PMID- 32126200
OWN - NLM
STAT- MEDLINE
DCOM- 20210210
LR  - 20210210
IS  - 1879-0003 (Electronic)
IS  - 0141-8130 (Linking)
VI  - 153
DP  - 2020 Jun 15
TI  - Chitosan‑zinc sulfide nanoparticles, characterization and their photocatalytic 
      degradation efficiency for azo dyes.
PG  - 502-512
LID - S0141-8130(20)30168-9 [pii]
LID - 10.1016/j.ijbiomac.2020.02.310 [doi]
AB  - Herein, chitosan‑zinc sulfide nanoparticles (CS-ZnS-NPs) were developed as an 
      efficient photocatalyst for the degradation of toxic dyes. The as-synthesized 
      CS-ZnS-NPs were analyzed using XRD, FTIR, SEM, and EDS. The functional groups of 
      CS-ZnS-NPs were validated with FTIR spectroscopy. The SEM envisaged the average 
      particle size as 40 nm, whereas EDS interpreted the compositional analysis of the 
      nanocomposite. XRD analysis illustrated the crystallinity and hexagonal crystal 
      structure of the CS-ZnS-NPs. The photocatalytic efficiency of CS-ZnS-NPs was 
      evaluated using two carcinogenic azo dyes, Acid Brown 98 and Acid Black 234. A UV 
      lamp (254 nm) was used as an irradiation source during the photocatalytic 
      degradation of dyes. At the optimum conditions, the synthesized CS-ZnS-NPs showed 
      96.7% degradation for Acid Black 234 in 100 min and 92.6% for Acid Brown 98 in 
      165 min. The degradation phenomena followed pseudo-first-order kinetics. The 
      values of rate constant (k) were 0.01464 and 0.04096 min(-1) with correlation 
      coefficient (R(2)) of 0.98891 and 0.99406 for Acid Brown 98 and Acid Black 234, 
      respectively. The CS-ZnS-NPs were easily recovered and recycled for four 
      successive batches. The results showed that CS-ZnS-NPs are considered as highly 
      productive, cost-effective and promising photocatalyst in degrading pollutants in 
      several consecutive cycles.
CI  - Copyright (c) 2020 Elsevier B.V. All rights reserved.
FAU - Aziz, Aisha
AU  - Aziz A
AD  - Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu 
      Province, National & Local Joint Engineering Research Center for Deep Utilization 
      Technology of Rock-salt Resource, Faculty of Chemical Engineering, Huaiyin 
      Institute of Technology, Huaian 223003, China; Institute of Chemical Sciences, 
      University of Peshawar, Khyber Pakhtunkhwa 25120, Pakistan.
FAU - Ali, Nisar
AU  - Ali N
AD  - Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu 
      Province, National & Local Joint Engineering Research Center for Deep Utilization 
      Technology of Rock-salt Resource, Faculty of Chemical Engineering, Huaiyin 
      Institute of Technology, Huaian 223003, China. Electronic address: 
      nisarali@hyit.edu.cn.
FAU - Khan, Adnan
AU  - Khan A
AD  - Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa 25120, 
      Pakistan.
FAU - Bilal, Muhammad
AU  - Bilal M
AD  - School of Life Science and Food Engineering, Huaiyin Institute of Technology, 
      Huaian 223003, China. Electronic address: bilaluaf@hotmail.com.
FAU - Malik, Sumeet
AU  - Malik S
AD  - Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa 25120, 
      Pakistan.
FAU - Ali, Nauman
AU  - Ali N
AD  - Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa 25120, 
      Pakistan.
FAU - Khan, Hamayun
AU  - Khan H
AD  - Department of Chemistry, Islamia College University, Peshawar 25120, Pakistan.
LA  - eng
PT  - Journal Article
DEP - 20200229
PL  - Netherlands
TA  - Int J Biol Macromol
JT  - International journal of biological macromolecules
JID - 7909578
RN  - 0 (Azo Compounds)
RN  - 0 (Sulfides)
RN  - 0 (Water Pollutants, Chemical)
RN  - 0 (Zinc Compounds)
RN  - 9012-76-4 (Chitosan)
RN  - KPS085631O (zinc sulfide)
SB  - IM
MH  - Azo Compounds/*chemistry
MH  - Catalysis
MH  - Chitosan/*chemistry
MH  - Nanocomposites/*chemistry
MH  - *Photochemical Processes
MH  - Sulfides/*chemistry
MH  - Water Pollutants, Chemical/*chemistry
MH  - Zinc Compounds/*chemistry
OTO - NOTNLM
OT  - Acid Brown 98
OT  - Acid black 234
OT  - Characterization
OT  - Chitosan‑zinc sulfide nanoparticles
OT  - Dyes degradation
OT  - Environmental pollution
OT  - Photocatalysis
COIS- Declaration of competing interest The authors report no conflict of interest in 
      any capacity, i.e., competing or financial.
EDAT- 2020/03/04 06:00
MHDA- 2021/02/11 06:00
CRDT- 2020/03/04 06:00
PHST- 2020/01/06 00:00 [received]
PHST- 2020/02/22 00:00 [revised]
PHST- 2020/02/26 00:00 [accepted]
PHST- 2020/03/04 06:00 [pubmed]
PHST- 2021/02/11 06:00 [medline]
PHST- 2020/03/04 06:00 [entrez]
AID - S0141-8130(20)30168-9 [pii]
AID - 10.1016/j.ijbiomac.2020.02.310 [doi]
PST - ppublish
SO  - Int J Biol Macromol. 2020 Jun 15;153:502-512. doi: 
      10.1016/j.ijbiomac.2020.02.310. Epub 2020 Feb 29.