to use nano pattered PDMS with N-doped graphene quantum dots (NGQDs). Sylgard 184 with NGQDs is not working not drying even up to heating at 350C. Kindly, suggest some suitable cross-linkers.

07 August 2018 8,874 3 View

What is the best value of excitation wavelength for Time Resolved PL measurement for CH3NH3PbI3?

What is the suitable excitation wavelength for Time Resolved Photoluminescence (TRPL) measurement for perovskite (CH3NH3PbI3)? How to find the emission wavelength at which data should be...

31 December 2017 226 2 View

How to disperse graphene quantum dots in PDMS or PMMA?

07 August 2017 7,690 2 View

How to calculate theoretical specific capacity of graphene?

How to calculate theoretical specific capacity of graphene? Can it reach beyond the theoretical limit using doping or surface modification?

05 June 2017 8,286 0 View

How to calculate the band-gap, absorption and reflectance of any materials?

How to calculate the band-gap, absorption and reflectance of any materials like graphene, doped ZnO, TiO2, ZrO2, NiOx, etc. Which software can be used and how to select the parmeters? If...

05 June 2016 1,171 9 View

How can I calculate thickness of graphene layer using XRD?

10 November 2015 7,731 5 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View