What is the permittivity of PTB7:PCBM?

31 December 2016 5,572 3 View

What are the latest developments in IOT architectures?

Hi, I was wondering if someone can help point to a review paper on the latest developments in the field of IOT architectures?

07 August 2016 7,106 0 View

What is the current relevance of koster's model(2005) for modeling organic solar cells?

Hi, I am using Koster's model to simulate the I-V curves of irregular organic solar cells. Is the model still relevant today? Can somebody please suggest literature discussing...

01 February 2015 6,205 1 View

What is the difference between a solar cell and a photodiode, in operation and as well as in construction??

What is the difference between a solar cell and a photodiode, in operation and as well as in construction?

09 October 2014 6,304 6 View

What is your opinion on the Keithley 2450 /2400 source measure units for DC I-V measurements of solar cells/diodes/FETs?

DC IV measurements - request for opinions.

31 December 2013 3,415 2 View

Can HF C-V measurements be performed at frequencies lower than 1 MHz? If yes, what are the conditions/frequencies at which it is possible?

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31 December 2013 9,495 4 View

What are the parameters to be measured for assessment of potability of water?

What are the parameters to be measured (in lab or on site) in order to assess if the water is fit for drinking in the Indian sub-continent?

09 October 2013 7,595 10 View

I-V measurement of a solar cell?

When I-V measurements are performed on a solar cell, usually the light is illuminated and electrical excitation(voltage) is also applied. However, when deployed on the field, solar cells are...

09 October 2013 9,688 12 View

Spin coater specifications - can anyone help?

If I were to build a spin coater for coating organic solar cells, what are the desirable specifications with regard to speeds and acceleration values for obtaining good coatings?

09 October 2013 5,186 8 View

How can one calculate the complex refractive index as a function of frequency for PCPDTBT?

I am simulating bulk heterojunction solar cells using silvaco atlas and require the complex refractive index of PCPDTBT as an input to the tool. However, there is no information available in...

08 September 2013 4,096 0 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View