Universität zu Köln

Jawad, Muhammad, Khan, Abdul Faheem, Waseem, Amir, Kamboh, Afzal Hussain, Mohsin, Muhammad, Shahzad, Sohail Anjum, Shah, Sajid Hussain, Mathur, Sanjay and Shaikh, Ahson Jabbar (2020). Effect of gold nanoparticles on transmittance and conductance of graphene oxide thin films and efficiency of perovskite solar cells. Appl. Nanosci., 10 (2). S. 485 - 498. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 2190-5517

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Abstract

The structural and optoelectronic properties of graphene oxide (GO) bulk material were studied, and conductance and transmittance of GO thin films in absence and presence of AuNPs were optimized for further applications. GO with 0.25 mg/mL and AuNPs (0.5 mL) on GO thin films (0.25 mg/mL) were observed to have highest transmittance of 75% and 72%, respectively, and highest conductance of 7.9x10(3) S and 8.2x10(3) S, respectively. Further, these thin films were utilized as a hole transport layer (HTL) for a prototype inverted perovskite solar cell structure. GO and AuNPs/GO deposited on FTO glass show efficiency of 1.35% and 1.25%, respectively. This decrease in efficiency is associated with the deteriorated crystalline structure of perovskite in the presence of AuNPs and similar HOMO level of AuNPs as of GO, which competes hole transfer.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Jawad, Muhammad UNSPECIFIED UNSPECIFIED UNSPECIFIED Khan, Abdul Faheem UNSPECIFIED UNSPECIFIED UNSPECIFIED Waseem, Amir UNSPECIFIED UNSPECIFIED UNSPECIFIED Kamboh, Afzal Hussain UNSPECIFIED UNSPECIFIED UNSPECIFIED Mohsin, Muhammad UNSPECIFIED UNSPECIFIED UNSPECIFIED Shahzad, Sohail Anjum UNSPECIFIED UNSPECIFIED UNSPECIFIED Shah, Sajid Hussain UNSPECIFIED UNSPECIFIED UNSPECIFIED Mathur, Sanjay UNSPECIFIED UNSPECIFIED UNSPECIFIED Shaikh, Ahson Jabbar UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-346283
DOI:	10.1007/s13204-019-01134-x
Journal or Publication Title:	Appl. Nanosci.
Volume:	10
Number:	2
Page Range:	S. 485 - 498
Date:	2020
Publisher:	SPRINGER HEIDELBERG
Place of Publication:	HEIDELBERG
ISSN:	2190-5517
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Inorganic Chemistry
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language HOLE TRANSPORT LAYER; AU NANOPARTICLES; HIGHLY EFFICIENT; SIZE; PERFORMANCE; DERIVATIVES; AG Multiple languages Nanoscience & Nanotechnology Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/34628