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   Technology and Product Development

    Basic Information

Technology developed: Perovskite Thin-film Solar Cells (TP19764905946)
Category: Technology Service/Know how
Details of Inventor(s):
Inventor Institution/Organization/Company Department Designation
Sushobhan Avasthi Indian Institute of Science CeNSE Associate Professor
Technical Application Area: Electronics & Semiconductors
If 'Other', please specify:
Thin film solar cells
Please give more details of new technical application area:
Most thin film solar cells are inefficient This is why the dominant technology on the market is wafer based silicon PV However thin-film solar cells have several functional advantages that are worth exploiting if only the efficiency can be made comparable This invention demonstrates perovskite solar cells on that can be as high as 205 efficient over large-area even though they are fabricated on cheap plastic glass or steel substrates
Organization(s):
Indian Institute of Science (IISc) Bengaluru
Affiliated Ministry: SERB, DST, Govt. of India
Type of technology development: Indigenous
Does the technology help in replacing any import items currently
procured from outside India?
Yes
Does the technology have export potential? Yes
Category of Technology developed: Futuristic
Stage of Development: Prototype Level
Please describe in detail including the TRL Level:
4

    Abstract:

Applications: Thin films solar cells Si perovskite tandem solar cells Flexible solar cells Building integrated solar cells
Advantages: Higher efficiency than any thin film solar technology. Improvement in current Si technology through the use of Tandem structure Flexible Upto 30 40 per lower cost than silicon PV

    Technology Inputs:

Imported Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
Glove box 2015-16
Indigenous Equipment/Spare Parts:
Equipment/Spare Parts Year ITC-HS Code
Slot-die coater 2020-21
Spray coater 2020-21
Imported Raw Materials:
Raw Materials Year ITC-HS Code
Precursor chemicals 2015-16
Indigenous Raw Materials:
Raw Materials Year ITC-HS Code
ITO coated glass substrate 2015-16
Existing R&D Facilities used:
Facilities Year ITC-HS Code
NNfC in CeNSE, IISc NA
Heterojunction lab, CeNSE, IISc NA

   Patents & Publications:

Patents:
Filed Patents (No.) Granted Patents (No.) Year
0 0 NA
Publications:
Submitted (No.) Published (No.) Year
2 9 2015-16

    Commercialization Potential:

Who are the Potential Licensees? Tata Solar BHEL BEL Adani Solar
What commercially available products address
the same problem?
Company Product Problem Addressed
Would you like to develop this invention further with
corporate research support?
Yes
Would you be interested in participating in cluster based
programs for commercialization research or business
planning for your invention?
Yes
      Submitted by: Prof KVS Hari Date of Submission: 26-11-2020



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